Salmonella Framework for Raw Poultry Products, 64678-64748 [2024-16963]
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Federal Register / Vol. 89, No. 152 / Wednesday, August 7, 2024 / Proposed Rules
DEPARTMENT OF AGRICULTURE
Food Safety and Inspection Service
9 CFR Part 381
[Docket No. FSIS–2023–0028]
RIN 0583–AD96
Salmonella Framework for Raw Poultry
Products
Food Safety and Inspection
Service (FSIS), U.S. Department of
Agriculture (USDA).
ACTION: Proposed rule and Proposed
Determination.
AGENCY:
FSIS is announcing its
proposed determination that raw
chicken carcasses, chicken parts,
comminuted chicken, and comminuted
turkey products contaminated with
certain Salmonella levels and serotypes
are adulterated within the meaning of
the Poultry Products Inspection Act
(PPIA). The proposed determination
would establish final product standards
based on these Salmonella levels and
serotypes and would prevent raw
chicken carcasses, chicken parts,
comminuted chicken, and comminuted
turkey products that contain Salmonella
at the levels and serotypes that would
render them adulterated from entering
commerce. FSIS is also proposing to
revise the regulations that require that
all poultry slaughter establishments
develop, implement, and maintain
written procedures to prevent
contamination by enteric pathogens
throughout the entire slaughter and
dressing operation to clarify that these
procedures must include a microbial
monitoring program (MMP) that
incorporates statistical process control
(SPC) monitoring methods, to require
sampling at rehang instead of pre-chill,
and to require that all establishments
conduct paired sampling at rehang and
post-chill.
DATES: Comments on this proposal must
be received on or before October 7,
2024.
ADDRESSES: FSIS invites interested
persons to submit comments on this
document. Comments may be submitted
by one of the following methods:
• Federal eRulemaking Portal: This
website provides the ability to type
short comments directly into the
comment field on this web page or
attach a file for lengthier comments. Go
to: https://www.regulations.gov. Follow
the on-line instructions at that site for
submitting comments.
• Mail: Send to Docket Clerk, U.S.
Department of Agriculture, Food Safety
and Inspection Service, 1400
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SUMMARY:
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Independence Avenue SW, Mailstop
3758, Washington, DC 20250–3700.
• Hand- or courier-delivered
submittals: Deliver to 1400
Independence Avenue SW, Jamie L.
Whitten Building, Room 350–E,
Washington, DC 20250–3700.
Instructions: All items submitted by
mail or electronic mail must include the
Agency name and docket number FSIS–
2023–0028. Comments received in
response to this docket will be made
available for public inspection and
posted without change, including any
personal information, to https://
www.regulations.gov.
Docket: Go to the Federal
eRulemaking Portal at https://
www.regulations.gov for access to the
rulemaking docket, including any
background documents and the plainlanguage summary of the proposed rule
of not more than 100 words in length
required by the Providing
Accountability Through Transparency
Act of 2023. For in-person access to
background documents or comments
received, call (202) 720–5046 to
schedule a time to visit the FSIS Docket
Room at 1400 Independence Avenue
SW, Washington, DC 20250–3700.
FOR FURTHER INFORMATION CONTACT:
Rachel Edelstein, Assistant
Administrator, Office of Policy and
Program Development, FSIS, USDA;
Telephone: (202) 205–0495.
SUPPLEMENTARY INFORMATION:
Executive Summary
FSIS is responsible for verifying that
the nation’s commercial supply of meat,
poultry, and egg products is safe,
wholesome, and properly labeled. In
support of this mission, FSIS
established a Salmonella verification
testing program in 1996 as part of the
‘‘Pathogen Reduction; Hazard Analysis
and Critical Control Point Systems’’
(PR/HACCP) final rule (61 FR 38805).
Among other things, the PR/HACCP
final rule established Salmonella
pathogen reduction performance
standards for raw product to allow FSIS
to verify whether establishments have
effective process controls to address
Salmonella. The current performance
standards for young chicken and turkey
carcasses, raw chicken parts, and
comminuted chicken and turkey
products are represented as a fraction of
the maximum number of allowable
Salmonella-positive results over a
targeted number of samples collected
and analyzed in a 52-week moving
window. FSIS categorizes
establishments based on the Salmonella
verification sampling results and posts
the performance categorization of all
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establishments subject to the
performance standards on the FSIS
website. FSIS uses Salmonella
performance standard categorization as
a basis to prioritize in-depth evaluations
of failing establishments’ food safety
systems, including their HACCP plan
and sanitation Standard Operating
Procedures (SOPs).
While the results of FSIS’ Salmonella
verification sampling show that the
current prevalence-based performance
standards approach has been effective in
reducing the proportion of poultry
products contaminated with
Salmonella, these measures have yet to
have an observable impact on human
illness rates. The estimated rate of
human Salmonella infections from all
sources has remained consistent over
the last two decades, with over 1.3
million illnesses estimated in the
United States each year. Additionally,
while current Salmonella performance
standards are designed to achieve the
Department of Health and Human
Services’ Healthy People Initiative 1
targets for foodborne illness reduction,
the 2010 and 2020 Healthy People
targets for a reduction in Salmonella
infections from all sources were not
met. The Healthy People 2030 target is
to reduce Salmonella infections from all
sources to a national case rate of no
more than 11.5 per 100,000 consumers
per year. To reach this 2030 target,
Salmonella illnesses must be reduced
by 25 percent.
Poultry is among the leading sources
of Salmonella foodborne illness
acquired domestically in the United
States.2 Therefore, on October 19, 2021,
FSIS announced that it was mobilizing
a stronger, and more comprehensive
effort to reduce Salmonella illnesses
associated with poultry products. In the
1 Launched by the U.S. Department of Health and
Human Services (HHS) in 1980, the Healthy People
Initiative sets out to create widely accessible plans
to help organizations, communities and individuals
improve public health. Each decade, HHS releases
new goals after evaluating the successes and areas
of growth from the previous ten years. They
monitor the progress toward Healthy People’s
objectives using high-quality data and feedback.,
the HHS benchmark continues to focus on reducing
poultry-based Salmonella infections by 25 percent,
a goal that has not been reached over the last
decade. The Healthy People 2030 objectives were
released on August 18, 2020.
2 Interagency Food Safety Analytics Collaboration
(FSAC). Foodborne illness source attribution
estimates for 2020 for Salmonella, Escherichia coli
O157, and Listeria monocytogenes using multi-year
outbreak surveillance data, United States. GA and
DC: U.S. Department of Health and Human
Services, Centers for Disease Control and
Prevention, Food and Drug Administration, U.S.
Department of Agriculture’s Food Safety and
Inspection Service. 2022. Available at: https://
www.cdc.gov/ifsac/php/annual-reports/?CDC_
AAref_Val=https://www.cdc.gov/foodsafety/ifsac/
annual-reports.html.
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announcement, FSIS stated that it had
initiated several activities designed to
gather data and information to inform
and support future actions related to
this new effort. FSIS charged the
National Committee on Microbiological
Criteria for Food (NACMCF) to provide
guidance on the types of microbiological
criteria the Agency might use to better
prevent Salmonella infections
associated with poultry products. The
Agency also conducted a risk profile for
pathogenic Salmonella subtypes in
poultry and developed two quantitative
risk assessments —one for Salmonella
in chicken and one for Salmonella in
turkey. Additionally, FSIS conducted an
exploratory sampling program for young
chicken carcasses to generate microbial
data to help inform future policies and
added quantification to its Salmonella
testing program.
In addition to initiating these
activities, on October 17, 2022, FSIS
shared with stakeholders a draft
regulatory framework that the Agency
was considering for a new strategy to
control Salmonella in poultry products
and announced that FSIS would be
hosting a virtual public meeting on
November 3, 2022, to discuss the
framework. The three components
under consideration in the draft
framework included:
Component One. Requiring that
establishments characterize Salmonella
as a hazard reasonably likely to occur at
receiving and requiring that incoming
flocks be tested for Salmonella before
entering an establishment.
Component Two. Enhancing
establishment process control
monitoring and FSIS verification.
Component Three. Implementing an
enforceable final product standard that
would define whether certain raw
poultry products contaminated with
certain levels and/or serotypes of
Salmonella are adulterated.
The draft framework under
consideration also addressed crosscutting issues associated with testing for
Salmonella, considerations for small
and very small establishments, and data
sharing. At the November 2022 public
meeting, stakeholders presented oral
comments on the three separate
components of the draft framework and
the cross-cutting issues. Stakeholders
also had an opportunity to submit
written comments to FSIS by December
16, 2022.
After carefully evaluating the written
comments and other stakeholder input
provided on the October 2022 draft
framework, along with new studies and
information that have become available
since the Agency made the October
2022 draft framework available to the
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public, FSIS is proposing a new
regulatory framework targeted at
reducing Salmonella illnesses
associated with poultry products. The
proposed regulatory framework reflects
the draft framework with some
modifications.
First, consistent with Component
Three of the October 2022 draft
framework, FSIS is proposing final
product standards that would define
whether certain raw poultry products
contaminated with certain Salmonella
levels and serotypes are adulterated as
defined in the Poultry Products
Inspection Act (PPIA) (21 U.S.C. 451 et
seq.). Specifically, FSIS has tentatively
determined that raw chicken carcasses,
chicken parts, comminuted chicken,
and comminuted turkey are adulterated
if they contain any type of Salmonella
at or above 10 colony forming units/per
milliliter or gram (10 cfu/mL(g)) in
analytical portion (i.e., mL of rinsate or
gram of product) and contain any
detectable level of at least one of the
Salmonella serotypes of public health
significance identified for that
commodity. The proposed Salmonella
serotypes of public health significance
identified for raw chicken carcasses,
chicken parts, and comminuted chicken
are Enteritidis, Typhimurium, and I
4,[5],12:i:-, and for raw comminuted
turkey are Hadar, Typhimurium, and
Muenchen. These are the most highly
virulent Salmonella serotypes
associated with these products
identified in the FSIS chicken and
turkey risk assessments.
The Salmonella serotypes of public
health significance will likely change
over time as the serotypes commonly
associated with human illnesses change.
FSIS would continue to track annual
targets for reducing the proportion of
poultry samples that contain Salmonella
serotypes of public health significance
as well as data on rates for additional
serotypes commonly associated with
human illness to inform future revisions
to the Salmonella serotypes of public
health significance. Should FSIS
finalize the proposed final product
standards, the Agency intends to further
evaluate and, if necessary, refine these
standards as advances in science and
technology related to pathogen levels,
serotypes, and virulence genes become
available. If FSIS finalizes the proposed
final product standards, the Agency
intends to re-evaluate the serotypes of
public health concern every 3–5 years at
a minimum and whenever new
information on Salmonella serotypes
associated with human illness become
available. When evaluating the
serotypes, FSIS would consider, among
other things, outbreak illness data,
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foodborne illness surveillance data,
product testing data, and animal testing
data. FSIS would publicly announce
any modifications to the final products
standards in the Federal Register. FSIS
requests comments on this proposed
timeline for re-evaluating serotypes of
public health concern.
Should FSIS finalize these proposed
standards, the Agency intends to
conduct a routine sampling and
verification testing program for
Salmonella in chicken carcasses,
chicken parts, comminuted chicken,
and comminuted turkey in which the
Agency would collect samples of raw
final products and analyze them for
Salmonella levels and serotypes to
determine whether the final product is
adulterated. Under the proposed
Salmonella verification testing program,
FSIS intends to only collect and analyze
samples of the final raw poultry
products produced by an establishment,
i.e., chicken carcasses to be shipped in
commerce as whole chickens, chicken
parts to be shipped in commerce as
chicken parts, comminuted chicken to
be shipped in commerce as comminuted
chicken products, and comminuted
turkey to be shipped in commerce as
comminuted turkey products. Under
this proposed determination, chicken
parts subject to the final product
standards would include legs, thighs,
breasts, wings, quarters, and halves.
When FSIS tests a product sample for
adulterants, establishments must
maintain control of products tested for
adulterants to ensure that the products
do not enter commerce while waiting
for receipt of the test results. Thus, if
FSIS finalizes its proposed routine
Salmonella verification testing program
for chicken carcasses, chicken parts,
comminuted chicken, and comminuted
turkey, establishments that produce
these raw products would need to
control and maintain the integrity of the
sampled lot pending the availability of
test results. If test results detect
Salmonella at a level of 10 cfu/mL(g) or
higher and at least one Salmonella
serotype of public health significance,
FSIS would consider products
represented by the sampled lots to be
adulterated and would issue a noncompliance record (NR). Therefore, all
products in the lot represented by the
sample would be prohibited from
entering commerce. If any product from
the lot represented by the product
samples has entered and remains
available in commerce, FSIS would
request that the producing
establishment recall the implicated
products. Depending on the
circumstances, in addition to issuing an
NR, FSIS could take other appropriate
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enforcement action as authorized in 9
CFR part 500 because the establishment
would have produced and shipped
adulterated product. Such actions may
include immediately suspending
inspection or issuing a Notice of
Intended Enforcement (NOIE).
As FSIS implements the final product
standards verification sampling
program, the Agency has tentatively
decided to phase out all current
Salmonella performance standards for
poultry. Thus, when the proposed final
product verification sampling program
is fully implemented, FSIS has
tentatively decided that it would no
longer use Salmonella sampling results
to categorize establishments that
produce poultry products and would no
longer publish these establishments’
performance standards categories on the
FSIS website. The Agency is requesting
comments on this issue.
Consistent with Component Two of
the initial proposed framework, FSIS is
proposing to revise the regulations in 9
CFR 381.65(g) and (h) that require that
all poultry slaughter establishments
develop, implement, and maintain
written procedures to prevent
contamination by enteric pathogens
throughout the entire slaughter and
dressing operation and maintain records
documenting those procedures. FSIS is
proposing to amend these regulations to
establish new requirements pertaining
to how establishments monitor and
document whether their processes for
preventing microbial contamination are
in control. The proposed revisions are
intended to clarify existing regulatory
requirements related to process control
monitoring in 9 CFR 381.65(g) and (h).
Under this proposal, establishments
would be required to incorporate
statistical process control (SPC)
monitoring principles into their
microbial monitoring programs (MMPs).
The proposed revisions would require
that establishments use only validated
and fit for purpose microbial sampling
and analysis procedures, generate and
record statistically meaningful microbial
monitoring data, set benchmarks by
which to evaluate microbial monitoring
data, and otherwise define the statistical
methods the establishment will use to
evaluate the recorded data against the
predefined limits. To offset the costs
associated with this proposal, eligible
very small (VS) and very low volume
(VLV) establishments would have access
to laboratory services provided by FSIS
at no charge to analyze the
establishments’ microbial monitoring
samples for them.
FSIS is further proposing to revise the
regulations to ensure that
establishments comply with the
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corrective action provisions required
under HACCP as they apply to the
establishment’s MMP. FSIS is proposing
to specifically require establishments to,
at a minimum, implement written
corrective actions, including a root
cause assessment, when microbial
monitoring results deviate from the
predefined criteria in the MMP, the
other process control monitoring results,
or the process control determination
made for the entire HACCP system.
FSIS has developed new guidance to
help establishments meet the proposed
updated sampling and analysis
requirements under 9 CFR 381.65(g).
The new guidance includes a SPC
sampling plan based on paired sampling
for Aerobic Count (AC) at the rehang
and post-chill locations, with a onesided process control statistical model
that charts and calculates against
minimum monitoring criteria at the
minimum required frequency.
Establishments that incorporate the
guidance into their MMPs would not be
required to provide FSIS with
additional scientific or technical
information to support their chosen
statistical methods. FSIS also is
proposing to make available to all
poultry slaughter establishments an
electronic spreadsheet file that is preprogrammed to calculate the monitoring
measures for the guidance sampling
plan as results are entered.
In addition, FSIS is proposing to
amend the recordkeeping requirements
under 9 CFR 381.65(h) to require that
establishments submit their microbial
monitoring sampling results to FSIS
electronically. FSIS is developing a web
portal that will allow external partners
to securely upload sampling
information and submit it to FSIS
electronically in a machine-readable
format.3 Should FSIS finalize this
proposal, the Agency would provide a
template that establishments could use
to record and submit their monthly
results. Establishments that use the
template to record the microbial
monitoring results may upload their
completed template into the portal or
they may enter the information
manually into the portal. Establishments
that do not use the template provided by
FSIS to record their results would need
to manually enter microbial sampling
data into the portal to submit the
monthly data.
Under Component One of the October
2022 draft framework, FSIS considered
whether it should require poultry
slaughter establishments to characterize
3 In a format that provides a digital representation
of data or information that can be imported and
read into a computer system for further processing.
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Salmonella as a hazard reasonably
likely to occur at receiving and require
that incoming flocks be tested for
Salmonella before entering an
establishment. This approach would
require the flock to meet a
predetermined target level for
Salmonella at receiving.
FSIS considered the available
scientific research as well as input from
the NACMCF and concluded that, at
this time, the research does not support
the use of a threshold for test results at
the receiving step to reduce or eliminate
Salmonella from raw poultry products.
In addition, FSIS received several
comments from small poultry
processors and producers and trade
associations representing the meat and
poultry industries that expressed
concerns that the measures under
consideration in Component One would
impose an overwhelming burden on
small producers and processors. The
comments also stated that requiring that
establishments determine that
Salmonella is a hazard reasonably likely
to occur at receiving is inconsistent with
HACCP principles. While FSIS has
decided at this time not to establish a
regulatory requirement that
establishments characterize Salmonella
as a hazard reasonably likely to occur at
receiving or that incoming flocks be
tested for Salmonella before entering an
establishment, the Agency is focusing
on a non-regulatory approach for
reducing the Salmonella load on
incoming birds. The Agency intends to
provide updated guidance on preharvest interventions and practices for
preventing or reducing Salmonella
colonization of live birds. The Agency
also will continue to explore and
develop strategies for industry to
address Salmonella contamination risk
at receiving.
Costs and Benefits of the Proposed Rule
and Proposed Determination
FSIS estimates this proposal would
have a net benefit of $4.1 million per
year, ranging from $1.1 million to $6.7
million, assuming the proposed
implementation schedule and
annualizing over 10 years at a 7 percent
discount rate, as discussed below (Table
1). This proposal is estimated to cost
industry $16.4 million per year, ranging
from $3.3 to $32.3 million. The main
cost component in this proposal is the
requirement that establishments subject
to FSIS verification sampling for
adulterants maintain control of sampled
product pending test results. This cost
is likely an overestimate as discussed
below. Industry may also incur costs
associated with HACCP plan
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reassessments and changes to process
control requirements.
FSIS estimates this proposal would
result in benefits to society of $20.5
million per year, ranging from $4.4
million to $39.0 million. The majority of
the benefits are derived from prevented
illnesses of $12.9 million per year,
ranging from $0.3 to $28.7 million. FSIS
also estimated avoided costs from a
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reduction in the risk of outbreak-related
recalls for industry. Additional industry
actions in response to this proposal may
lead to additional benefits.
TABLE 1—SUMMARY OF COSTS AND BENEFITS
Total (million $)
Description
Low
Costs:
Costs associated with the proposed rule:
Statistical Process Control ...................................................................................................
Electronic data submission ...................................................................................................
HACCP plan reassessment ..................................................................................................
Costs associated with the proposed determination:
Maintaining control of sampled product ...............................................................................
Lost value to the industry .....................................................................................................
Microbiological sampling plan reassessment .......................................................................
Medium
High
0.04
0.18
0.09
0.04
0.18
0.18
0.04
0.18
0.26
2.11
0.87
0.02
14.47
1.52
0.04
29.26
2.43
0.08
Total costs .....................................................................................................................
Benefits and Avoided Costs:
Prevented illnesses from consumption of chicken products ................................................
Prevented illnesses from consumption of comminuted turkey ............................................
Prevented outbreak-related recalls ......................................................................................
3.31
16.43
32.25
0.09
0.19
4.16
4.35
8.58
7.56
15.11
13.55
10.34
Total benefits .................................................................................................................
Net benefits ............................................................................................................
4.45
1.14
20.49
4.06
39.00
6.75
Note: All costs and benefits are annualized over 10 years at a 7 percent discount rate. Numbers in table may not sum to totals due to
rounding.
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Table of Contents
I. Background
A. Salmonella in Poultry and Human
Illnesses
1. Salmonella Illnesses Attributed to
Poultry
2. Salmonella Performance Standards for
Poultry
3. Salmonella Performance Standards and
Illnesses
B. Consideration of Need for a New
Framework To Control Salmonella in
Poultry
1. Petitions and Initial Stakeholder Input
2. FSIS Announces New Salmonella Effort
3. Activities Initiated To Support a New
Salmonella Framework
4. Initial Measures Implemented To
Address Salmonella Illnesses Associated
With Consumption of Poultry Products
C. Public Meeting on Salmonella
Framework Under Consideration and
Public Comments
1. Public Meeting and Proposed
Framework
2. Public Comments on the Proposed
Framework
3. Additional Stakeholder Input
4. Overview of Modifications to the
Proposed Salmonella Framework
5. Severability
II. Component Three: Proposed Final Product
Standards
A. Current Salmonella Performance
Standards and Consideration of an
Alternative Approach
B. Pathogens as Adulterants in Raw and
Not-Ready-To Eat Meat and Poultry
Products
C. The Adulteration Standard for Raw
Poultry Products
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1. Pathogen Serogroups or Types
Associated With Human Illness
2. Dose Considerations
3. Severity of Illnesses
4. Consumer Cooking Practices
E. Risk per Serving, Salmonella Levels, and
Proposed Determination
1. Final Product Standards Salmonella
Levels and Risk per Serving
2. Proposed Determination
F. Proposed Policy Implementation
1. HACCP Reassessment
2. Proposed Implementation and Status of
Laboratory Methods
III. Component Two: Enhanced
Establishment Process Control
Monitoring
A. Background and Current Regulatory
Requirements
B. Need To Enhance Establishment Process
Control Monitoring
1. NACMCF Charge and Recommendations
2. PHIS Inspection Data
3. Exploratory Sampling Program Data
4. FSIS Risk Assessments
C. Proposals To Enhance Establishment
Process Control Monitoring
1. SPC Monitoring
2. Microbial Monitoring Organism
3. Sampling Location
4. Sample Collection Monitoring
Frequency
5. Corrective Actions
6. Recordkeeping Requirements
IV. Component One: Pre-Harvest Measures
A. Scientific Support and Public
Comments
B. Possible Approaches To Control
Salmonella at Pre-Harvest
1. National Poultry Improvement Program
2. Vaccination
3. Supply Chain Control Programs
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4. Updated Pre-Harvest Guidance
V. State Programs and Foreign Government
Programs
VI. Executive Orders 12866, as Amended by
14094, and 13563
VII. Regulatory Flexibility Act Assessment
VIII. Paperwork Reduction Act
IX. E-Government Act
X. Executive Order 12988, Civil Justice
Reform
XI. E.O. 13175
XII. USDA Non-Discrimination Statement
XIII. Environmental Impact
XIV. Additional Public Notification
I. Background
A. Salmonella in Poultry and Human
Illnesses
1. Salmonella Illnesses Attributed to
Poultry
Salmonella in poultry is a significant
food safety and public health concern.
The Centers for Disease Control and
Prevention (CDC) estimates that nontyphoidal Salmonella from all sources is
responsible for over 1.3 million
illnesses, 26,500 hospitalized, and 420
deaths each year in the United States.4
From this overall number, FSIS
estimates that there are 125,115
chicken-associated and 42,669 turkeyassociated foodborne Salmonella
illnesses per year. These values are
4 Collier SA, Deng L, Adam EA, et al. Estimate of
Burden and Direct Healthcare Cost of Infectious
Waterborne Disease in the United States. Emerging
Infectious Diseases. 2021;27(1):140–149. https://
doi.org/10.3201%2Feid2701.190676.
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calculated as the product of the total
number of CDC FoodNet cases per year
(7,600),5 the share of these cases that are
foodborne (66 percent) 6 and of domestic
origin (89 percent),7 and the underdiagnosis multiplier for Salmonella
(24.3),8 then dividing by the FoodNet
catchment area (15 percent).9 Finally,
this number is multiplied by the portion
the Interagency Food Safety Analytics
Collaboration (IFSAC) estimates is
attributable to chicken (17.3 percent) or
turkey (5.9 percent).10 Uncertainty
remains in the FSIS estimation of
chicken- and turkey-associated
5 Collins JP, Shah HJ, Weller DL, et al.
Preliminary Incidence and Trends of Infections
Caused by Pathogens Transmitted Commonly
Through Food—Foodborne Diseases Active
Surveillance Network, 10 U.S. Sites, 2016–2021.
MMWR Morb Mortal Wkly Rep 2022;71:1260–1264.
DOI: https://doi.org/10.15585/mmwr.mm7140a2.
Note: the most recent annual FoodNet report was
used for the total estimated FoodNet cases
annually.
6 Beshearse E, Bruce BB, Nane GF, Cooke RM,
Aspinall W, Hald T, et al. Attribution of Illnesses
Transmitted by Food and Water to Comprehensive
Transmission Pathways Using Structured Expert
Judgment, United, States. Emerg Infect Dis.
2021;27(1):182–195. https://doi.org/10.3201/
eid2701.200316. Note: This article represented a
recent appraisal of the foodborne share of all
Salmonella illnesses.
7 Scallan E, Hoekstra RM, Angulo FJ, Tauxe RV,
Widdowson MA, Roy SL, Jones JL, Griffin PM.
Foodborne illness acquired in the United States—
major pathogens. Emerg Infect Dis. 2011
Jan;17(1):7–15. doi: 10.3201/eid1701.p11101. PMID:
21192848; PMCID: PMC3375761. Note: This article
outlines the general approach to estimating the
burden of domestic foodborne illnesses. It provides
an estimate for share of foodborne illnesses
associated with foreign travel (11%) that was
supported in the more recent Collins et al. (2022)
article referenced above.
8 Ebel, E.D., Williams, M.S., & Schlosser, W.D.
(2012). Parametric distributions of underdiagnosis
parameters used to estimate annual burden of
illness for five foodborne pathogens. J Food Prot,
75, 775–778. https://doi.org/10.4315/0362028X.JFP-11-345. Note: This article estimated
parametric distributions for uncertainty about the
under-diagnosis multiplier based on the Scallan et
al. (2011) model assumptions.
9 Scallan et al. (2011).
10 Interagency Food Safety Analytics
Collaboration. Foodborne illness source attribution
estimates for 2020 for Salmonella, Escherichia coli
O157, and Listeria monocytogenes using multi-year
outbreak surveillance data, United States. GA and
DC: U.S. Department of Health and Human
Services, Centers for Disease Control and
Prevention, Food and Drug Administration, U.S.
Department of Agriculture’s Food Safety and
Inspection Service. 2022. Annually, IFSAC releases
a report that estimates foodborne illness source
attribution for major commodity groups, including
Salmonella in poultry products. At the time this
proposal was developed, the 2019 IFSAC
attribution estimates were the most recent data
available. IFSAC released a new annual report in
November 2023, which includes attribution
estimates for 2020. In the 2023 report, IFSAC
estimated that 18.6 percent of Salmonella illnesses
are attributed to chicken products and 5.5 percent
to turkey products, for a total 24.1 percent
attributed to poultry products. FSIS intends to
incorporate the 2023 report attribution estimates if
this rule becomes final.
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foodborne Salmonella illnesses per year.
These illness estimates are subject to the
same limitations encountered with other
illness estimates.11 Nevertheless, FSIS
believes these are the best available
estimates.
Salmonella illnesses associated with
poultry also represent a considerable
economic burden, particularly when
accounting for not just the direct
medical costs, but also productivity
losses, lost life expectancy, chronic
illness, and other associated pain and
suffering. A recent study estimates that
the economic costs of Salmonella
illnesses in the United States associated
with chicken is $2.8 billion annually.12
2. Salmonella Performance Standards
for Poultry
FSIS is responsible for verifying that
the nation’s commercial supply of meat,
poultry, and egg products is safe,
wholesome, and properly labeled. In
support of this mission, FSIS began its
Salmonella verification testing program
with the PR/HACCP final rule,
published on July 25, 1996 (61 FR
38806). Among other things, the PR/
HACCP final rule established
Salmonella pathogen reduction
performance standards for
establishments that slaughter selected
classes of food animals and/or that
produce selected classes of raw ground
products.13 The purpose of the
11 Illness estimates from any risk assessment
model are limited by uncertainty, simply because
they are models. As explained by Food and
Agriculture Organization of the World Health
Organization (FAO/WHO), ‘‘uncertainty is a
property of the methodology and data used.
Assessments with different methodologies and data
will have different levels of uncertainty regarding
their outputs. An understanding of uncertainty is
important because it provides insight into how the
lack of knowledge can affect decisions.’’ See FAO/
WHO Microbiological Risk Assessment Guidance
for Food (MRA 36) at 206. FAO/WHO goes on to
say, ‘‘It is the risk managers’ role to decide if the
uncertainty of a risk assessment output allows for
a decision to be made or not.’’ Id. FSIS fully
explored uncertainty in its risk assessment models
to allow risk managers to make a fully informed
decision. Full details are on pages 116–128 of the
chicken risk assessment and pages 94–99 of the
turkey risk assessment. The code for these analyses
has also been provided.
12 Scharff R.L. Food Attribution and Economic
Cost Estimates for Meat and Poultry-Related
Illnesses. Journal of Food Protection. 2020; 83(6):
959–967.
13 When FSIS initially implemented the
Salmonella performance standards, the regulations
authorized FSIS to suspend inspection if an
establishment failed to take the corrective actions
necessary to comply with the performance
standards, or if an establishment failed to meet the
standards on the third consecutive series of FSISconducted tests for that product. However, the
Agency’s ability to directly enforce the pathogen
reduction performance standards has been limited
since 2001, after a ruling by the U.S. Court of
Appeals for the Fifth Circuit in Supreme Beef
Processors, Inc. v. USDA, 275 F.3d 432 (5th Cir.
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Salmonella performance standards for
raw product is to allow FSIS to verify
whether establishments have effective
process controls to address Salmonella.
Since publishing the PR/HACCP final
rule, FSIS has updated the performance
standards for poultry products through
a series of Federal Register notices.14
FSIS has established Salmonella
performance standards for young
chicken and turkey carcasses, raw
chicken parts, and comminuted chicken
and turkey products. The current
performance standards are expressed as
a fraction of the maximum number of
allowable Salmonella-positive results
over a targeted number of samples
collected and analyzed in a 52-week
moving window (see Table 2). FSIS
categorizes establishments based on the
Salmonella verification sampling results
and posts the categorization of all
establishments subject to the
performance standards on the FSIS
website.15 16 In addition, FSIS schedules
follow-up verification sampling, a
Public Health Risk Evaluation (PHRE),17
2001). In that case, the court enjoined FSIS from
suspending inspection services against a meat
grinding operation for failure to meet the
Salmonella performance standards. Since that time,
FSIS has used Salmonella failures as a basis to
conduct an in-depth evaluation of the
establishment’s food safety systems, including its
HACCP plan and sanitation SOPs.
14 See Salmonella Verification Sample Result
Reporting: Agency Policy and Use in Public Health
Protection (71 FR 9772, Feb 27, 2006); New
Performance Standards for Salmonella and
Campylobacter in Young Chicken and Turkey
Slaughter Establishments: Response to Comments
and Announcement of Implementation Schedule
(76 FR 15282, Mar 21, 2011); New Performance
Standards for Salmonella and Campylobacter in
Not-Ready-to-Eat Comminuted Chicken and Turkey
Products and Raw Chicken Parts and Changes to
Related Agency Verification Procedures: Response
to Comments and Announcement of
Implementation Schedule (81 FR 7285, Feb 11,
2016); Changes to the Salmonella and
Campylobacter Verification Testing Program:
Revised Categorization and Follow-Up Sampling
Procedures (83 FR 56046, Nov 9, 2018).
15 Salmonella Categorization of Individual
Establishments for Poultry Products at: https://
www.fsis.usda.gov/science-data/data-setsvisualizations/microbiology/salmonellaverification-testing-program-monthly.
16 The category definitions under verification
sampling are as follows:
• Category 1: Establishments that have achieved
50 percent or less of the maximum allowable
percent positive during the most recently
completed 52- week moving window;
• Category2: Establishments that meet the
maximum allowable percent positive but have
results greater than 50 percent of the maximum
allowable percent positive during the most recently
completed 52-week moving window; and
• Category 3: Establishments that have exceeded
the maximum allowable percent positive during the
most recently completed 52-week moving window.
17 The PHRE is an analysis of establishment
performance based on ‘‘For-cause’’ and ‘‘Routine
risk-based’’ criteria, FSIS Directive 5100.4 Revision
2—Public Health Risk Evaluation Methodology
(usda.gov).
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and possibly a Food Safety Assessment
(FSA) 18 for establishments that do not
meet the pathogen reduction
performance standards. If, after 90 days,
an establishment has not been able to
regain process control, as determined
from FSIS’ follow-up sampling and from
the results of the PHRE or FSA, and the
establishment has not taken corrective
actions, FSIS may take enforcement
actions, such as by issuing a NOIE or by
suspending inspection, under the
64683
conditions and according to the
procedures described in 9 CFR part 500
(81 FR 7285, 7289). FSIS does not issue
an NOIE or suspend inspection based
solely on the fact that an establishment
did not meet a performance standard.
TABLE 2—SALMONELLA PERFORMANCE STANDARDS FOR POULTRY PRODUCTS
Maximum
acceptable
percent
positive
Performance
standard *
Product
Broiler Carcasses ......................................................................................................
Turkey Carcasses ......................................................................................................
Comminuted Chicken ................................................................................................
Comminuted Turkey ..................................................................................................
Chicken Parts ............................................................................................................
5
4
13
7
8
of
of
of
of
of
51
56
52
52
52
9.8
7.1
25.0
13.5
15.4
Minimum number
of samples to
assess process
control
11
14
10
10
10
* The performance standard is represented as a fraction of the maximum allowable positives over the target number of samples collected and
analyzed in a 52-week window.
The current Salmonella performance
standards are based on risk
assessments 19 and are designed to
achieve the Healthy People targets for
foodborne illness reduction. When FSIS
implemented the performance
standards, the Agency expected that
there would be an observed reduction in
Salmonella illnesses rates because a
smaller proportion of certain raw
poultry products would likely be
contaminated with Salmonella than had
been the case without standards (81 FR
7285). The results of FSIS’ Salmonella
verification sampling show that the
current prevalence-based performance
standards approach has been effective in
reducing Salmonella contamination in
poultry.20 21 22 However, these measures
have yet to have an observable impact
on Salmonella illnesses. With respect to
foodborne illness reduction goals, the
Healthy People 2020 objectives had
aimed to reduce the annual number of
foodborne illnesses caused by
Salmonella from 15.0 per 100,000
population in 2006–2008 23. However,
the CDC estimated that in 2019,
Americans experienced 17.1 per
100,000 population Salmonella
illnesses.24 This represents an increase
of 14 percent from the 2006–2008
baseline. As discussed below, there are
likely several reasons why the reduction
in Salmonella contamination in poultry
products has not resulted in an
observable impact on Salmonella
illnesses.
With respect to Salmonella illnesses
associated with chicken and turkey, one
study found that the proportion of
outbreaks associated with these
commodities was essentially unchanged
from 1998–2017 and that both the
proportion of outbreaks and number of
outbreaks associated with chicken
remained essentially constant.25 During
that period, the per capita annual
consumption for pork, beef, and turkey
all declined between 9 percent and 22
percent, while annual consumption of
chicken increased by 15 percent.
The overall findings of another study
indicated declining trends in illness due
to Salmonella serotypes associated with
poultry and increasing trends in illness
due to Salmonella serotypes not
associated with poultry.26 However,
illness attribution was not an objective
of the analysis. Thus, the observed
illness declines may have been caused
by reduced risk in non-poultry sources
that have poultry-like serotype profiles.
The Healthy People 2030 target is to
reduce the Salmonella illness national
case rate of 15.3 per 100,000 population
in 2016–2018 by 25 percent, or to no
more than 11.5 per 100,000 population
per year.27 Thus, to reach the 2030
target, illnesses must be reduced by 25
percent. Although this target is for
Salmonella illnesses from all sources,
FSIS has adopted the same target for
foodborne illnesses linked to FSISregulated products and aims to reduce
these Salmonella illnesses by 25
percent. To move closer to achieving
this target, FSIS has determined that it
will need to adopt a new approach to
more effectively reduce foodborne
illness associated with FSIS-regulated
products, starting with poultry as one of
the leading food sources.
18 The purpose of an FSA is to conduct a riskbased, targeted review of establishment food safety
systems to verify that the establishment is able to
produce safe and wholesome meat or poultry
products in accordance with FSIS statutory and
regulatory requirements. FSIS Directive 5100.1—
Food Safety Assessment Methodology (usda.gov).
19 Ebel, E.D., Williams, M.S., Golden, N.J., Marks,
H.M., 2012. Simplified framework for predicting
changes in public health from performance
standards applied in slaughter establishments. Food
Control 28, 250–257; Williams, M.S., Ebel, E.D.,
Vose, D., 2011. Framework for microbial food-safety
risk assessments amenable to Bayesian modeling.
Risk Analysis 31, 548–565.
20 Ebel E.D., Williams M.S., and Schlosser W.D.
(2017). Estimating the Type II error of detecting
changes in foodborne illness via public health
surveillance. Microbial Risk Analysis 7: 1–7.
https://doi.org/10.1016/j.mran.2017.10.001.
21 Ebel, ED and Williams MS (2020). Assessing
the effectiveness of revised performance standards
for Salmonella contamination of comminuted
poultry. Microbial Risk Analysis 14:100076. https://
doi.org/10.1016/j.mran.2019.05.002.
22 Williams MS, Ebel ED, Golden NJ, Saini G,
Nyirabahiizi E, and Clinch N (2022). Assessing the
effectiveness of performance standards for
Salmonella contamination of chicken parts.
International Journal of Food Microbiology 378:
109801. https://doi.org/10.1016/
j.ijfoodmicro.2022.109801.
23 HHS Office of Disease Prevention and Health
Promotion archive. Healthy People 2020 at: https://
wayback.archive-it.org/5774/20220414163116/
https://www.healthypeople.gov/2020/topicsobjectives/topic/food-safety/objectives.
24 Tack DM, Ray L, Griffin PM, et al. Preliminary
Incidence and Trends of Infections with Pathogens
Transmitted Commonly Through Food—Foodborne
Disease Active Surveillance Network, 10 U.S. Sites,
2016–2019, MMWR Morb Mortal Wkly Rep
202;69:509–514. Available at: https://www.cdc.gov/
mmwr/volumes/69/wr/mm6917a1.htm#T1_down.
25 Williams, M.S., & Ebel, E.D. (2022). Temporal
changes in the proportion of Salmonella outbreaks
associated with 12 food commodity groups in the
United States. Epidemiology and infection, 150,
e126. https://doi.org/10.1017/S0950268822001042.
26 Powell M.R. (2023). Trends in reported
illnesses due to poultry-and nonpoultry associated
Salmonella serotypes; United States 1996–2019.
Risk Analysis. https://doi.org/10.1111/risa.14181.
27 HHS Office of Disease Prevention and Health
Promotion archive. Healthy People 2030 at: https://
health.gov/healthypeople/objectives-and-data/
browse-objectives/foodborne-illness/reduceinfections-caused-Salmonella-fs-04/data?
group=None&state=United
+States&from=2016&to=2018&populations=&
tab=data-table#data-table.
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1. Petitions and Initial Stakeholder
Input
Consumer advocacy organizations and
other stakeholders have noted that the
Healthy People Salmonella reduction
targets have not been met and have
submitted petitions and letters to FSIS
requesting that the Agency revise its
current approach for reducing
Salmonella illnesses associated with
poultry. For example, in January 2020,
Marler Clark LLP submitted a petition
on behalf of several individuals and
consumer advocacy organizations
requesting FSIS to issue an interpretive
rule to declare 31 Salmonella serotypes
that have been associated with
foodborne illness outbreaks to be
adulterants of all meat and poultry
products.28 According to the petition,
such action is needed to protect the
health and welfare of consumers by
encouraging the meat and poultry
industry to engage in more effective
oversight measures and create and
implement effective preventative
measures.
In May 2022, FSIS denied the petition
without prejudice, citing a lack of
sufficient data available to support the
sweeping actions requested in the
petition. In the response, FSIS agreed
that an updated Salmonella strategy is
necessary to reduce Salmonella
illnesses associated with poultry and
described how FSIS was working
towards gathering data and information
necessary to support a revised
strategy.29
On January 25, 2021, the Center for
Science in the Public Interest (CSPI) and
other consumer advocacy organizations
petitioned FSIS to establish enforceable
standards targeting Salmonella types of
greatest public health concern and all
Campylobacter 30 in poultry.31
28 Marler Clark LLP petition # 20–01 ‘‘Petition for
an Interpretive Rule Declaring ‘Outbreak’ Serotypes
of Salmonella enteritica subspecies to be
Adulterants’’ dated January 19, 2020. Available at:
https://www.fsis.usda.gov/policy/petitions/petitioninterpretive-rule-related-certain-Salmonellaserotypes.
29 FSIS Final Response to Petition #20–01, May
31, 2022. Available at: https://www.fsis.usda.gov/
policy/petitions/petition-interpretive-rule-relatedcertain-Salmonella-serotypes.
30 While the CSPI requested that FSIS take actions
related to both Salmonella and Campylobacter,
FSIS is currently focusing on re-evaluating its
approach to prevent Salmonella illnesses associated
with poultry.
31 CSPI petition #21–01, ‘‘Petition to Establish
Enforceable Standards Targeting Salmonella Types
of Greatest Public Health Concern while Reducing
all Salmonella and Campylobacter in Poultry, and
to Require Supply Chain Controls’’ (January 25,
2021) at: https://www.fsis.usda.gov/policy/
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Referencing the Healthy People
reduction goals, the petition asserted
that FSIS’ current performance
standards have not been effective in
reducing Salmonella illnesses because
they aim to reduce the prevalence of all
Salmonella rather than prioritizing
control efforts for the Salmonella
serotypes most likely to make people
sick. The petition laid out several
suggestions for standards that FSIS
could use to address Salmonella in
poultry. The petition recommended that
FSIS work with stakeholders and other
public health agencies to establish
enforceable final product standards to
target Salmonella serotypes of greatest
public health concern with an aim to
eliminate these strains from poultry
products over time. The petition also
suggested that FSIS consider revising
the current prevalence-based
Salmonella performance standard to
provide for quantitative testing and add
Salmonella levels to the performance
standards criteria to better ensure that
when Salmonella is present on a
product, it is present at low levels less
likely to cause human illness. The
petition asserted that FSIS is authorized
to deem poultry products that contain
virulent Salmonella strains and that
contain pathogen levels above a set
threshold to be adulterated under the
PPIA because more virulent serotypes
and certain levels of Salmonella are
more likely to render poultry products
injurious to health as defined in 21
U.S.C. 453(g)(1).
The 2021 CSPI petition also requested
that FSIS initiate rulemaking to require
that poultry establishments identify and
control foodborne hazards within their
supply chains, including Salmonella.
The petition stated that supply chain
interventions may include targeted
vaccines developed for specific
Salmonella serotypes and purchasing
chicks from suppliers certified to be free
of priority serotypes. The petition
asserted that FSIS is authorized to
require supply chain controls through
the current HACCP regulations, which
direct establishments to address, as
appropriate, hazards both introduced in
the establishment and introduced
outside the establishment, including
food safety hazards that occur before
entry into the establishment (9 CFR
417.2). The petition also asserted that
FSIS has authority to verify the
effectiveness of supply chain controls
under the PPIA’s antemortem inspection
authority, which requires FSIS to
conduct an antemortem inspection in
each official establishment processing
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poultry or poultry products for
commerce or otherwise subject to
inspection under the PPIA ‘‘where and
to the extent considered . . .
necessary,’’ ‘‘[f]or the purpose of
preventing the entry into or flow or
movement in commerce of . . . any
poultry product which is capable of use
as human food and is adulterated’’ (21
U.S.C. 455(a)). FSIS has not yet
responded to the 2021 CSPI petition but
has considered the issues raised in
developing this proposal.
In September 2021, FSIS received a
letter from the Food Safety Coalition
(FSC), a coalition of several food safety
leaders, public health and consumer
advocates, scientists, and members of
the food industry. Like the CSPI
petition, the FSC letter noted that
although FSIS’ current prevalence-based
pathogen reduction performance
standards have led to reduced
occurrence of Salmonella contamination
in poultry products, the Healthy People
2020 goals set by the Department of
Health and Human Services in 2010 for
lowering Salmonella and
Campylobacter illness rates were not
being met. The FSC letter stated that the
likely reason is that FSIS’ current
Salmonella performance standards do
not effectively target the particular types
of Salmonella and products containing
Salmonella levels that pose the greatest
risks of illness. The letter stated that a
new approach is needed to achieve the
new Healthy People 2030 Salmonella
illness rate target and presented several
suggested changes to help reduce the
rates of foodborne illness. The proposed
changes recommended by the FSC
included establishing modernized
enforceable pathogen standards that
‘‘invite innovation,’’ as well as
modernizing the HACCP framework to
address risk reduction across the full
production process, including defining
the responsibility of poultry processors
to consider pre-harvest practices and
interventions in their HACCP plans.32
2. FSIS Announces New Salmonella
Effort
After considering the available data
on Salmonella illnesses associated with
poultry as well as the initial stakeholder
input discussed above, on October 19,
2021, FSIS announced that it was
mobilizing a stronger, and more
comprehensive effort to reduce
Salmonella illnesses associated with
poultry products.33 In the
32 Food Safety Coalition Letter, September 2,
2021. Available at: https://www.fsis.usda.gov/
inspection/inspection-programs/inspection-poultryproducts/reducing-salmonella-poultry.
33 USDA Press Release, ‘‘USDA Launches New
Effort to Reduce Salmonella Illnesses Linked to
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announcement, FSIS explained that the
Agency would be initiating several key
activities to gather the data and
information necessary to support future
action and move closer to the national
target of a 25 percent reduction in
Salmonella illnesses. The
announcement also stated that FSIS
intended to seek stakeholder feedback
on specific Salmonella control and
measurement strategies as well as using
data to determine if there are other
approaches to reduce Salmonella. The
announcement noted that the effort
would leverage USDA’s strong research
capabilities and highlighted that FSIS
would ask the National Advisory
Committee for Microbiological Criteria
in Foods (NACMCF) to advise the
Agency on how it can build on the latest
science to improve its approach to
Salmonella control. The announcement
emphasized that FSIS would work
closely with stakeholders on informing
and implementing key activities of this
framework.
Following this announcement, the
Coalition for Poultry Safety Reform, a
multistakeholder coalition that includes
individuals and organizations
representing consumers, victims of
foodborne illness, food safety scientists,
food safety officials, and members of the
poultry industry, submitted a letter to
the USDA Deputy Under Secretary for
Food Safety in 2022 expressing support
for a new effort to address Salmonella.
The letter requested that FSIS focus its
efforts on developing new regulatory
standards related to Salmonella
covering both products and supply
chains and that these standards be
informed by a risk assessment based on
existing data.34 The letter recommended
that FSIS adopt enforceable product
standards aimed at reducing risk of
illness and develop and conduct a risk
assessment to understand illness
reduction benefits of various product
standards.
3. Activities Initiated To Support a New
Salmonella Framework
After FSIS announced its new
initiative to reduce Salmonella illnesses
associated with poultry products, the
Agency initiated several activities
designed to gather data and information
to inform and support future actions
related to this new effort.
Poultry’’ (October 19, 2021) at: https://
www.usda.gov/media/press-releases/2021/10/19/
usda-launches-new-effort-reduce-salmonellaillnesses-linked-poultry.
34 Coalition for Poultry Safety Reform Letter,
February 2, 2022. Available at: https://
www.fsis.usda.gov/inspection/inspection-programs/
inspection-poultry-products/reducing-salmonellapoultry.
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National Advisory Committee Charge.
On October 20, 2021, FSIS announced a
public meeting of NACMCF from
November 17, 2021, to November 19,
2021, to discuss, among other things, a
new charge focused on enhancing
Salmonella control in poultry
products.35 Specifically, FSIS charged
the NACMF Subcommittee on
Enhancing Salmonella Control in
Poultry Products to provide guidance on
the overarching risk management
question: What types of microbiological
criteria (e.g., Salmonella performance
standards) might FSIS use to encourage
reductions in Salmonella in poultry
products so that they are more effective
in preventing human Salmonella
infections associated with these
products? 36 FSIS also requested that the
Subcommittee provide guidance on nine
additional specific risk management
questions. On April 25, 2022, NACMCF
held a Subcommittee meeting for the
workgroups addressing each of the
questions in FSIS’ charge to provide an
update to the entire Subcommittee on
their progress and to look at the overall
timeline for completing the work of the
Subcommittee.37 On November 15,
2022, NACMCF held a virtual public
meeting to discuss and vote on the
Subcommittee’s report on Enhancing
Salmonella Control in Poultry Products,
which had been posted to the FSIS
website on November 1, 2022.38
NACMCF adopted the final report
pending finalization with consideration
given to oral comments provided at the
virtual public meeting and written
comments submitted as directed in a
Federal Register notice announcing the
public meeting.39 The comment period
for the NACMCF report was scheduled
to close on November 15, 2022, but was
35 National Advisory Committee Meeting on
Microbiological Criteria for Foods (NACMF) Public
Meeting —November 2021. Available at: https://
www.fsis.usda.gov/news-events/events-meetings/
national-advisory-committee-microbiologicalcriteria-foods-nacmcf-2.
36 2021–2023 National Advisory Committee
Meeting on Microbiological Criteria for Foods
(NACMF); FSIS Charge: Enhancing Salmonella
Control in Poultry Products Available at: https://
www.fsis.usda.gov/policy/advisory-committees/
national-advisory-committee-microbiologicalcriteria-foods-nacmcf/2021.
37 NACMCF FSIS Charge: Enhancing Salmonella
Control in Poultry, April 25, 2022. Available at:
https://www.fsis.usda.gov/news-events/eventsmeetings/national-advisory-committeemicrobiological-criteria-foods-nacmcf-fsis.
38 Public Meeting; National Advisory Committee
on Microbiological Criteria for Food, Nov 15, 2022.
Available at: https://www.fsis.usda.gov/newsevents/events-meetings/public-meeting-nationaladvisory-committee-microbiological-criteria.
39 Public Meeting National Advisory Committee
on Microbiological Criteria for Food (87 FR 64001).
Available at: https://www.fsis.usda.gov/policy/
federal-register-rulemaking/federal-register-notices/
public-meeting-national-advisory.
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64685
extended to December 30, 2022, to
provide 60 days for public review.40
After considering the public comments,
NACMCF finalized its report on March
13, 2023. The final report ‘‘Response to
Questions Posed by the Food Safety and
Inspection Service: Enhancing
Salmonella Control in Poultry
Products’’ (referred to as the 2023
NACMCF report in this document) is
available to the public on the FSIS
website at: https://www.fsis.usda.gov/
policy/advisory-committees/nationaladvisory-committee-microbiologicalcriteria-foods-nacmcf/2021.
Pilot Projects. In December 2021, FSIS
announced in its Constituent Update
that the Agency was inviting poultry
slaughter and processing establishments
to submit proposals for pilot projects
that will test different control strategies
for Salmonella contamination in poultry
products.41 The announcement
explained that pilot projects would last
for a defined period, during which
establishments would experiment with
new or existing pathogen control and
measurement strategies and share data
collected during the pilots with FSIS.
The announcement included
instructions on how interested
establishments could submit proposals
for pilots to FSIS. FSIS intended to
analyze the data generated under the
pilots to determine whether it supports
changes to FSIS’ existing Salmonella
control strategies.
Since March 2023, FSIS has granted
pilot projects to 9 establishments to
examine the merits and logistics of
excluding Salmonella poultry vaccine
strains from the FSIS Salmonella
performance categorization calculations.
After evaluating the data collected
under these pilots, on March 1, 2024,
FSIS announced that beginning April 1,
2024, it intends to exclude current
commercial vaccine subtypes confirmed
in FSIS raw poultry samples from the
calculation used to categorize
establishments under the raw poultry
Salmonella performance standards.42
This action is intended to remove
barriers to the use of vaccination as an
important pre-harvest intervention to
40 FSIS Constituent Update—Nov 10, 2022:
Deadline Extended to Comment on NACMCF
Document. Available at: https://www.fsis.usda.gov/
news-events/news-press-releases/constituentupdate-november-10-2022.
41 FSIS Constituent Update—Dec 3, 2021: FSIS
Seeking Proposals for Pilot Projects to Control
Salmonella in Poultry Slaughter and Processing
Establishments. Available at: https://
www.fsis.usda.gov/news-events/news-pressreleases/constituent-update-december-3-2021.
42 FSIS Constituent Update—March 1, 2024: FSIS
Intends to Exclude Vaccine Strains from the FSIS
Salmonella Performance Categorization at: https://
www.fsis.usda.gov/news-events/news-pressreleases/constituent-update-march-1-2024.
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control Salmonella in poultry. A
summary report of the data from these
pilots is posted on the Pilot Projects:
Salmonella Control Strategies page of
the FSIS website at: https://
www.fsis.usda.gov/inspection/
inspection-programs/inspection-poultryproducts/reducing-salmonella-poultry/
pilot.
On September 23, 2023, FSIS granted
a pilot to 2 establishments to examine
the merits of using preharvest results to
optimize establishment interventions.43
The data generated under the pilot will
be shared with and analyzed by FSIS to
determine whether it supports changes
to FSIS’ Salmonella control strategies.
Research and Science Roundtable. On
February 15, 2022, FSIS held a research
and science roundtable on Salmonella
in poultry.44 The intent of the
roundtable was to convene research
scientists to discuss the scientific
support for various potential
components of a revised strategy for
Salmonella control in poultry. Among
the topics discussed at the roundtable
were: research on surveillance and risk
assessments to evaluate the public
health impact of the presence of
Salmonella serotypes of concern and
levels of contamination at production;
research on Salmonella serotype
dynamics in poultry production;
research to identify pre-harvest food
safety challenges and solutions; research
modeling and correlation analysis work
on pre-harvest in poultry; research on
interventions to control Salmonella in
preharvest and postharvest poultry
production; and research in the area of
microbial biomapping of indicators and
pathogenic loads throughout the
processing chain and using pre-harvest
and post-harvest quantification data to
develop SPC programs. The
presentations on these topics and other
materials associated with the research
roundtable are available to the public on
the FSIS website at: https://
www.fsis.usda.gov/news-events/eventsmeetings/Salmonella-poultry-researchand-science-roundtable.
Exploratory Sampling Program and
New Salmonella Quantification System.
In April 2022, FSIS initiated an
exploratory program that expanded
young chicken carcass sampling at
establishments subject to the young
43 Pilot Projects: Salmonella control strategies.
Current Salmonella Pilot Participants available at:
https://www.fsis.usda.gov/inspection/inspectionprograms/inspection-poultry-products/reducingsalmonella-poultry/pilot.
44 Salmonella in Poultry: Research and Science
Roundtable. Available at: https://
www.fsis.usda.gov/news-events/events-meetings/
Salmonella-poultry-research-and-scienceroundtable.
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chicken carcass performance standard.45
The purpose of the exploratory
sampling program was to generate
microbial data to inform the Agency’s
effort to reduce Salmonella illnesses
attributable to poultry. Under the
program, in addition to the FSIS
Salmonella verification sample already
collected at post-chill, FSIS inspection
program personnel (IPP) began
collecting a second carcass sample at
rehang from the same flock. In addition,
FSIS IPP were instructed to collect the
regularly scheduled National Antibiotic
Resistance Monitoring System (NARMS)
cecal samples from the same flock as the
rehang and post-chill samples. The
samples collected under the exploratory
sampling program were initially
analyzed for the presence of Salmonella
and AC. FSIS IPP also completed a
questionnaire at the time they collected
exploratory samples to collect data on
pre-harvest and slaughter interventions
applied to the same flocks. A report on
the exploratory sampling results is
available at: https://
www.regulations.gov/docket/FSIS-20230028.
In August 2022, FSIS announced that
FSIS laboratories would begin using
new technology to quantify Salmonella
in raw poultry rinses and updated the
exploratory sampling program for young
chickens to quantify confirmed
Salmonella positive rehang and postchill carcass results using the new
quantification system.46 These analyses
were in addition to the whole genome
sequencing (WGS) that FSIS had already
been performing on confirmed
Salmonella-positive post-chill carcass
samples.
On January 30, 2023, FSIS added
Salmonella quantification testing and
AC indicator analyses to chicken part
rinsates.47 FSIS added these two
analyses to comminuted chicken testing
on February 27, 2023, and to
comminuted turkey on April 3, 2023.
45 FSIS Constituent Update—April 22, 2022: FSIS
Expands Salmonella Sampling for Young Chicken
Carcasses. Available at: https://www.fsis.usda.gov/
news-events/news-press-releases/constituentupdate-april-22-2022.
46 FSIS Constituent Update—Aug 5, 2022: FSIS to
include Salmonella Quantification in all Poultry
Rinse Samples. Available at: https://
www.fsis.usda.gov/news-events/news-pressreleases/constituent-update-august-5-2022-0. FSIS
Notice 44–22, Revised Young Chicken Exploratory
Sampling Program, Aug 11, 2022.
47 FSIS Constituent Update—Feb 3, 2023: FSIS to
Expand Salmonella Enumeration and Aerobic
Count Indicator Testing to Other Poultry Products.
Available at: https://www.fsis.usda.gov/newsevents/news-press-releases/constituent-updatefebruary-3-2023. Notice 83–23, New Sampling
Instructions and Testing for Chicken Parts and
NRTE Comminuted Poultry, Feb 3, 2023. Available
at: https://www.fsis.usda.gov/policy/fsis-notice/0823.
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Salmonella quantification is a
significant step in updating the
diagnostic capabilities of FSIS’ food
testing laboratories. The data generated
from the new quantification system
along with the data collected from the
young chicken carcass exploratory
sampling program were used to help
inform the policies discussed in this
document, including the quantitative
microbial risk assessments to evaluate
Salmonella in raw poultry discussed
below. The data generated from the
quantification system have also been
added to FSIS’ quarterly dataset release
and are available at: https://
www.fsis.usda.gov/science-data/datasets-visualizations/laboratory-samplingdata.
Risk Profile. In May 2022, FSIS
initiated a risk profile for Salmonella
subtypes in poultry linked to foodborne
illness. FSIS developed the risk profile
to provide information on whether
certain serotypes or subtypes of
Salmonella should be considered as
adulterants in specific poultry products
within the meaning of the PPIA (21
U.S.C. 453(g)). The risk profile involved
a comprehensive systematic review of
literature and supporting data designed
to provide responses to the following six
risk management questions:
1. What Salmonella serotypes or
subtypes are linked to foodborne illness
or outbreaks from consuming specific
raw or not-ready-to-eat chicken or
turkey products?
2. Are these Salmonella serotypes or
subtypes of concern present in live
chickens, live turkeys, and poultry
products?
3. Can exposure to a small number of
these Salmonella serotypes or subtypes
of concern result in foodborne illness?
4. Can exposure to these Salmonella
serotypes or subtypes of concern cause
severe, debilitating health outcomes?
5. How can these Salmonella
serotypes or subtypes of concern be
differentiated from other Salmonella
subtypes?
6. Would ordinary consumer handling
or preparation practices affect exposure
to Salmonella serotypes or subtypes of
concern?
The risk profile was submitted for
independent peer-review 48 and updated
in response to peer review comments.
The results of the risk profile and how
they were used to inform specific
measures proposed in this document are
discussed below. The final Risk Profile
for Pathogenic Salmonella in Poultry
(referred to as the 2023 risk profile in
48 Peer Review Plan: Risk Profile for Salmonella
Subtypes in Poultry Products Linked to Foodborne
Illness (usda.gov).
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this document) is available at: https://
www.regulations.gov/docket/FSIS-20230028.
Risk Assessments FSIS Developed to
Inform Rulemaking. FSIS conducted
two new quantitative microbial risk
assessments, one for Salmonella in
chicken and one for Salmonella in
turkey, to inform the Agency’s new
framework for reducing Salmonella
attributed to poultry consumed in the
United States. FSIS expanded on this
work through a Cooperative Agreement
(FSIS–02152022) with the University of
Maryland’s Joint Institute for Food
Safety and Applied Nutrition (UMD–
JIFSAN), in partnership with EpiX
Analytics, to differentiate Salmonella
serotypes by virulence using advanced
bioinformatics (i.e., machine learning)
to evaluate genomic data.49 The risk
assessments address the following risk
management questions:
1. What is the public health impact
(change in illnesses, hospitalizations,
and deaths) achieved by eliminating at
receiving a proportion of chicken (or
turkey) contaminated with specific
levels of Salmonella and/or specific
Salmonella subtypes?
2. What is the public health impact
(change in illnesses, hospitalizations,
and deaths) achieved by eliminating
final product contaminated with
specific levels of Salmonella and/or
specific Salmonella subtypes?
3. What is the public health impact of
monitoring/enforcing process control
from rehang to post-chill? Monitoring
could include analytes such as
Enterobacteriaceae Count (EB), AC, or
other indicator organisms, analysis
could include presence/absence or
levels and the monitoring could also
include variability of actual result
versus expected result, log reduction,
absolute sample result, or other
individual establishment specific
criteria.
4. What is the public health impact of
implementing combinations of the risk
management options listed above?
The risk assessments were submitted
for independent peer-review 50 and
49 FSIS Constituent Update—July 1, 2022: FSIS
Announces Cooperative Agreement on Salmonella
Risk Assessments. Available at: https://
www.fsis.usda.gov/news-events/news-pressreleases/constituent-update-july-1-2022.
Salmonella Risk Assessments and Risk
Management Questions at: https://
www.fsis.usda.gov/inspection/inspection-programs/
inspection-poultry-products/reducing-Salmonellapoultry/Salmonella-1.
50 Peer Review Plan: Quantitative Microbial Risk
Assessment of Salmonella in Chicken Products
available at: https://www.fsis.usda.gov/sites/
default/files/medialfile/documents/
FSISlSalmonellalPeerl
ReviewlPlanlChicken.pdf.Peer Review Plan:
Quantitative Microbial Risk Assessment of
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updated in response to peer review
comments. The risk assessments, and
the manner in which the results were
used to inform specific measures
proposed in this document, are
discussed below. The final Quantitative
Risk Assessment for Salmonella in Raw
Chicken and Raw Chicken Products and
Quantitative Risk Assessment for
Salmonella in Raw Turkey and Raw
Turkey Products (referred to as the 2023
risk assessments in this document) are
available at: https://
www.regulations.gov/docket/FSIS-20230028.
4. Initial Measures Implemented To
Address Salmonella Illnesses
Associated With Consumption of
Poultry Products
After FSIS announced its new
Salmonella initiative in October 2021,
in addition to initiating the activities to
gather data to inform and support a new
Salmonella Framework discussed
above, the Agency implemented some
initial measures to support this effort.
Salmonella Key Performance
Indicator. As part of USDA’s strategic
and performance planning process for
fiscal years (FY) 2022–2026, FSIS
established a new ‘‘key performance
indicator’’ (KPI) targeted to reduce the
proportion of poultry samples with
Salmonella serotypes commonly
associated with human illnesses.51 This
KPI is a measure that is used to evaluate
FSIS’ progress towards reaching its
objectives and goals identified in both
Agency and USDA strategic plans and
will serve as a metric for success for the
USDA FY 2022–2026 Strategic Plan.
FSIS analyzed historical Agency
sampling data, in addition to FoodNet
Fast data from the CDC, to determine
the top three Salmonella serotypes
commonly associated with human
illness for this measure. The analysis
found that these serotypes are Infantis,
Enteritidis, and Typhimurium. FSIS
will use annual targets to track progress
toward reducing the proportion of
poultry samples with the KPI serotypes
and is seeking a 2 percent reduction
each year, with the goal of achieving a
10 percent reduction by FY 2026. KPI
serotypes are useful for strategic and
performance planning purposes, and
these may differ from the serotypes of
Salmonella in Turkey Products available at: https://
www.fsis.usda.gov/sites/default/files/medialfile/
documents/FSISlSalmonellalPeerl
ReviewlPlanlTurkey.pdf.
51 FY2022–2024 Food Safety Key Performance
Indicator. Available at: https://www.fsis.usda.gov/
inspection/inspection-programs/inspection-poultryproducts/reducing-Salmonella-poultry/Salmonella0#:∼:text=FY2022–2026FoodSafetyKeyPerformance
IndicatorA,theUSDAFiscalYear28FY292022–2026
StrategicPlan.
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public health significance (which will
likely change over time as the serotypes
commonly associated with human
illnesses change).
Final Determination. On August 1,
2022, FSIS announced that it would be
declaring Salmonella as an adulterant in
breaded and stuffed not-ready-to-eat
(NRTE) chicken products (also referred
to as ‘‘NRTE breaded stuffed chicken
products’’).52 These products contain
raw, comminuted chicken breast meat,
trim, or whole chicken breast meat, but
the finished product is heat-treated only
to set the batter or breading on the
exterior of the product, which may
impart an RTE appearance.53 Although
the labeling of NRTE breaded stuffed
chicken products has undergone
significant changes over time to better
inform consumers that the products are
raw and to provide instructions on how
to prepare them safely, these products
continue to be associated with
Salmonella illness outbreaks. Based on
information from Salmonella illness
outbreaks associated with NRTE
breaded stuffed chicken products and
information from research on consumer
handling practices with respect to these
products, FSIS concluded that labeling
that informs consumers that these
products are raw and how to prepare
them safely fails to sufficiently protect
consumers from illness.
On April 28, 2023, FSIS published a
proposed determination to declare that
NRTE breaded stuffed chicken products
that contain Salmonella at levels of 1
cfu per gram or higher are adulterated
within the meaning of the PPIA (88 FR
26249). FSIS also proposed to carry out
verification procedures, including
sampling and testing of the chicken
component of NRTE breaded stuffed
chicken products prior to stuffing and
breading, to ensure producing
establishments control Salmonella in
these products. The comment period for
the proposed determination was
scheduled to close on June 27, 2023, but
was extended to August 11, 2023, in
response to requests from members of
the regulated industry.54
52 Salmonella as an Adulterant in Breaded Stuffed
Raw Chicken Products (Aug 1, 2022). Available at:
https://www.usda.gov/media/press-releases/2022/
08/01/usda-announces-action-declare-Salmonellaadulterant-breaded-stuffed.
53 FSIS Directive 5300.1, Revision 1. Managing
the Establishment Profile in the Public Health
Information System. (usda.gov). See attachment 2
‘‘NRTE Stuffed Chicken Products that appear RTE.’’
54 FSIS Constituent Update—July 21, 2023: FSIS
Extends Comment Period on Proposed
Determination: Salmonella in Not-Ready-To-Eat
Breaded Stuffed Chicken Products. Available at:
https://www.fsis.usda.gov/news-events/news-pressreleases/constituent-update-july-21-
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FSIS received 3,386 comments on the
proposed determination. After careful
consideration of the comments, on May
1, 2024, FSIS finalized the
determination as proposed, with one
change (89 FR 35033). Instead of
collecting samples after the
establishment has completed all
processes needed to prepare the chicken
component to be stuffed and breaded to
produce a final NRTE breaded stuffed
chicken product, as was proposed, FSIS
will collect verification samples on the
raw incoming chicken components.
This change was intended to provide
greater flexibility and reduce costs to
industry.
As noted above, NRTE breaded
stuffed chicken products are adulterated
if they contain Salmonella at 1 cfu/g or
higher, regardless of the Salmonella
serotype. FSIS adopted this approach
for NRTE breaded stuffed chicken
products because these products present
a unique public health risk. Unlike raw
chicken carcasses, chicken parts,
comminuted chicken, and comminuted
turkey, NRTE breaded stuffed chicken
products may have a cooked
appearance, are thicker in diameter than
many other poultry products, contain
multiple ingredients, and are typically
cooked from a frozen state. In addition,
outbreak data cited in the NRTE breaded
stuffed chicken proposal indicate that
these products have been consistently
and disproportionately associated with
Salmonella illness outbreaks over the
years. As FSIS acknowledged in the
NRTE breaded stuffed chicken proposed
and final determination, although not
all Salmonella serotypes are equally
likely to cause illness, all serotypes have
the ability to invade, replicate, and
survive in human host cells, resulting in
potentially serious disease. Thus,
because of the unique public health risk
associated with NRTE breaded stuffed
chicken products, FSIS determined that
these products are adulterated if they
contain any Salmonella stereotypes at or
above 1 cfu/g.
C. Public Meeting on Salmonella
Framework Under Consideration and
Public Comments
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1. Public Meeting and Proposed
Framework
On October 17, 2022, FSIS published
a Federal Register notice announcing
that it was hosting a virtual public
meeting on November 3, 2022, to
discuss a regulatory framework that the
Agency was considering for a new
strategy to control Salmonella in poultry
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products and more effectively reduce
foodborne Salmonella infections linked
to these products (87 FR 62784). In the
notice, FSIS shared the key elements of
the framework under consideration and
stated that the Agency was soliciting
comments from stakeholders on all
elements of the draft framework, both at
the public meeting and in written
comments submitted in response to the
Federal Register notice, before moving
forward with any proposed changes to
regulations or other actions. The Agency
also made a document outlining the
regulatory framework under
consideration available to the public
before the public meeting by publishing
it on the FSIS website.55
The three components under
consideration in the draft framework
included:
1. Requiring that incoming flocks be
tested for Salmonella before entering an
establishment;
2. Enhancing establishment process
control monitoring and FSIS
verification; and
3. Implementing an enforceable final
product standard.
The framework under consideration
also addressed cross-cutting issues
associated with testing for Salmonella,
considerations for small and VS
establishments, and data sharing. FSIS
specifically requested comments on
factors the Agency should consider
relative to the approaches outlined in
each of the components, how each
component can be strengthened, and
where are there gaps in the framework.
FSIS also requested comments on
relevant scientific evidence or examples
of how the components may be
implemented or the impacts they may
have on human Salmonella illnesses.
At the November 3, 2022, public
meeting, stakeholders presented oral
comments to FSIS panels comprised of
FSIS leadership and experts on the three
separate components of the framework
and the cross-cutting issues. The
primary purpose of the panels was to
listen to stakeholder input and ask
clarifying questions as needed.56 In
addition to the oral comments presented
at the public meeting, FSIS also
provided an opportunity for the public
to submit written comments on the
framework. The comment period for
55 Proposed Regulatory Framework to Salmonella
Illnesses Attributable to Poultry. Available at:
https://www.fsis.usda.gov/inspection/inspectionprograms/inspection-poultry-products/reducingSalmonella-poultry/proposed.
56 A transcript of the public meeting and other
related materials are available to the public on the
FSIS website at: https://www.fsis.usda.gov/newsevents/events-meetings/public-meeting-reducingSalmonella-poultry.
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submitted written comments was
scheduled to close on November 16,
2022, but was extended to December 16,
2022, to allow stakeholders sufficient
time to take into consideration the
discussion at the November 3, 2022,
public meeting.57 A summary of the
general issues raised by the public
comments is discussed below.
2. Public Comments on the Proposed
Framework
During the comment period for the
proposed framework, FSIS received
1,034 comments. Seven hundred
seventy-three comments were identical
or similar comment letters from
individuals in support of the proposed
framework, and 75 were identical or
similar comment letters from
individuals opposed to the proposed
framework. One consumer advocacy
organization submitted a comment letter
with a spreadsheet containing 4,916
names in support of the framework.
Another consumer advocacy
organization submitted a comment letter
with a spreadsheet containing 3,487
names in support of the framework.
FSIS also received 149 unique
comments from individuals, most in
opposition to the proposed framework.
In addition to the individual comments
and form letters, FSIS received
approximately 35 separate comment
letters from trade associations
representing the meat and poultry
industries, consumer advocacy
organizations, animal welfare advocacy
organizations, small poultry growers
and processors, organizations that
support independent family farmers, a
large meat producer, a trade association
representing the veterinary profession, a
State Department of Agriculture, an
organic/sustainable agriculture
organization, a biotech company
representative, a meat scientist, and
academics. The general issues raised on
each of the components under
consideration in the framework and on
the cross-cutting issues are described
below.
Comments on Component One.
Component One of the draft framework
considered whether FSIS should require
slaughter establishments to characterize
Salmonella as a hazard reasonably
likely to occur at receiving and require
that incoming flocks be tested for
Salmonella before entering an
establishment. Under this approach, the
flock would be required to meet a
predetermined target for Salmonella at
57 FSIS Constituent Update—Oct 28, 20222: FSIS
Extends Public Meeting and Comment Period on
Proposed Salmonella Framework. Available at:
https://www.fsis.usda.gov/news-events/news-pressreleases/constituent-update-october-28-2022-1.
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receiving, which may be industry-wide
or establishment-specific. The
establishment would be required to
demonstrate that its subsequent process
will be effective in reducing Salmonella
so that the product meets the final
product standard under consideration in
Component Three.
Comments from individuals,
consumer advocacy organizations, and
animal welfare advocacy organizations
expressed general support for the
measures under consideration in
Component One. A consumer advocacy
organization commented that requiring
incoming flocks be tested for
Salmonella would provide incentives
for producers to adopt effective preharvest measures and for establishments
to take action to further reduce food
safety risks from flocks failing the
incoming Salmonella target, such as
slaughtering more contaminated flocks
at the end of the day.
Comments from small poultry
processors and producers, organizations
representing small poultry producers
and independent family farmers, and
trade associations representing the meat
and poultry industries expressed
concerns that the measures under
consideration in Component One would
impose an overwhelming burden on
small producers. An organization
representing small poultry producers
and several individual comments stated
that requiring that flocks be tested for
Salmonella before they enter an
establishment would add delays and
costs that small operators cannot afford.
Several comments, including
comments from trade associations
representing the meat and poultry
industries and organizations that
support independent family farmers,
asserted that FSIS lacks legal authority
to require the measures under
consideration in Component One,
particularly the requirements that
incoming flocks be tested for
Salmonella. The commenters stated that
FSIS’ authority under the PPIA begins at
the official establishment and does not
extend to the farm. The commenters
also asserted that Component One
conflicts with HACCP principles in that
under HACCP, establishments, not FSIS,
are responsible for making decisions on
how to execute their food safety system.
Comments from trade associations
representing the meat and poultry
industries asserted that FSIS had
presented no data to demonstrate that
an incoming Salmonella threshold or
limit is necessary for an establishment
to maintain process control and
sufficiently reduce Salmonella during
processing. They also stated that FSIS
did not explain how on-farm sampling
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several weeks before a flock is processed
correlates to actual incoming
Salmonella loads or provide data to
show that reducing incoming loads
would have any public health impact.
The commenters noted that many
producers and processors currently
employ interventions aimed at reducing
Salmonella on farms and suggested that
FSIS consider other measures to
incentivize pre-harvest controls without
requiring testing, such as encouraging
establishments to consider Salmonella a
hazard reasonably likely to occur and
providing guidance for addressing
Salmonella pre-harvest. Some of the
commenters that opposed Component
One suggested removing this component
entirely.
Comments on Component Two. The
measures under consideration in
Component Two of the proposed
framework would build on HACCP
regulations, which provide a
prevention-based approach to food
safety. To ensure pathogen control
throughout slaughter and processing
operations, Component Two would
modify the existing requirements for
microbial organism testing for process
control in 9 CFR 381.65(g) and establish
additional parameters to better define
the required analysis of the data.
Establishments would be required to
test for indicator organisms (e.g., AC or
EB) at rehang and post-chill and would
be required to use a standardized
statistical approach to process control.
FSIS would consider production
volume when determining the
frequency that establishments must
collect samples.
FSIS received several comments in
support of the measures under
consideration in Component Two from
consumer advocacy organizations and
academia. These commenters generally
agreed with the proposal but
recommended that FSIS consider
additional measures, such as requiring
establishments to test more broadly for
indicator organisms and/or requiring
testing at more sampling points. These
commenters also recommended that
FSIS work with stakeholders to develop
the SPC approach after conducting
research to determine the best points
predictive of end product Salmonella
levels and tailor the SPC for differences
in processors’ equipment and plant
layouts.
Trade associations representing the
meat and poultry industries, a State
Department of Agriculture, and an
organic/sustainable agriculture
organization expressed concerns about
some of the measures under
consideration in Component Two. The
commenters asserted that there is a lack
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of necessary data to support creating a
rigid SPC framework for all
establishments. An organic/sustainable
agriculture organization requested that
small producers be exempt from this
component. A trade association
representing the meat and poultry
industry suggested that FSIS consider
conducting verification sampling at
specific locations and allow
establishments to develop their own
sampling plans. An association
representing small and VS poultry
establishments stated that the
Component Two measures under
consideration will be costly and will not
reduce Salmonella.
Comments on Component Three.
Component Three of the draft
framework under consideration would
implement an enforceable final product
standard to prevent raw poultry
products with certain levels and/or
types of Salmonella contamination from
entering the stream of commerce. FSIS
would establish the standard by
classifying certain Salmonella levels
and/or serotypes as adulterants in raw
poultry and take action against poultry
products that exceed the final product
standard.
Consumer advocacy organizations,
coalitions promoting food safety, and
individuals with expertise in food and
meat science generally supported
Component Three and recommended
that FSIS prioritize developing and
implementing Component Three.
According to these commenters, it is the
most critical part of the framework.
These commenters recommended an
enforceable approach to combatting
Salmonella. The commenters stated that
such an approach would provide much
greater safety to consumers by
preventing highly contaminated product
from reaching store shelves and would
motivate industry to adequately control
Salmonella because of the direct
financial cost of losing product that
does not meet the final standard.
Some of the comments in support of
Component Three requested that FSIS
provide increased transparency and data
regarding how the product standards
under consideration would look. One
consumer advocacy organization
emphasized that FSIS should use
scientifically sound risk assessments in
determining final product standards. A
consumer advocacy organization
recommended establishing separate
standards for different poultry products
and stated that, for chicken, the
standard could be based on FSIS’ KPI
serotypes Enteritidis, Infantis, and
Typhimurium, and that for turkey, the
standard could be based on serotypes
Reading, Infantis, and Typhimurium. A
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consumer advocacy organization stated
that FSIS should set stricter standards
for certain products if the risk
assessment identifies higher risk poultry
products and that the risk assessments
would determine whether the final
product standards should be based on
Salmonella enumeration, serotypes, or a
combination of both.
Comments from trade associations
representing the meat and poultry
industries, trade associations
representing small poultry processors
and family farmers, a state government
entity, and both large and small
businesses associated with poultry
production did not support the
establishment of enforceable final
product standards. These comments
opposed considering Salmonella to be
an adulterant in raw poultry. Many of
the commenters stated that FSIS has
historically not considered Salmonella
as an adulterant in raw poultry because:
(1) Salmonella is not an ‘‘added
substance’’ and (2) Salmonella is not
present in levels that render chicken or
turkey injurious to health because
customary poultry cooking practices
destroy Salmonella. The commenters
stated that FSIS has not provided any
new information to support a change in
this interpretation. Comments from
these trade associations and a state
government entity also stated that FSIS’
comparison of Salmonella in raw
poultry to Escherichia coli (E. coli) in
non-intact beef is not relevant, given
that the two are very different in how
they occur in products and how they are
destroyed through cooking.
On the other hand, comments from
consumer advocacy organizations stated
that Salmonella may be considered as
an ‘‘added substance’’ because it is not
found in the muscle tissue of healthy
animals but rather is deposited through
cross-contamination during slaughter
and processing. The commenters
asserted that regardless of whether FSIS
considers certain Salmonella levels or
serotypes most associated with human
illness to be an ‘‘added substance,’’ they
are adulterants because they ‘‘ordinarily
render’’ contaminated poultry products
injurious to health.
Commenters that opposed Component
Three expressed concern about the
delay that would result from a national
verification testing program. A trade
association representing the chicken
industry argued that the extra time
required for poultry producers to hold
their product pending FSIS’ Salmonella
testing results will significantly
decrease the number of poultry products
that can safely reach store shelves. An
organization representing small poultry
producers and processors stated that
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waiting for acceptable test results would
particularly affect small producers who
may not have the capability to hold
poultry for a long period of time.
Some commenters recommended
alternatives to Component Three that
the commenters believed would more
effectively reduce Salmonella infection
rates from poultry. For example, a large
company that processes poultry
recommended that, instead of
developing new final product standards
based on product adulteration, FSIS
update the current performance
standards to include a new metric based
on a quantification target that measures
beyond the prevalence of Salmonella,
which the commenter said would work
well within a current or an updated
HACCP system.
Many comments opposed to
Component Three asserted that the
proposed measures under consideration
lacked information on the data and
methods that would be used to establish
the final product standards. A trade
association representing the chicken
industry questioned whether FSIS had
sufficient laboratory space needed to
sample different product lots for
Salmonella levels or serotypes. An
organization representing independent
family farmers recommended that,
instead of establishing final product
standards, FSIS should identify the
Salmonella strains that cause most
illnesses and target those strains
specifically rather than providing more
general product standards. The 75
similar comment letters that opposed
the framework stated that FSIS should
remove Component Three from the
framework until the Agency provides a
clear statement of the levels and/or
strains of Salmonella that would define
the final product standards.
Comments on other issues raised. In
addition to comments about the above
Components, there were comments
raised about the framework in general.
Among these comments were write-in
campaigns that expressed general
support for the proposed framework. A
trade association representing the
chicken industry argued that the
proposed framework under
consideration is not necessary because
FSIS’ existing framework for addressing
Salmonella control has been working. A
trade association representing the
poultry industry commented that there
is a need for consumer research and
education regarding safe handling of
poultry. Some comments expressed
concern that adopting the framework
would lead to an increase in food waste.
Comments on data sharing. FSIS
received five comments regarding the
need to share data. An academic
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suggested FSIS work with stakeholders
to facilitate sharing of industry data that
would provide additional insights into
the sampling points that would be most
predictive of process control. Trade
associations representing the poultry
industry urged FSIS to create a pathway
for companies to share confidential
proprietary data with the Agency and
indicated it would be necessary to
ensure that data is shared only with
FSIS. A sustainable agriculture
organization emphasized the need for an
enhanced ability to share information
among agencies, the academic
community, and industry.
3. Additional Stakeholder Input
In addition to the November 2022
public meeting, FSIS also participated
in technical meetings with
representatives from the poultry
industry, consumer advocacy
organizations, academia, and other
stakeholders to further discuss aspects
of the proposed Salmonella ramework.
These technical meetings were
organized and hosted by the regulated
industry. The first technical meeting
was held on March 21, 2023. Among the
topics discussed were differences in
production practices and Salmonella
control strategies between chicken and
turkeys, review of ongoing risk
assessments, pre-harvest control risk
management measures, creating,
implementing, and reacting to statistical
process control measures, and
Salmonella quantification methods. A
second technical meeting was held on
April 12, 2023. Among the topics
discussed at that meeting were
incentivizing use of pre-harvest
interventions, how statistical process
control is used in the poultry industry
and educational needs, and addressing
lot size and microbiological
independence, and a review of the key
differences between beef and poultry.
FSIS officials also held a virtual meeting
with small and VS establishment
owners in February 2023 to seek input
on the Salmonella Framework under
consideration.58
4. Overview of Modifications to the
Proposed Salmonella Framework
FSIS has carefully evaluated the
written comments and other stakeholder
input provided on the proposed
Salmonella Framework, along with new
studies and information that have
become available since the Agency
made the information about the
framework under consideration
58 Officials’ Calendar of Meetings (Feb 2023) at:
https://www.fsis.usda.gov/news-events/eventsmeetings/officials-calendar-meetings.
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available to the public in November
2022. Based on this evaluation, FSIS has
decided to modify some of the measures
it had been considering as part of the
Salmonella Framework and is proposing
these modified measures in this
document. FSIS requests comments on
all measures proposed in this document.
If, after the close of the comment period,
the Agency determines that some
portions of the modified Salmonella
Framework can be finalized sooner than
others, FSIS will finalize those portions
separately from the others so as not to
delay regulatory action on this
important public health initiative.
The proposed modified framework
components are discussed in more
detail under separate headings in this
document. The headings for the
proposed modified framework
correspond to the component headings
used for the draft framework that FSIS
presented to the public, i.e., Component
One, Component Two, Component
Three. The components are discussed in
this proposal in an order that
emphasizes the most significant
proposed changes first. Therefore, the
discussion begins with Component
Three: Final Product Standards,
followed by Component Two: Enhanced
Establishment Process Control
Monitoring, and finally Component
One: Pre-Harvest Measures.
Following is a general summary of the
modifications.
Component Three Modifications.
Consistent with Component Three of the
draft framework that was under
consideration, FSIS is proposing
enforceable final product standards to
prevent raw poultry products with
certain levels and Salmonella serotypes
from entering commerce. Under this
proposal, FSIS has tentatively
determined that certain raw poultry
products that contain Salmonella in an
amount that exceeds a specified level
and that contain any detectable level of
certain Salmonella serotypes are
adulterated as defined in the PPIA. The
proposed final product standards are as
follows:
• Chicken carcasses and chicken
parts: Salmonella at or above 10 cfu per
milliliter of rinsate collected in any
sample and any detectable level of at
least one of the Salmonella serotypes of
public health significance (i.e.,
Enteritidis, Typhimurium, and I
4,[5],12:i:-);
• Comminuted chicken: Salmonella
at or above 10 cfu per gram of product
collected in any sample and any
detectable level of at least one of the
Salmonella serotypes of public health
significance (i.e., Enteritidis,
Typhimurium, and I 4,[5],12:i:-);
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• Comminuted turkey: Salmonella at
or above 10 cfu per gram of product
collected in any sample and any
detectable level of at least one of the
Salmonella serotypes of public health
significance (i.e., Hadar, Typhimurium,
and Muenchen).
FSIS is also proposing that the
Agency would routinely collect samples
of raw final products subject to the
proposed standards and analyze them
for Salmonella levels and serotypes to
determine whether the product is
adulterated.
Component Two Modifications. To
ensure that poultry slaughter
establishments are effectively
controlling Salmonella throughout their
operations, FSIS is proposing to revise
the current regulations in 9 CFR
381.65(g) that require that all poultry
slaughter establishments develop,
implement, and maintain written
procedures to prevent contamination by
enteric pathogens throughout the entire
slaughter and dressing operation. FSIS
is proposing to revise these regulations
to clarify that these procedures must
include an MMP that incorporates SPC
monitoring methods. These proposed
amendments would also specify that the
pre-chill sampling location is at rehang
and specify the use of appropriate
microbial organisms for monitoring
process control. In addition, VS and
VLV establishments operating under
Traditional Inspection 59 would have to
test at both rehang and post-chill,
instead of at post-chill only, although
some of these establishments would
have the option to use laboratory
services provided by FSIS to analyze
their monitoring samples. FSIS has
developed proposed guidance to help
establishments meet the proposed
sampling and analysis requirements.
Under this proposal, the guidance
would be considered as a ‘‘safe harbor’’
in that establishments that follow the
guidance will have met the proposed
MMP requirements in 9 CFR 381.65(g).
FSIS is also proposing to amend the
recordkeeping requirements in 9 CFR
381.65(h) to require that establishments
submit their microbial monitoring
results to the Agency electronically.
Component One Modifications. Based
on the need for additional research and
due to implementation challenges, FSIS
has decided, at this time, not to
establish a regulatory requirement that
establishments characterize Salmonella
as a hazard reasonably likely to occur at
receiving or that incoming flocks be
tested for Salmonella before entering an
59 Traditional Inspection is typically employed at
smaller lower production volume establishments
that eviscerate carcasses by hand (77 FR 4410).
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64691
establishment. FSIS, however, will
focus on achieving the goal of
Component One—reduce the amount
and type of Salmonella contamination
that enters the establishment—through
non-regulatory strategies. These include
actively encouraging the wider use of
modified-live vaccines, which have
been demonstrated to have a very
effective role in mitigating the hazard
associated with specific Salmonella
serotypes, while reducing the entire
load of similar serogroup Salmonella
through cross-protection. FSIS is also
working with the Animal and Plant
Health Inspection Service (APHIS) to
explore ways to expand the National
Poultry Improvement Program (NPIP),
which has been effective in reducing the
prevalence of particular Salmonella
serotypes.
The Agency will continue to explore
and develop strategies for addressing
Salmonella contamination risk at
receiving. FSIS also intends to revise its
existing compliance guideline on
Controlling Salmonella in Raw
Poultry 60 to provide effective guidance
on pre-harvest interventions and
practices for preventing or reducing
Salmonella colonization of live birds.
5. Severability
While the three components in this
proposal support a comprehensive
approach to controlling Salmonella in
poultry, they are each separate actions
that could operate independently of
each other to address Salmonella
illnesses associated with poultry
products. Therefore, the following
portions of this proposal are mutually
severable from each other: The proposed
determination that would establish final
product standards for certain raw
poultry products proposed under
Component Three; the proposed
amendments to 9 CFR 381.65 (g) and (h)
that would enhance process control
monitoring in all poultry slaughter
establishments under Component Two;
and the proposed non-regulatory
approach to address pre-harvest
measures in Component One. Should
FSIS finalize this proposal, if any of the
above portions were to be set aside by
a reviewing court, FSIS would intend
for the remainder of this action to
remain in effect.
These proposals are discussed in
more detail below.
60 FSIS Guideline for Controlling Salmonella in
Raw Poultry (July 2021). Available at: https://
www.fsis.usda.gov/guidelines/2021-0005.
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II. Component Three: Proposed Final
Product Standards
A. Current Salmonella Performance
Standards and Consideration of an
Alternative Approach
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As discussed above, although FSIS
sampling data show that the occurrence
of Salmonella in raw poultry products
has decreased since FSIS implemented
its prevalence-based Salmonella
performance standards, there has not
been a corresponding observed
reduction in Salmonella illnesses in the
United States. There are likely multiple
reasons for the disconnect between the
reduced Salmonella contamination in
poultry products and continued
illnesses. Individuals who become ill
may be exposed to more virulent
Salmonella strains or higher
concentrations of Salmonella,61 and, as
noted above, consumption of poultry
has increased.62 Additionally, as
discussed below, several consumer
behavior research studies suggest that
ordinary consumer cooking and
preparation practices for many raw
chicken and turkey products do not
provide adequate assurance that these
products will not be contaminated with
Salmonella when consumed. Therefore,
FSIS has decided to reconsider its
current approach to Salmonella
performance standards for poultry and
has tentatively concluded that the
Agency should adopt an alternative
approach to more effectively reduce
Salmonella illnesses associated with
poultry products. This proposal
addresses the disconnect between
Salmonella contamination on poultry
and human illnesses because it targets
specific Salmonella serotypes more
frequently associated with illness and
limits the concentration of Salmonella
permitted in certain raw poultry
products.
61 FSIS Risk Profile for Pathogenic Salmonella in
Poultry (2023); FAO/WHO (Food and Agriculture
Organization/World Health Organization)
‘‘Microbiological Risk Assessment Series 3: Hazard
Characterization for Pathogens in Food and Water’’.
Geneva, Rome: World Health Organization, Food
and Agricultural Organization of the United
Nations; 2003; Cheng, RA, Eade CR, and Wiedmann
M (2019). Embracing Diversity: Differences in
Virulence Mechanisms, Disease Severity, and Host
Adaptations Contribute to the Success of
Nontyphoidal Salmonella as a Foodborne Pathogen.
Frontiers in Microbiology, Volume 10 at: https://
doi.org/10.3389/fmicb.2019.01368; Teunis, Peter
FM (2022).Dose response for Salmonella
Typhimurium and Enteritidis and other nontyphoid
enteric salmonellae. Epidemics 41: 100653. https://
doi.org/10.1016/j.epidem.2022.100653.
62 Williams, M.S., & Ebel, E.D. (2022). Temporal
changes in the proportion of Salmonella outbreaks
associated with 12 food commodity groups in the
United States. Epidemiology and infection, 150,
e126. https://doi.org/10.1017/S0950268822001042.
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FSIS’ current Salmonella performance
standards focus on reducing the
prevalence of all Salmonella without
considering differences in virulence
among individual Salmonella serotypes,
strains, and genotypes. Thus, the
current standards do not focus on the
types of Salmonella most likely to cause
human illnesses. In addition, the
current Salmonella performance
standards consider only the presence or
absence of Salmonella in the product,
while the quantity of the pathogen may
also have an impact on illness. Thus,
the current performance standards do
not distinguish between poultry
products that are heavily contaminated
and that contain the most virulent type
of Salmonella from those that contain
trace amounts of a Salmonella with
types not typically associated with
foodborne illnesses in the United States.
Additionally, and independently, the
Agency’s ability to directly enforce the
pathogen reduction performance
standards has been limited since 2001,
after a ruling by the U.S. Court of
Appeals for the Fifth Circuit in Supreme
Beef Processors, Inc. v. USDA, 275 F.3d
432 (5th Cir. 2001). In that case, the
court enjoined FSIS from suspending
inspection services against a meat
grinding operation for failure to meet
the Salmonella performance standards.
Since that time, FSIS has used
Salmonella performance standard
failures as a basis to conduct an indepth evaluation of the establishment’s
food safety systems, including its
HACCP plan and sanitation SOPs.
However, because Salmonella is not
currently considered an adulterant in
raw poultry, the Agency cannot
withhold the mark of inspection or
otherwise prevent products produced in
an establishment that has failed the
performance standards from entering
commerce based solely on the
establishment’s performance standard
results (75 FR 27288, 27293–4). This
proposal, on the other hand, would set
an enforceable final product standard
that prevents raw poultry products with
certain levels and types of Salmonella
contamination, which would be
classified as adulterants, from entering
the stream of commerce.
When FSIS initially established the
pathogen reduction Salmonella
performance standards in 1996, the
Agency noted that, except for E. coli
O157:H7, FSIS had not taken the
position that some amount of a
pathogen necessarily renders a raw meat
or poultry product unsafe and legally
adulterated (61 FR 38806, 38835). At the
time, the Agency believed that it was
constrained by the lack of a scientific
basis for determining the levels at which
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specific pathogens do or do not present
a safety hazard, and it also relied in part
on the fact that proper cooking kills
pathogens on raw product (60 FR 6774,
6799). Therefore, the initial pathogen
reduction performance standards were
based on a statistical evaluation of the
prevalence of bacteria in each
establishment’s products, measured
against the nationwide prevalence of the
bacteria in the same products (61 FR
38806, 38836). The Salmonella
performance standards were and still
are not used to determine whether
specific product lots are legally
adulterated. However, when FSIS
established the initial performance
standards, the Agency made clear that
‘‘as more research is done and more data
become available, and as more
sophisticated techniques are developed
for quantitative risk assessment for
microbiological agents, it may be
possible and appropriate to develop
performance standards that use a
different approach’’ (61 FR 38806,
38836).
Since FSIS implemented the
Salmonella performance standards, the
Agency has evaluated whether certain
types of Salmonella should be
considered as adulterants in raw meat
and poultry in response to petitions
submitted to the Agency in 2011, 2014,
and 2022. For example, in response to
two petitions submitted by CSPI in 2011
and 2014, FSIS evaluated whether
certain antibiotic-resistant (ABR)
Salmonella serotypes could be
considered as adulterants in raw meat
and raw poultry products under the
Federal Meat Inspection Act (FMIA) and
PPIA. The 2011 petition asked FSIS to
declare four strains of ABR Salmonella
as adulterants when found in ground
meats and poultry.63 FSIS denied the
2011 petition without prejudice on July
31, 2014. In its response, FSIS explained
that the data available at that time ‘‘did
not support giving the four strains of
ABR Salmonella identified in the
petition a different status as an
adulterant in raw ground beef and raw
ground poultry than Salmonella strains
that are susceptible to antibiotics.’’ 64
The response stated that additional data
on the characteristics of ABR
Salmonella are needed to determine
whether certain strains could qualify as
adulterants under the FMIA and PPIA.
63 CSPI petition #11–06 (May 25, 2011), ‘‘Petition
for an Interpretive Rule Declaring Specific Strains
of Antibiotic Resistant Salmonella to be Adulterants
Withing the Meaning or 21 U.S.C. 601(m)(1) and
(2)(a) and 21 U.S.C. 453(g)(1) and (2)(a).’’ FSIS final
response (July 31, 2014) at: https://
www.fsis.usda.gov/policy/petitions/petitionsubmitted-center-science-public-interest-0.
64 FSIS final response to petition #11–06, p. 1.
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The response also noted that because
the Agency’s denial was without
prejudice, the petitioner was not
precluded from submitting a revised
petition that includes additional
information to support the requested
action.
The CSPI 2014 petition was a refiling
of the 2011 petition and asked that FSIS
declare certain strains of ABR
Salmonella as adulterants in all meat
and poultry products based on evidence
attained since 2011 that, according to
the petition, demonstrates both ground
and intact poultry products are
associated with outbreaks from ABR
Salmonella.65 Based on the data
available at the time, FSIS denied the
2014 petition without prejudice on
February 7, 2018. In its response to the
petition, the Agency concluded that,
with respect to its status as an
adulterant, ‘‘Salmonella does not appear
to present the same issues as [E. coli
O157:H7], regardless of whether it is
resistant or susceptible to
antibiotics.’’ 66 Therefore, the Agency
stated that it ‘‘had no basis to conclude
that either ABR-Salmonella or non-ABR
Salmonella would render injurious to
health what consumers consider to be
properly cooked meat or poultry.’’ 67
As discussed above, FSIS also
considered whether certain Salmonella
serotypes should be considered as
adulterants in all meat and poultry
products in response to the January
2020 petition submitted by Marler Clark
LLP requesting FSIS to declare 31
Salmonella serotypes that have been
associated with foodborne illness
outbreaks to be adulterants of all meat
and poultry products.68 As noted above,
FSIS denied the petition without
prejudice. However, in its response, the
Agency explained that it believes that
an updated Salmonella strategy is
necessary to reduce Salmonella
illnesses associated with poultry
products and that FSIS had initiated
several activities designed to gather data
and information to inform and support
future actions related to Salmonella in
poultry. These activities were discussed
65 CSPI petition #14–01 (October 1, 2014),
‘‘Request for an Interpretive Rule Declaring Certain
Antibiotic-Resistant Strains of Salmonella to be
Adulterants’’ and FSIS final response (February 7,
2018) at: https://www.fsis.usda.gov/federal-register/
petitions/request-interpretive-rule-declaringcertain-antibiotic-resistant-strains.
66 FSIS final response to petition #14–06, p. 6.
67 FSIS final response to petition #14–06, p. 7.
68 Marler Clark LLP petition # 20–01 ‘‘Petition for
an Interpretive Rule Declaring ‘Outbreak’ Serotypes
of Salmonella enteritica subspecies to be
Adulterants’’ dated January 19, 2020. Available at:
https://www.fsis.usda.gov/policy/petitions/petitioninterpretive-rule-related-certain-Salmonellaserotypes.
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in the Background section of this
document.
Since FSIS denied the 2020 Marler
petition, many of the activities that were
initiated to inform an updated
Salmonella strategy have generated new
studies and information that FSIS has
determined support a revised approach
on the use of standards to address
Salmonella in final raw poultry
products. For example, after FSIS issued
the 2020 Marler petition denial, the
Agency completed its chicken carcass
exploratory sampling program,
NACMCF issued its final 2023 report,
FSIS completed the peer-reviewed 2023
risk profile as well as the peer-reviewed
2023 risk assessments for chicken and
turkey. The Agency also held the
November 3, 2022, public meeting and
received written and oral stakeholder
input on the proposed Salmonella
Framework that the Agency was
considering.
As part of Component Three of the
draft Salmonella Framework, FSIS
stated that it was assessing whether
certain levels and/or types of
Salmonella on raw poultry present an
elevated risk of causing human illness
such that they should be considered
adulterants. To evaluate the status of
Salmonella in raw poultry under the
PPIA, FSIS has considered stakeholder
input received in response to the draft
Salmonella Framework together with
the available scientific information on
Salmonella in poultry, including
recommendations in the 2023 NACMCF
report, the findings of the 2023 risk
profile, and the results of the 2023
quantitative risk assessments for
Salmonella in chicken and turkey.
Additionally, because FSIS has relied in
part on ordinary consumer cooking
practices to determine the status of
pathogens as adulterants in raw
products, the Agency also considered
the available consumer behavior
research to evaluate whether ordinary
consumer cooking and handling
practices are able to consistently
mitigate the risk associated with certain
raw poultry products contaminated with
certain levels and/or types of
Salmonella. Based on its evaluation of
scientific evidence, the Agency has
tentatively concluded that there are
certain raw poultry products and
Salmonella levels and serotype pairs
that have characteristics that distinguish
them from other raw products
contaminated with Salmonella. FSIS
has also tentatively determined that,
based on its evaluation of available
scientific evidence, Salmonella, when
present in these specific products at the
specified levels and serotypes, should
be considered as an adulterant.
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Accordingly, FSIS is proposing final
product standards that would define
whether certain raw poultry products
contaminated with certain Salmonella
levels and serotypes are adulterants as
defined in the PPIA. Specifically, FSIS
had tentatively determined that chicken
carcasses, chicken parts, comminuted
chicken, and comminuted turkey are
adulterated if they contain Salmonella
at or above 10 cfu/per milliliter or gram
(10 cfu/mL(g)) in analytical portion (i.e.,
mL of rinsate or gram of product) and
contain any detectable level of at least
one of the Salmonella serotypes of
public health significance identified for
that product. The Salmonella serotypes
of public health significance identified
for chicken carcasses, chicken parts, and
comminuted chicken are Enteritidis,
Typhimurium, and I 4,[5],12:i:- and for
comminuted turkey are Hadar,
Typhimurium, and Muenchen. As
discussed below, these serotypes were
the three most highly virulent serotypes
associated with a commodity identified
in the 2023 risk assessments. The
Salmonella serotypes of public health
significance will likely change over time
as the serotypes commonly associated
with human illnesses change. FSIS will
continue to track annual targets for
reducing the proportion of poultry
samples that contain Salmonella
serotypes of public health significance,
as well as data on rates for serotypes
commonly associated with human
illness to inform future revisions to the
Salmonella serotypes of public health
significance. FSIS would publicly
announce and request comments on any
changes to the serotypes of public
health significance in the Federal
Register. Additionally, should FSIS
finalize the proposed final product
standards, the Agency intends to further
evaluate and, if necessary, refine these
standards as advances in science and
technology related to pathogen levels,
serotypes, and virulence genes become
available. As discussed above, if FSIS
finalizes the proposed final product
standards, the Agency intends to reevaluate the serotypes of public health
concern every 3–5 years at a minimum
and whenever new information on
Salmonella serotypes associated with
human illness become available.
Under this proposed determination,
chicken parts subject to the final
product standards would include legs,
breasts, wings, thighs, quarters, and
halves. FSIS is not proposing final
product standards for turkey carcasses
or parts because historically there have
been very few Salmonella-positive
detections in turkey carcasses.
Additionally, the Agency does not
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quantify Salmonella on turkey carcass
sponge samples and has never had a
Salmonella verification sampling
program for turkey parts. Thus, it was
not possible for the 2023 turkey risk
assessment to assess the risk
management questions for turkey parts
or provide a robust assessment on final
product standards for turkey carcasses
that FSIS could use to inform the
development of final product standards
for these products.
The basis for the proposed final
product standards and FSIS’ proposed
determination that products that contain
the Salmonella levels and serotypes
identified in the proposed final product
standards are adulterated is discussed
below.
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B. Pathogens as Adulterants in Raw and
Not-Ready-To Eat Meat and Poultry
Products
Under the FMIA (21 U.S.C. 601 et
seq.) and the PPIA (21 U.S.C 451 et
seq.), a meat or poultry product is
adulterated if, among other
circumstances, ‘‘it bears or contains any
poisonous or deleterious substance
which may render it injurious to health;
but in case the substance is not an
added substance, such article shall not
be considered adulterated . . . if the
quantity of such substance in or on such
article does not ordinarily render it
injurious to health’’ (21 U.S.C.
601(m)(1); 21 U.S.C. 453(g)(1)). Meat
and poultry products are also
adulterated if they are ‘‘unsound,
unhealthful, unwholesome, or otherwise
unfit for human food’’ (21 U.S.C.
601(m)(3)); 21 U.S.C. 453(g)(3)).
Historically, most foodborne
pathogens, including Salmonella, have
not been considered as adulterants of
raw and other NRTE meat and poultry
products based on the assumption that
ordinary cooking is generally sufficient
to destroy the pathogens.69 70 One
exception to date is E. coli O157:H:7 and
certain non-O157 Shiga toxin-producing
Escherichia coli (STEC) in raw, non69 See proposed rule ‘‘Pathogen Reduction;
Hazard Analysis and Critical Control Point
(HACCP) Systems,’’ February 4, 1993 (60 FR 6774
at 6798–6799) and final rule ‘‘Pathogen Reduction;
Hazard Analysis and Critical Control Point
(HACCP) Systems,’’ July 25, 1996 (61 FR 38806 at
38835.) See also Amer. Public Health Ass’n v. Butz,
511 F.2d 331 (U.S. App. DC, 1974).
70 When raw meat or poultry products are
associated with an illness outbreak and contain
pathogens that are not considered adulterants in
those products, FSIS considers the product linked
to the illness outbreak to be adulterated under 21
U.S.C. 601(m)(3) or 453(g)(3) because the product is
‘‘. . . unsound, unhealthful, unwholesome, or
otherwise unfit for human food’’ (77 FR 72681,
72689 (Dec. 6, 2012). Products that contain an
adulterant are considered adulterated under 21
U.S.C. 601(m)(1) or 453(g)(1) even if they are not
linked to an illness outbreak.
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intact beef products and intact cuts that
are to be further processed into nonintact products before being distributed
for consumption. These pathogens are
considered adulterants in these specific
raw products because they render
‘‘injurious to health’’ what many
consumers believe to be properly
cooked non-intact beef products.71 FSIS
had also determined that when
contaminated with these pathogens,
raw, non-intact beef products are
‘‘unhealthful, unwholesome, and
otherwise unfit for human food.’’ 72
When FSIS determined that certain
STEC are adulterants in non-intact raw
beef products, the Agency identified
characteristics associated with both the
pathogen and the product that
distinguish them from other raw
products contaminated with other
pathogens. Specially, FSIS considered
that these STEC had been associated
with illnesses and outbreaks, have a
relatively low infectious dose, cause
serious human illness, and can survive
what many consumers consider to be
ordinary preparation and cooking
practices of non-intact beef products.
As discussed above, on May 1, 2024,
FSIS published a final determination to
declare that NRTE breaded stuffed
chicken products that contain
Salmonella at levels of 1 cfu/g or higher
are adulterated within the meaning of
the PPIA.73 In that determination, FSIS
stated that while certain STEC have
been the only pathogens to date that are
considered adulterants in a raw product,
certain other pathogens may also exhibit
characteristics that would meet the
standard to be considered as adulterants
in a specific raw product. In the
proposed determination, FSIS also
stated that if the Agency became aware
of evidence to show that a specific
pathogen and product pair presents a
significant public health risk, it would
consider the factors it identified to
distinguish certain STEC from other
pathogens as adulterants in certain raw
beef products to determine the
pathogen’s status as an adulterant, i.e.,
pathogen serogroups or types associated
with human illnesses; pathogen
infectious dose; pathogen and serious
human illnesses; and traditional or
ordinary cooking practices. After
applying these factors to Salmonella in
NRTE breaded stuffed chicken products,
FSIS decided to declare that NRTE
71 See Texas Food Industry Association v. Espy,
870 F. Supp. 143 (1994).
72 Shiga-Toxin Producing Escherichia coli in
Certain Raw Beef Products (76 FR 58157, 58159).
73 Salmonella in Not-Ready-To-Eat Breaded
Stuffed Chicken Products; May 1, 2024 (89 FR
35033) at: https://www.fsis.usda.gov/sites/default/
files/media_file/documents/FSIS-2022-0013F.pdf.
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breaded stuffed chicken products that
contain Salmonella at levels of 1 cfu/g
or higher are adulterated within the
meaning of the PPIA.
Specifically, FSIS determined that
NRTE breaded stuffed chicken products
that contain Salmonella at 1 cfu/g or
higher are adulterated under 21 U.S.C.
453 (g)(1) because, in these particular
products, Salmonella is an added
substance that may render them
injurious to health (89 FR 35034–
35035). FSIS also determined that
Salmonella at 1 cfu/g in NRTE breaded
stuffed chicken meets the more stringent
‘‘ordinarily injurious to health’’
standard for substances that are not
added as provided in 21 U.S.C.
453(g)(1)) (89 FR 35035). Finally, FSIS
determined that NRTE breaded stuffed
chicken products contaminated with
Salmonella at levels of 1 cfu/g or higher
present a serious risk of causing
Salmonella illnesses and that this
elevated risk of illness makes them
‘‘unhealthful, unwholesome, or
otherwise unfit for human food’’ as
defined in 21 U.S.C. 453(g)(3) (89 FR
35037).
C. The Adulteration Standard for Raw
Poultry Products
Consistent with its approach used to
determine the status of certain STEC in
certain raw beef products and to
determine the status of Salmonella at
certain levels in NRTE breaded stuffed
chicken products, FSIS has evaluated
the available information on Salmonella
serotypes associated with human
illnesses, the Salmonella infectious
dose, the severity of human illnesses
caused by Salmonella, and ordinary
consumer preparation practices
associated with these raw poultry
products to assess the status of
Salmonella in chicken carcasses,
chicken parts, comminuted chicken,
and comminuted turkey. Based on this
evaluation, FSIS is proposing final
product standards for levels and
serotypes of Salmonella in chicken
carcasses, chicken parts, comminuted
chicken, and comminuted turkey. FSIS
has also tentatively determined that
chicken carcasses, chicken parts,
comminuted chicken, and comminuted
turkey that contain the Salmonella
levels and serotypes identified in the
final product standard are adulterated as
defined in the PPIA because they
contain a poisonous or deleterious
substance that renders them ‘‘injurious
to health’’ as defined in 21 U.S.C.
453(g)(1). Additionally, FSIS has
tentatively determined that chicken
carcasses, chicken parts, comminuted
chicken, and comminuted turkey that
contain the Salmonella levels and
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serotypes identified in the final product
standards are adulterated as defined in
21 U.S.C. 453(g)(3) because their
elevated risk of illness makes them
‘‘unhealthful, unwholesome, or
otherwise unfit for human food.’’ 74 The
basis for this tentative determination is
discussed below.
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1. Pathogen Serogroups or Types
Associated With Human Illness
Approximately 2,500 Salmonella
serotypes have been identified,75 though
not all serotypes have been isolated
from poultry. Most human infections
have been epidemiologically linked to
fewer than 100 serotypes. Almost all
strains of Salmonella are pathogenic as
they can invade, replicate and survive
in human host cells, resulting in
potentially fatal disease,76 though not
all are equally likely to cause illness. To
evaluate which Salmonella serotypes
are most likely to be associated with
human illness, FSIS considered
information from the 2023 NACMCF
report, the 2023 risk profile, and the
2023 risk assessments.
NACMCF report. In the 2023
NACMCF report, the committee
considered how foodborne illness
surveillance data on human Salmonella
illnesses, data from foodborne outbreaks
associated with Salmonella in poultry,
74 Under 21 U.S.C. 601(m)(3) of the FMIA and 21
U.S.C. 453(g)(3) of the PPIA, a meat or poultry
product is adulterated ‘‘if it consists in whole or in
part of any filthy, putrid, or decomposed substance
or is for any other reason unsound, unhealthful,
unwholesome, or otherwise unfit for human food.’’
Historically, FSIS has interpreted the phrase ‘‘is for
any other reason unsound, unhealthful, or
otherwise unfit for human food’’ as providing a
separate basis for adulteration than consists of ‘‘any
filthy, putrid, or decomposed substance.’’ Thus,
meat or poultry products that FSIS has determined
are ‘‘otherwise unfit for human food’’ within the
meaning of 21 U.S.C. 601(m)(3) and 21 U.S.C.
453(g)(3) do not also need to consist ‘‘in whole or
in part of any filthy, putrid, or decomposed
substance.’’ For example, when raw meat or poultry
products are associated with an illness outbreak but
contain pathogens that are not considered
adulterants in raw products, FSIS has found
products linked to the illness outbreak to be
adulterated under 21 U.S.C. 601(m)(3) or 21 U.S.C.
453(g)(3) because they are ‘‘unsound, unhealthful,
unwholesome or otherwise unfit for human food’’
(77 FR 72689). FSIS has also determined that
certain materials from cattle as well as the carcasses
of non-ambulatory disabled cattle are adulterated
because they present a sufficient risk of exposing
humans to the bovine spongiform encephalopathy
agent such as to render them ‘‘unfit for human
food’’ under 21 U.S.C. 601(m)(3) (69 FR 1862).
75 Brenner FW, Villar RG, Angulo FJ, Tauxe R,
Swaminathan B. Salmonella nomenclature. J Clin
Microbiol. 2000 Jul;38(7):2465–7. doi: 10.1128/
JCM.38.7.2465–2467.2000. PMID: 10878026;
PMCID: PMC86943.
76 Shu-Kee Eng, Priyia Pusparajah, NurulSyakima Ab Mutalib, Hooi-Leng Ser, Kok-Gan Chan
& Learn-Han Lee (2015) Salmonella: A review on
pathogenesis, epidemiology and antibiotic
resistance, Frontiers in Life Science, 8:3, 284–293,
DOI: 10.1080/21553769.2015.1051243.
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and data on Salmonella serotypes in
poultry products can be used to identify
the Salmonella serotypes of greatest
public health concern associated with
specific poultry products. The report
stated that the relevant serotypes of
greatest public health concern are those
that are common causes of reported
human illness, are present in poultry,
and are transmitted through foods. The
report noted that CDC surveillance
provides data on the frequency of
diagnosed illness caused by each
serotype and that FSIS data from
slaughterhouses and retail surveys can
confirm the presence and frequency of
serotypes in raw poultry. The report
also concluded that outbreak
investigations of foodborne
salmonellosis can provide direct
evidence that foodborne transmission of
a particular serotype occurs.
The NACMCF report noted that
several approaches have been used to
attribute human salmonellosis to
specific foods and sources. These
include case-control studies, analysis of
reported foodborne outbreaks, and most
recently, source attribution based on
WGS genotyping. The report concluded
that attribution based on outbreak data
and on genotype both give the greatest
weight to data from the most recent
years. NACMCF found that poultry is
the leading source of human
salmonellosis, based on both reported
outbreaks and genotype-based
attribution methods. The committee also
stated that these data show that a small
number of serotypes account for most
poultry-associated salmonellosis led by
Enteritidis, Typhimurium, I:4,5,12:i:-,
Infantis, and Heidelberg, and even fewer
serogroups: groups O:4 (formerly group
B), O:7 (group C1), and O:9 (group D1).
Risk profile. In the 2023 risk profile,
FSIS conducted a review of all
information on Salmonella outbreaks
reported in the CDC National Outbreak
Reporting System (NORS), PubMed, and
the web pages FSIS uses for maintaining
records on outbreak investigations to
determine which Salmonella serotypes
or subtypes are linked to foodborne
illnesses or outbreaks from consuming
specific raw and NRTE chicken or
turkey products. From these data
sources, the risk profile identified 210
foodborne Salmonella outbreaks linked
to poultry products between 1998 and
2020. Of these 210 foodborne
Salmonella outbreaks, 84.8 percent
(178/210) were linked to chicken
products and 15.2 percent (32/210) to
turkey products. Serotype information
was available for 93.3 percent (196/210)
of these outbreaks, including 2.4 percent
(5/210) associated with multiple
serotypes.
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For the purposes of the risk profile,
Salmonella subtypes associated with
human illness outbreaks attributed to
consuming chicken or turkey are
referred to as ‘‘subtypes of concern.’’
The 196 outbreaks in which serotype
information was available involved 32
subtypes of concern. Seventeen
serotypes of concern were only linked to
chicken products. One serotype of
concern, Reading, was linked to a turkey
product but not to chicken. There were
10 serotypes linked to both chicken and
turkey products.
According to the data compiled for
the risk profile, the 210 outbreaks
include 7,018 illnesses, 1,202
hospitalizations, and 10 deaths
attributed to poultry products. When
considering outbreaks associated with
either chicken or turkey products, nine
serotypes accounted for 85 percent
(5,794/7,018) of illnesses. Each of these
subtypes caused 200 or more outbreak
associated illnesses in chicken and/or
turkey from 1998–2020. The top seven
subtypes associated with chicken were
Enteritidis, Heidelberg, Typhimurium, I
4,[5],12:i:-, Montevideo, Thompson, and
Infantis. The top four subtypes
associated with turkey were Enteritidis,
Reading, Muenchen, and Heidelberg.
The most common subtypes of concern
associated with poultry products overall
were Enteritidis, Heidelberg,
Typhimurium, and I 4,[5],12:i:-.
Risk assessments. The chicken and
turkey risk assessments leveraged FSIS’
2023 risk profile to identify Salmonella
serotypes in chicken and turkey linked
to foodborne illness and adopted the
guidance on risk assessment
recommendations from the 2023
NACMCF report. FSIS developed a
probabilistic risk assessment model
describing current Salmonella
contamination in raw poultry products
and the potential human exposure
through consumption of servings
derived from these raw products. Data
from FSIS microbiological baseline
studies, routine PR/HACCP sampling,
and exploratory sampling programs
were used to describe Salmonella in
chicken carcasses, fabricated chicken
parts, and comminuted chicken and
turkey products. FSIS partnered with
EpiX Analytics through a Cooperative
Agreement with the University of
Maryland to incorporate genomics into
the risk assessment models developed
by FSIS. FSIS selected the grouping of
serotypes into two ‘‘clusters’’ (i.e.,
‘‘higher virulence’’ and ‘‘lower
virulence’’) based on the virulence
profiles, exposure in food, and
foodborne epidemiological data and
EpiX Analytics then derived two
virulence-adjusted Salmonella dose-
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response models.77 FSIS used these
dose-response models in its quantitative
risk assessment models for Salmonella
in chicken and turkey. FSIS assessed
public health benefits, in terms of
annual illnesses prevented, by modeling
the impact of removal of lots with
Salmonella at or above a certain level or
with certain serotypes and simulated
the probability of illness per serving.
The analysis in the chicken risk
assessment found the probability of
illness from chicken contaminated with
‘‘higher virulence’’ serotypes exposures
is 5.66 times larger than the probability
of illness from chicken contaminated
with ‘‘lower virulence’’ serotypes. In
FSIS sampling, the average annual
percentage of ‘‘higher virulence’’
serotypes is approximately 26 percent
for chicken carcasses, 32 percent for
comminuted chicken product, and 35
percent for chicken parts. The chicken
risk assessment identified Enteritidis,
Typhimurium, I 4,[5], 12:i:-, Hadar, and
Litchfield as the five most frequent
‘‘higher virulence’’ serotypes in chicken.
The chicken risk assessment identified
Kentucky, Infantis, Schwarzengrund,
Heidelberg, and Thompson as the five
most frequent ‘‘lower virulence’’
serotypes in chicken.
The analysis in the turkey risk
assessment found there are 49 different
serotypes in comminuted turkey
products, as compared to only 19
serotypes isolated on turkey carcasses in
the Agency’s pathogen reduction
Salmonella sampling program. Reading
and Hadar ranked as the top two in both
carcasses and comminuted, comprising
more than 30 percent of the serotype
samples for each commodity. Hadar was
also observed most often in the FSIS
microbiological baseline studies for
Salmonella in turkey 78 and appeared in
the top ten CDC FoodNet annual
summary from 2020.79
The turkey risk assessment identified
Hadar, I 4,[5], 12:i: -, Muenchen
Typhimurium, and Saintpaul as the five
most frequent ‘‘higher virulence’’
serotypes in turkey. The turkey risk
assessment identified Reading, Infantis,
Schwarzengrund, Uganda, and Agona as
the five most frequent ‘‘lower virulence’’
serotypes in turkey.
The list of serotypes of public health
significance is highly important for this
77 Full details of the EpiX Analytics methodology
are provided in Appendix A of the chicken Risk
Assessment in the report entitled ‘‘Using genomics
to identify nontyphoidal Salmonella serovars of
concern and estimating dose-response models
amenable to risk assessments in poultry.’’
78 National Microbiological Baseline Data
Collection Program: Young Turkey Survey available
at: https://www.fsis.usda.gov/node/1972
79 CDC FoodNet Reports available at: https://
www.cdc.gov/foodnet/reports/.
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framework, as it determines whether
products are adulterated as defined in
the PPIA. FSIS recognizes that science
constantly evolves and therefore our
understanding of virulence and other
factors will evolve over time.
The FSIS risk assessments utilized
bioinformatic tools and methods for
clustering Salmonella serotypes, and an
optimized new dose-response model
developed by EpiX Analytics. This
model was genomically validated, and
results corresponded with other
standard bioinformatic techniques
differentiating serotypes based on
lineage features. Genomic virulence
factors were used for the initial
grouping of serotypes and the higher
virulence serotypes of public health
significance were validated by CDC
illness outcome data and FSIS sampling
data. FSIS did not rely solely on the
genomic component of the risk
assessment model to determine the list
of serotypes of public health
significance. FSIS developed a cohesive
risk model that incorporates virulence
factors, epidemiological outcomes, and
frequency of exposure and conducted
sensitivity and uncertainty analyses of
the full model and the virulence
component. FSIS requests comments on
the full risk model and the uncertainty
and sensitivity analyses, whether they
are fit for the purpose of determining
the serotypes of public health
significance, and what model
adjustments or other approaches FSIS
should consider in the determination to
adapt to evolving data, technology, and
analytical methods.
FSIS recognizes that science
consistently evolves, and therefore the
Agency’s understanding of virulence
and other factors will evolve over time.
Because the scientific understanding of
virulence and other relevant factors
evolves, FSIS is requesting comments
on whether the EpiX Analytics serotype
clustering and dose-response
adjustment (i.e., risk multiplier) used
the best available data and genetic
factors relevant to Salmonella risk and
contamination in the United States
poultry population. Additionally, FSIS
is requesting comment on potential
improvements to the serotype clustering
robustness analysis and the risk
multiplier sensitivity analysis.
Final product standards serotypes of
public health significance. As noted
above, as part of USDA’s strategic and
performance planning process for
FY2022–2026, FSIS established a new
KPI targeted to reduce the proportion of
FSIS poultry samples with Salmonella
serotypes commonly associated with
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human illnesses.80 The KPI serotype list
was determined using summary
statistics, namely comparison of
historical Agency sampling data for
poultry products and CDC FoodNet data
to determine the Salmonella serotypes
commonly associated with human
illness. It is important to note that the
KPI is used as an internal performance
measure for FSIS, which is not intended
to assess industry performance, and, as
such, was not externally peer reviewed.
FSIS’ analysis found that these
serotypes are Infantis, Enteritidis, and
Typhimurium. Thus, FSIS selected
these serotypes as a KPI target for all
raw poultry.
When developing the proposed final
product standards, FSIS considered
incorporating the KPI serotypes as the
‘‘serotypes of public health
significance’’ as suggested by some of
the comments on the initial draft
Salmonella Framework. However, after
evaluating the information on serotypes
discussed above, FSIS concluded that,
while the KPI serotypes are useful for
strategic and performance planning
purposes, the KPI was not a robust
scientific tool by which to identify
serotypes of public health concern as
adulterants. Further, the KPI identified
serotypes of public health concern for
poultry as a whole, and not by
individual product (chicken v. turkey).
The KPI does not reflect the serotypes
most commonly associated with
illnesses from turkey, and the chicken
risk assessment determined that Infantis
is not a highly virulent serotype.
Therefore, instead of proposing
serotypes of public health significance
based solely on the KPI criteria, FSIS
has decided that the proposed serotypes
of public health significance should be
based on a thorough review of multiple
FSIS scientific analyses in this area,
including the 2023 NACMCF report, the
externally peer-reviewed 2023 risk
profile, and the two externally peerreviewed risk assessments. Based on
consideration of these scientific efforts,
these serotypes are Enteritidis,
Typhimurium, and I 4,[5],12:i:- for
chicken carcasses, chicken parts, and
comminuted chicken, and Hadar,
Typhimurium, and Muenchen for
comminuted turkey. FSIS has
determined that these serotypes more
accurately reflect serotypes most likely
80 FY2022–2024 Food Safety Key Performance
Indicator. Available at: https://www.fsis.usda.gov/
inspection/inspection-programs/inspection-poultryproducts/reducing-salmonella-poultry/salmonella0#:∼:text=FY%202022-2026%20Food
%20Safety%20Key%20Performance%20Indicator
%20A,the%20USDA%20Fiscal%20Year
%20%28FY%29%202022-2026
%20Strategic%20Plan.
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to cause illnesses because they are based
on the same epidemiological evidence
used in the risk profile and the 2023
NACMCF report, but pivotally also
include analyses conducted in the risk
assessments, which includes an
additional analysis of virulence factors,
epidemiological outcomes, and
frequency of exposure.
The 2023 NACMCF report, the 2023
risk profile, and the Agency’s KPI all
identify Infantis as among the serotypes
commonly associated with poultryrelated illnesses, the scientific evidence
does not support that the rising trend in
Infantis illnesses is associated with
chicken consumption. The emergence of
Infantis in FSIS chicken sampling in
2016 did not correspond to a
proportional increase in human Infantis
illnesses, which have been on the rise
in the United States since 2010.81 Put
another way, given the volume of
chicken consumed by the American
public—much of which is contaminated
with Infantis—if it were a high-risk
poultry serotype, we would predict
more Infantis illnesses. Furthermore, the
2023 chicken risk assessment, which
used published genomic methods,82
also determined that Infantis is less
virulent than many other serotypes with
the exception of Kentucky.
Additionally, the risk profile found that
Infantis accounted for 2 percent of
outbreaks identified in the CDC NORS,
while I 4,[5],12:i:- accounted for 4.1
percent of those outbreaks.
However, FSIS is aware Salmonella
Infantis remains of considerable concern
in terms of potential severity of illness 83
and antimicrobial resistance, as can be
observed in its routine inclusion in
national lists of top serotypes by
outbreak numbers and sporadic case
counts.84 CDC estimates that the
81 NACMCF final report ‘‘Response to Questions
Posed by the Food Safety and Inspection Service:
Enhancing Salmonella Control in Poultry Products’’
(March 2023).
82 Fenske GJ, Pouzou JG, Pouillot R, Taylor DD,
Costard S, Zagmutt FJ. The genomic and
epidemiological virulence patterns of Salmonella
enterica serovars in the United States. PLoS One.
2023 Dec 5;18(12):e0294624. doi: 10.1371/
journal.pone.0294624. PMID: 38051743; PMCID:
PMC10697515.
83 FSIS is aware only of results on Infantis
severity of illness that reinforce it is not a high risk
serotype: Brown AC, Chen JC, Watkins LK, et al.
CTX–M–65 Extended-Spectrum b-Lactamase–
Producing Salmonella enterica Serotype Infantis,
United States. Emerging Infectious Diseases.
2018;24(12):2284–2291. doi:10.3201/
eid2412.180500.
84 Centers for Disease Control and Prevention
(CDC). BEAM (Bacteria, Enterics, Amoeba, and
Mycotics) Dashboard. Atlanta, Georgia: U.S.
Department of Health and Human Services.
www.cdc.gov/ncezid/dfwed/BEAM-dashboard.html.
Accessed 06/07/2024.; Centers for Disease Control
and Prevention (CDC). National Outbreak Reporting
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serotypes of public health significance
represent 66 percent of outbreaks and 68
percent of outbreak-associated illnesses
in the past five years of outbreak data;
including Infantis as a fourth serotype
increases these figures to 75 percent and
79 percent, respectively.85 Given the
notable concern of the Salmonella
Infantis REPJFX01 strain raised by the
CDC and other public health experts,
FSIS is requesting comment on the
possible inclusion of Infantis as a
serotype of public health significance.
As discussed above, FSIS was not able
to validate that chicken consumption is
the major direct driver of the increased
Infantis rates and is additionally asking
for comment on scientific studies and
data sources on this topic that are in
line with regulatory evidence
guidelines.
As research into Salmonella virulence
factors and their gene functions
continues to develop, clustering should
be revisited to ensure reliability and
consistency. FSIS took care to align the
virulence modeling in the risk
assessments with epidemiological and
clinical patterns in surveillance data:
however, current bioinformatics
methods are based on the serotypes that
have been the consistently highest
illness causes (Enteriditis and
Typhimurium) across time rather than
the full genetic landscape of
Salmonella. Furthermore, lower
virulence serotypes can still outcompete
higher virulence serotypes and pose
public health risks. As noted above, the
list of serotypes of public health
significance is essential to this
framework, as it determines whether
products are adulterated as defined in
the PPIA. FSIS requests comments on
the initial proposed serotypes of public
health significance and what scientific
evidence and genetic Salmonella data
sources beyond the most often studied
serotypes should be considered, in
addition to that already considered, in
the identification of the most highly
System Dashboard. Atlanta, Georgia: U.S.
Department of Health and Human Services, CDC.
Last accessed 06/07/2024. Available from URL:
wwwn.cdc.gov/norsdashboard.; Centers for Disease
Control and Prevention (CDC). FoodNet Fast
Dashboard. Atlanta, Georgia: U.S. Department of
Health and Human Services, CDC. Last accessed 06/
07/2024. Available from URL: https://www.cdc.gov/
foodnet/foodnet-fast.html.
85 These estimates are based a CDC pilot analysis
of data (CDC unpublished data) presented in 2023
to the National Advisory Committee on
Microbiological Criteria for Foods. See: NACMCF
final report ‘‘Response to Questions Posed by the
Food Safety and Inspection Service: Enhancing
Salmonella Control in Poultry Products’’ (March 13,
2023), available at: https://www.fsis.usda.gov/
policy/advisory-committees/national-advisorycommittee-microbiological-criteria-foods-nacmcf/
2021.
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virulent serotypes identified in the risk
assessments, which includes a thorough
review of multiple FSIS efforts in this
area, including the 2023 NACMCF
report and the externally peer reviewed
2023 risk profile.
2. Dose Considerations
As summarized in the 2023 risk
profile, although Salmonella data are
limited, international and domestic
outbreak investigations associated with
a variety of food products have been
used to estimate the relationship
between the number of organisms
consumed and the probability of illness.
These estimates, and more broadly the
emergence of dose-response modeling
and quantitative risk assessment over
the past 25 years, are all based on the
concept that a single bacterium is all
that is necessary to cause infection and/
or illness, that is to say the single-hit
model.86 FSIS’ evaluation and
summarization of dose-response
models, as well as analysis of outbreak
data where estimates for the number of
organisms consumed were available,
demonstrate that the scientific
consensus is that exposure to a small
number of Salmonella organisms can
result in foodborne illness.
In a study published in 2010 (the
Teunis 2010 study), and included in the
2023 risk profile, using a dose-response
model approach utilizing outbreak data,
and accounting for variation among
outbreaks represented by the data, the
Salmonella median illness dose was 36
cfus (with 95 percent prediction interval
of 0.69–1.26×107 cfu).87 The median
illness dose refers to the dose at which
50 percent of individuals in an exposed
population will experience symptomatic
illness. The median illness dose and its
prediction interval reflect variability
among outbreak strains and exposed
populations and uncertainty about the
dose-response relationship. Thus, it
serves as a useful metric for comparing
the pathogenicity of different serotypes.
Additionally, the World Health
Organization Food and Agriculture
Organization of the United Nations
developed a dose-response approach for
risk assessments for Salmonella.88 Also
86 Teunis, P.F., & Havelaar, A.H. (2000). The Beta
Poisson dose-response model is not a single-hit
model. Risk analysis: an official publication of the
Society for Risk Analysis, 20(4), 513–520. https://
doi.org/10.1111/0272-4332.204048.
87 Teunis P.F., et al., Dose-response modeling of
Salmonella using outbreak data. Int J Food
Microbiol, 2010. 144(2): p. 243–9; https://doi.org/
10.1016/j.ijfoodmicro.2010.09.026.
88 World Health Organization, Risk assessment of
Salmonella in eggs and broiler chickens, March 25,
2002. Available at: https://www.who.int/
publications/i/item/9291562293.
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using outbreaks, the model estimated a
13 percent chance of becoming ill if
ingesting an average dose of 100
organisms. Even at the level of 1
organism ingested, there was still a nonzero chance of illness (0.25 percent).
A study published after the 2023 FSIS
risk profile was peer-reviewed revisited
the 2010 Teunis study discussed
above.89 Using outbreak serotype data,
and accounting for variation among
outbreaks within a particular serotype,
the median Salmonella dose predicted
to result in 50 percent of exposed
individuals becoming ill (IllD50) was
3,360 cfu (95 percent range: 18–
3.2×109), 1,500 cfu (38–8.8×107), and 1
cfu (0.69–1.0×106) for Enteritidis,
Typhimurium and Infantis, respectively.
For the same study, the median
Salmonella dose predicted to result in 1
percent of exposed individuals
becoming ill (IllD01) was 0.6 cfu (95
percent range: 0.24–1.9), 9.9 cfu (0.32–
57), and 0.07 cfu (0.01–2.0×104) for
Enteritidis, Typhimurium and Infantis,
respectively. These results describe that
individuals exposed to small doses of
Salmonella can experience symptomatic
illness. Other Salmonella serotypes
were also found to cause illness at small
doses including Heidelberg (IllD50=323
cfu and IllD01=1 cfu) and
Schwarzengrund (IllD50=0.8 cfu and
IllD01=0.04 cfu).
Furthermore, the 2023 FSIS risk
assessments developed two virulenceadjusted dose-response models (one for
low virulence Salmonella serotypes,
and another for high virulence
Salmonella serotypes), which utilize the
work described in the 2023 FSIS risk
profile to poultry specific serotypes. The
high virulence dose-response model
(which includes the serotypes of public
health significance) was estimated using
outbreak data and employed a betaPoisson model of infection for a given
dose as outlined in the 2023 risk profile.
Risk multipliers, derived from
epidemiological outbreak data attributed
to poultry sources, with consideration of
prevalence in animal sources from FSIS
poultry sampling programs, were then
used to scale the relative risk of illness
from exposures to each cluster. The
probability of illness from consuming
chicken containing high virulence
Salmonella serotypes exposures is 5.66
times greater than the probability of
illness from exposure to chicken
products containing low virulence
Salmonella serotypes. The doseresponse findings of the 2023 risk
89 Teunis P.F.M. Dose response for Salmonella
Typhimurium and Enteritidis and other nontyphoid
enteric salmonellae. Epidemics 41 (2022) 100653;
https://doi.org/10.1016/j.epidem.2022.100653.
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assessment rely on the single-hit model,
and the virulence adjusted doseresponse models estimate of a 1 in 100
probability of illness at 1 cfu of high
virulence Salmonella per serving and a
0.2 in 100 probability of illnesses at 1
cfu of low virulence Salmonella per
serving. While the median illness is not
attained by the low virulence
Salmonella dose response model, the
median illness dose described by the
dose-response model for serotypes of
public health significance is
approximately 2000 cfu.
As summarized in the 2023 risk
profile, five Salmonella foodborne
outbreaks have shown that Salmonella
can cause illness from exposure of 10 or
fewer organisms per
person.90Additionally, several outbreaks
from a range of Salmonella serotypes in
various food products have shown that
exposure from 11 to 420 organisms per
person can result in illness.91 Thus, in
90 Killalea,
D., et al., International
Epidemiological and Microbiological Study of
Outbreak of Salmonella Agona Infection from a
Ready to Eat Savoury Snack—I: England and Wales
and the United States. 1996, British Medical Journal
Publishing Group.; Shohat, T., et al., International
Epidemiological and Microbiological Study of
Outbreak of Salmonella Agona Infection from a
Ready to Eat Savoury Snack—Ii: Israel. BMJ, 1996.
313(7065): p. 1107–1109.; D’aoust, J.Y. and J.Y.D.
Aoust, Infective Dose of Salmonella Typhimurium
in Cheddar Cheese. American Journal of
Epidemiology, 1985. 122(4): p. 717–720.; D’aoust,
J.Y., D.W. Warburton, and A.M. Sewell, Salmonella
Typhimurium Phage-Type 10 from Cheddar Cheese
Implicated in a Major Canadian Foodborne
Outbreak. Journal of Food Protection, 1985. 48(12):
p. 1062–1066.; Kapperud, G., et al., Outbreak of
Salmonella Typhimurium Infection Traced to
Contaminated Chocolate and Caused by a Strain
Lacking the 60-Megadalton Virulence Plasmid. J
Clin Microbiol, 1990. 28(12): p. 2597–601.; Hockin,
J.C. et al., An International Outbreak of Salmonella
Nima from Imported Chocolate. J Food Prot. 1989.
52(1): p. 51–54.; Lehmacher, A., Bockemuhl, J., and
Aleksic. S. Nationwide outbreak of human
salmonellosis in Germany due to contaminated
paprika and paprika-powdered potato chips. 1995.
Epidemiol Infect. 115: p. 501–11.
91 Kasuga F.et al., Archiving of food samples from
restaurants and caterers—Quantitative profiling of
outbreaks of foodborne Salmonella in Japan. Journal
of Food Protection, 2004. 67: p. 2024–2032; Blaser,
M.J., and Newman, L.S. A review of human
salmonellosis: I. Infective dose. Rev Infect Dis.,
1982.4: p.1096–106; Abe, K., N. et al., Prolonged
incubation period of Salmonellosis associated with
low bacterial doses. Journal of food protection,
2004. 67: p. 2735–2740; Hara-Kudo, Y. and K.
Takatori, Contamination level and ingestion dose of
foodborne pathogens associated with infections.
Epidemiology and Infection, 2011. 139: p. 1505–
1510; Hennessy T.W., et al., A national outbreak of
Salmonella enteritidis infections from ice cream. N
Engl J Med, 1996. 334(20): p. 1281–6; Hedberg C.W.,
et al., A multistate outbreak of Salmonella javiana
and Salmonella oranienburg infections due to
consumption of contaminated cheese. JAMA, 1992.
268(22): p. 3203–7; Todd, E.C., et al., Outbreaks
where food workers have been implicated in the
spread of foodborne disease. Part 4. Infective doses
and pathogen carriage. J Food Prot, 2004. 71: p.
2339–73; Scheil W., et al., A South Australian
Mdbandaka outbreak investigation using a database
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these published studies, illnesses
resulted from doses ranging from 1 to
420 Salmonella organisms per person.
The 2023 risk profile identified 32
Salmonella serotypes of concern linked
to foodborne Salmonella outbreaks from
chicken and turkey products. These
identified serotypes of concern
informed all subsequent risk
management questions, including
whether exposure to a small number of
these serotypes result in foodborne
illness. Because the Salmonella
serotypes of public health significance
identified in the final product standards
are among the 32 Salmonella serotypes
of concern identified in the risk profile
and risk assessments, it is reasonable to
conclude that the serotypes of public
health significance in the final product
standards all cause illness at a relatively
low dose.
3. Severity of Illnesses
The 2023 risk profile found that
exposure to the profile’s Salmonella
subtypes of concern, which include the
final product standards serotypes of
public health significance, can cause
severe or debilitating human health
outcomes. Although the symptoms of
Salmonella infections are typically not
reported to be as severe as some of those
associated with STEC, Salmonella can
cause bloody diarrhea, fever, abdominal
cramps, nausea, and vomiting. In some
instances, Salmonella enters the blood
stream and makes its way to other areas
of the body including, but not limited
to, the heart, lung, bone, joints and the
central nervous system.92 This can
result in severe illness requiring
hospitalizations and even death,
especially in vulnerable populations,
such as very young, elderly, and
immunocompromised individuals. Even
when Salmonella is no longer detectable
in the body, prior Salmonella illness has
also been associated with an increased
risk in colon cancer.93 Also, the illness
can cause debilitating, long-lasting
conditions including inflammatory
bowel disease, irritable bowel syndrome
and reactive arthritis.
to select controls. Aust NZ J Public Health, 1998.
22(5): p. 536–9; Tamber, S., E. Swist, and D. Oudit,
Physicochemical and bacteriological characteristics
of organic sprouted chia and flax seed powders
implicated in a foodborne Salmonellosis outbreak.
Journal of Food Protection, 2016. 79(5): p. 703–709.
92 Batz, M.B., et al., Long-Term consequences of
foodborne illness. Infect Dis Clin North Am, Sept
2013. 28(3) p. 599–661; Hohmann, E.L.,
Nontyphoidal Salmonellosis, Clin Infect Dis, Sept
2001. 32 p. 263–269; Heymann, D. Salmonellosis.
Control of Communicable Disease Manual, 2021.
93 Mughini-Gras, L. et al. Increased colon cancer
risk after severe Salmonella infection. PLoS ONE,
2018. 13(1): p. 1–19, https://doi.org/10.1371/
journal.pone.0189721.
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Furthermore, a study that allows for a
comparison of case-fatality proportions
of both Salmonella and STEC O157
demonstrates a higher frequency of
deaths among Salmonella cases than
among STEC O157 cases.94 The
estimated annual domestic foodborne
illnesses reported in the study were
1,027,561 and 63,153 for Salmonella
and STEC O157, respectively. Annual
deaths from domestic foodborne
illnesses are 378 and 20 for Salmonella
and STEC O157, respectively. Therefore,
Salmonella deaths occur at a frequency
of 4 per 10,000 illnesses, while STEC
O157 deaths occur at a frequency of 3
per 10,000 illnesses.
4. Consumer Cooking Practices
As noted above, until recently, with
the publication of the proposed
determination on Salmonella in NRTE
breaded stuffed chicken products, FSIS
historically has not taken the position
that certain Salmonella levels or
serotypes render raw poultry products
adulterated as defined in the PPIA. This
position was based in part on the fact
that proper cooking kills pathogens on
raw product. However, as discussed
below, several consumer behavior
research studies suggest that ordinary
consumer cooking and preparation
practices for chicken carcasses, chicken
parts, comminuted chicken, and
comminuted turkey do not provide
adequate assurance that these products
will not be contaminated when
consumed.
Consumer behavior research. FSIS
recommends cooking poultry products
until the center of the thickest part of
the meat reaches a minimum internal
temperature of 165 °F measured by
using a thermometer to eliminate the
presence of Salmonella and other
foodborne pathogens.95 However,
although using a thermometer is the
only reliable way to ensure that poultry
is properly cooked, studies show that
many consumers do not ordinarily use
a thermometer to determine whether
whole chicken, chicken parts,
comminuted chicken, and comminuted
turkey have reached an internal
temperature sufficient to destroy
Salmonella. Studies also show that
many consumers that do use a
thermometer do not always do so
correctly.
In a study published in 2017, a webenabled panel survey of U.S. adult
grocery shoppers (n = 1,504) was
94 Scallan,
et al., 2011.
Safe Minimum Internal Temperature
Chart. 2020; Available at: https://
www.fsis.usda.gov/food-safety/safe-food-handlingand-preparation/food-safety-basics/safetemperature-chart.
95 FSIS
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conducted to describe consumers’
handling and preparation practices for
raw poultry.96 The purpose of the study
was to characterize consumer food
thermometer use and barriers to use.
The study found that of the 62 percent
of the survey respondents who reported
owning a food thermometer,
thermometer usage was highest among
those cooking whole turkeys (73.2
percent). Fewer respondents reported
using a thermometer when cooking
whole chickens (56.7 percent), chicken
breasts or other parts (26.3%), and
meatloaf or a similar dish containing
ground chicken or turkey (22.8 percent).
Reported thermometer use was lowest
among respondents cooking patties
made with ground chicken or turkey
(11.7 percent).
Participants who reported owning a
food thermometer identified various
reasons for not using a thermometer the
last time they cooked poultry at home.
For all cuts of poultry, the most
common reason reported for not using a
thermometer was use of another method
to determine that the product was
properly cooked (49.8 to 61.5 percent of
respondents). The next most common
reason selected was that the respondent
never thought to use a thermometer (27
to 37.6 percent of respondents), which
the researcher concluded suggests that
these respondents do not consider it
very important to use a food
thermometer.
Of the respondents that reported
using another method instead of a food
thermometer, most reported that they
determined that poultry is properly
cooked by using visual cues, i.e., color,
juice clarity, and cleanliness of probing
utensil. Of the 61.5 percent of the
respondents that reported using another
method to determine that a whole
turkey or chicken is properly cooked,
42.2 percent cut the food to check that
it was no longer pink, 42.2 percent
relied on cooking time, and 41 percent
checked that the juices ran clear. Of the
56.1 percent of the respondents that
reported using another method to
determine that chicken and turkey parts
were properly cooked, 67.6 percent cut
the food to check that it was no longer
pink, 46.2 percent relied on cooking
time and 40 percent checked that the
juices ran clear. And of the 49 percent
of the respondents that reported using
another method to determine whether
ground chicken or turkey was properly
cooked, 61.5 percent inserted a knife,
toothpick, or other utensil to see if it
came out clean, 55.4 percent relied on
cooking time, and 21.0 percent cut the
food to check that it was no longer pink.
In an observational study published
in 2016, 101 participants were observed
as they prepared poultry and egg items
to determine whether they followed
food safety guidelines.97 The poultry
items prepared for the study were a
baked whole chicken breast and a panfried ground turkey patty. The study
found that thermometer use for all
products was low. Only 37 percent of
participants used a thermometer to
determine that a chicken breast was
properly cooked, and only 22 percent
used a thermometer to determine that a
turkey patty was properly cooked. For
the chicken breast, the most common
method used to determine doneness was
cutting into the chicken (50 percent),
followed by color (33 percent) and
thermometer use (33 percent). For the
turkey patty, the most common
indicator used was color (39 percent),
followed by cutting into it (30 percent),
using a thermometer (22 percent), and
looking at the juices (18 percent). The
study also found that the participants
who used a food thermometer often
would use other methods, such as
cutting into them or observing the
juices, to determine if the poultry items
were properly cooked.
The study also highlighted the
importance of correctly using a
thermometer to determine that poultry
is properly cooked. Of the study
participants who used a thermometer,
36 percent did not use it correctly in the
chicken breast, the turkey patty, or both.
The study also found that there was no
statistical difference between a
participant who did and did not use a
thermometer in achieving an end point
temperature of at least 165 °F in both the
chicken breast and the turkey patty.
Seventy-eight percent of participants
that used a thermometer to cook the
chicken breast reached a final internal
temperature above 165 °F, compared to
75 percent for those who did not use a
thermometer. Seventy-seven percent of
participants who used a thermometer to
cook a turkey patty reached a final
internal temperature of at least 165 °F,
compared to 66 percent of participants
who did not use a thermometer.
96 KM Kosa, et al. (2017). Barriers to Using a Food
Thermometer When Cooking Poultry at Home:
Results from a National Survey. Food Protection
Trends, 37/2, 116–125, available at: https://
www.foodprotection.org/files/food-protectiontrends/mar-apr-17-kosa.pdf.
97 Maughan, et al. (2016). Food Handling
Behaviors Observed in Consumers When Cooking
Poultry and Eggs. Journal of Food Protection, 79:6,
970–977, available at: https://
www.sciencedirect.com/science/article/pii/
S0362028X22080814?via%3Dihub.
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In another observational study
published in 2014,98 120 volunteers
were observed as they prepared chicken
and salad in their homes. The study
participants chose the manner of
chicken preparation. Three volunteers
prepared whole chicken, and all others
prepared chicken parts. The study
found that the most common method of
determining whether the chicken was
properly cooked was appearance. In
response to a questionnaire
administered after meal preparation, the
study participants stated that to
determine whether chicken was
properly cooked, they looked for white
colored meat, absence of blood or pink
spots, and firm meat. The study found
that 40 percent of the chicken that the
participants considered to be properly
cooked registered a temperature below
165 °F.
In this study, fewer than 5 percent of
the participants voluntarily used a
thermometer to record chicken
temperature during meal preparation.
When asked by the researcher if they
wanted to check the cooked chicken’s
temperature, 34 percent of the
participants checked the internal
temperature using either their own
thermometer or the thermometer
provided by the researcher. When
chicken temperature was taken, the
internal temperature of 60 percent of the
cooked chicken registered 165 °F or
above. However, 39 percent of
households stopped cooking even
though the internal temperature of the
poultry registered below 165 °F.
A 2020 study used a randomized
experimental design and direct
observation of meal preparation to test
the effectiveness of a USDA food safety
video intervention for consumer
thermometer use.99 The study was
conducted in test kitchen facilities in
which cameras recorded participants’
meal preparation from beginning to end.
A total of 383 people participated in the
study, 201 in the control group (the
group that did not watch the food safety
video) and 182 in the treatment group.
Before preparing the meal, the treatment
group watched a 3-minute USDA food
safety video on the importance of using
98 Bruhn, C.M. (2014). Chicken preparation in the
home: An observational study. Food Protection
Trends, 34(5):318–330. Available at: https://
www.proquest.com/trade-journals/chickenpreparation-home-observational-study/docview/
1640787777/se-2.
99 Duong M, Shumaker ET, Cates SC, Shelley L,
Goodson L, Bernstein C, Lavallee A, Kirchner M,
Goulter R, Jaykus LA, Chapman B (2020). An
Observational Study of Thermometer Use by
Consumers When Preparing Ground Turkey Patties.
J Food Prot. 83(7):1167–1174. Available at: https://
www.sciencedirect.com/science/article/pii/
S0362028X2210339X.
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a food thermometer. Participants in the
control and treatment groups were
observed while cooking turkey burgers
and preparing a salad to determine
whether the participants used a
thermometer to determine whether the
turkey patties were properly cooked.
Following meal preparation, all
participants responded to a post
observation interview about food
handling behaviors.
Sixty-one percent of the control group
participants and 63 percent of the
treatment group participants reported
owning a food thermometer, which is
consistent with the percentage of the
respondents that reported owning a food
thermometer in the 2017 study
discussed above (62 percent). During the
meal preparation session, the control
group used a thermometer to determine
whether the turkey patties were
properly cooked 34 percent of the time,
while the treatment group used a
thermometer 75 percent of the time. The
control participants were also less likely
to insert the thermometer into the side
of the patty (23 percent), the
recommended practice, than the
treatment participants (52 percent). Of
the participants that used a thermometer
and for whom temperature data were
available, the turkey patties were
observed to reach an internal
temperature of 165 °F 54 percent of the
time for the control group and 73
percent of the time for the treatment
group. Thus, while both the control and
treatment groups were likely to own a
food thermometer, the control group
was much less likely to use a food
thermometer, correctly place a
thermometer, and cook patties to a safe
internal temperature than the treatment
group.
The study also addressed whether the
participants used methods other than a
thermometer to determine whether the
turkey patty was properly cooked. The
study found that 45 percent of all
participants used a method other than a
thermometer to determine that the
turkey patty was done cooking. Among
participants who did not use the
thermometer and for whom usable data
were available, 46 percent of control
group participants and 29 percent of the
treatment group participants relied on
the firmness or texture of the patty to
determine that it was properly cooked,
and 4 percent in the control group and
16 percent in the treatment group relied
on patty color. Twenty-five percent of
control group and 42 percent of
treatment group were observed using
both firmness and color of the patty.
Thus, consumer research shows that,
rather than using a thermometer to
check the internal temperature of whole
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chicken, chicken parts, comminuted
chicken products, and comminuted
turkey products, many consumers
ordinarily rely on visual and textural
cues to determine that these products
are properly cooked. However, because
these subjective cues have not been
correlated with safe internal cooking
temperature, they are unreliable for
gauging whether poultry products have
reached an internal temperature
sufficient to destroy Salmonella that
may be present.100 As noted above, a
2014 observational study found that 40
percent of the chicken that participants
considered to be properly cooked based
on subjective cues registered a
temperature below 165 °F. The 2017
survey study discussed above also cited
a published summary of food safety
literature that concluded that 70 percent
of chicken pieces visually judged by
consumers as ‘‘done’’ had not reached a
safe internal temperature.101 A
European study that assessed the effect
of household cooking methods on the
presence and numbers of Salmonella
Typhimurium in different types of raw
poultry products found that improper
cooking produced inadequate heat
treatments that did not fully eliminate
Salmonella from the products even
when the initial contamination levels
were as low as 10 cfu/g.102 Thus, based
on its review of the available consumer
research, FSIS has concluded that many
consumers do not cook chicken
carcasses, chicken parts, comminuted
chicken, and comminuted turkey
thoroughly and therefore, ordinary
consumer cooking practices associated
with these products fail to provide
adequate assurance that the products
will not be contaminated when
consumed.
Cross-Contamination. In addition to
consumer behavior research that found
that many consumers ordinarily rely on
visual and textural cues to determine
that raw chicken and turkey products
are properly cooked, recent studies also
found that there are other ordinary
consumer practices that create
conditions for Salmonella exposure
from raw poultry regardless of whether
the products are properly cooked.
Consumer hand washing practices are
100 M.
Duong et. al (2020).
et al. (2017) citing CJ Byrd-Bredbenner
et al. (2013.) Food safety in home kitchens: a
synthesis of the literature. Int. J. Environ Res Publ
Hlth 10:4060–4085.
102 Roccato A, Uyttendaele M, Cibin V, Barrucci
F, Cappa V, Zavagnin P, Longo A, Ricci A (2015).
Survival of Salmonella Typhimurium in poultrybased meat preparations during grilling, frying and
baking. Int J Food Microbiol 197:1–8. Available at:
https://www.sciencedirect.com/science/article/pii/
S0168160514006011?via%3Dihub.
101 Kosa,
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one example of this cross-contamination
concern.
A 2015 observational study of
consumers handling raw poultry as part
of an at-home meal preparation event
found that hands were washed 12
percent of the time after handling raw
poultry.103 Of note, 100 percent of the
same study group responded on a preobservation questionnaire that they
washed their hands before and after
handling raw poultry. Further, a 2016
observational study found that, during
the preparation and cooking process, 40
percent of participants correctly washed
their hands after handling raw whole
chicken carcasses, and 46 percent
correctly washed their hands after
handling the raw ground turkey
product.104
Research shows that washing poultry
can spread bacteria to kitchen surfaces
and other foods.105 Studies also show
that washing or rinsing raw poultry is a
pervasive consumer preparation
practice that raises cross-contamination
concerns. For example, a 2019 survey of
food handling practices indicated that a
lack of adherence to the recommended
practice to not wash or rinse raw
poultry may have widespread impact on
two age groups more susceptible to
contracting foodborne illness—young
children and older adults.106 The Webbased survey found that only 39 percent
of parents of young children (aged 5
years or younger) and only 31 percent
of older adults (aged 60 years or older)
reported not rinsing or washing raw
poultry. Further, in a 2014 study on
observed consumer handling behavior,
120 participants were asked to prepare
in their home kitchen a chicken product
and a salad. Before the observation, the
participants were asked to select and
purchase the ingredients, including a
raw chicken carcass or part. The study
found that 45 percent of the participants
washed the raw chicken at the start of
preparation.107
Additional research indicates that
food handling education on the
recommendation to not wash or rinse
raw poultry may have limited impact on
consumer behavior. In 2016, a fourweek intervention survey study exposed
participants to an educational pilot
program developed to raise awareness
and influence consumers to not wash
raw poultry.108 The results indicated
64701
that, while the program improved both
knowledge and behavior of participants
toward not washing raw poultry, the
majority of consumers that viewed and
understood the material still reported
washing or rinsing raw poultry after the
intervention program concluded.109
These studies indicate that crosscontamination events are common
during poultry handling in home
kitchens, and that consumers’
knowledge of proper food handling is
often not correlated to safe handling
behaviors.
E. Risk per Serving, Salmonella Levels,
and Proposed Determination
1. Final Product Standards Salmonella
Level and Risk per Serving
Salmonella contamination and levels.
The 2023 risk assessments include
analyses of FSIS testing of chicken and
turkey products that show that the
proportion of raw chicken carcasses,
chicken parts, comminuted chicken and
comminuted turkey products
contaminated with Salmonella is very
low and that the levels are very low for
contaminated products (Table 3).
TABLE 3—ESTIMATED AMOUNT OF TEST POSITIVE SAMPLES PER SALMONELLA THRESHOLD
Chicken
carcasses
(%)
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Tests Salmonella Negative ..............................................................................
Tests Salmonella Positive ...............................................................................
≥1 cfu/mL or /g .........................................................................................
≥10 cfu/mL or /g .......................................................................................
≥100 cfu/mL or /g .....................................................................................
Chicken
parts
(%)
96.92
3.08
9
1
0.10
93.31
6.69
2
0.07
<0.01
Comminuted
chicken
(%)
72.90
27.10
11
3
1
Comminuted
turkey
(%)
84.26
15.74
12
4
1
Approximately 97 percent of chicken
carcasses and 93 percent of chicken
parts test negative for Salmonella (i.e.,
results are below the 0.03 cfu/mL limit
of detection (LOD)). Approximately 73
percent of comminuted chicken and 84
percent of comminuted turkey test
results are below the 0.003 cfu/g LOD.
Of the 3 percent of chicken carcasses
that test positive for Salmonella at the
end of production, only 1 percent have
Salmonella levels at or above 10 cfu/
mL, and 0.10 percent have Salmonella
levels at or above 100 cfu/mL. Of the
chicken parts that test positive for
Salmonella, only 0.07 percent have
levels at or above 10 cfu/mL, and less
than 0.01 percent were found to have
levels at or above 100 cfu/mL. Of the 27
percent of comminuted chicken
products that test positive for
Salmonella, only 3 percent have levels
at or above 10 cfu/g, and 1 percent have
levels at or above 100 cfu/g. Finally, of
the 16 percent of comminuted turkey
products that test positive for
Salmonella, only 4 percent have levels
at or above 10 cfu/g, and 1 percent have
levels at or above 100 cfu/g. Thus, given
that the majority of chicken carcasses,
chicken parts, comminuted chicken,
and comminuted turkey have
Salmonella at levels below 0.03 cfu/
103 E Mazengia, et al. (2015). Direct Observational
Study of the Risk of Cross-Contamination during
Raw Poultry Handling: Practices in Private Homes.
Food Protection Trends, 35/1, 8–23. Available at:
https://www.foodprotection.org/files/foodprotection-trends/JAN-FEB-15-mazengia.pdf.
104 Maughan, et al. (2016). Food Handling
Behaviors Observed in Consumers When Cooking
Poultry and Eggs. Journal of Food Protection, 79/6,
970–977. Available at: https://
www.sciencedirect.com/science/article/pii/
S0362028X22080814?via%3Dihub. For the
purposes of the study, proper hand washing was
defined as washing hands with soap for a minimum
of 20 seconds immediately after touching the raw
product and without touching anything else.
105 Food Safety Consumer Research Project: Meal
Preparation Experiment Related to Poultry Washing
Final Report (August 20, 2019). Available at:
https://www.fsis.usda.gov/sites/default/files/media_
file/2021-02/FSCRP_Year%2B2_Final_
Aug2019.pdf.
106 Kosa, KM, et al. (2019). Older Adults and
Parents of Young Children Have Different Handling
Practices for Raw Poultry. Journal of Food
Protection, 82(2), 200–206, available at: https://
pubmed.ncbi.nlm.nih.gov/30673351/.
107 Bruhn, C.M. (2014). Chicken Preparation in
the Home: An Observational Study. Food Protection
Trends, 34/5, 318–330, available at: https://
www.proquest.com/trade-journals/chicken-
preparation-home-observational-study/docview/
1640787777/se-2.
108 Henley, S., et al. (2016). Don’t Wash Your
Chicken!: A Food Safety Education Campaign to
Address a Common Food Mishandling Practice.
Food Protection Trends, 36/1, 43–53, available at:
https://www.foodprotection.org/files/foodprotection-trends/jan-feb-16-henley.pdf.
109 Twenty-five percent of consumers in the
intervention group reported not washing whole raw
poultry, compared to 20.1 percent of consumers in
the control group. Sixteen-point-three percent of
consumers in the intervention group reported not
washing small cuts of raw poultry, compared to 9.8
percent of consumers in the control group.
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mL(g), FSIS testing data shows that
Salmonella levels at or above 10 cfu/
mL(g) represent comparatively higher
levels of contamination that are
infrequently identified in these raw
poultry products.
Risk per Serving. The risk assessments
also quantify and compare the
probability of illness associated with
chicken carcasses, chicken parts,
comminuted chicken, and comminuted
turkey contaminated with Salmonella
levels at or above 10 cfu/mL(g) with the
average level of contamination for these
raw products. The risk assessments used
two dose-response models to provide a
description of risk of illness per serving
for Salmonella from chicken carcasses,
chicken parts, comminuted chicken,
and comminuted turkey products, when
combined with an attenuation
distribution. This attenuation
illnesses per 100,000 servings, and 2.5
illnesses per 100,000 servings for
comminuted chicken, and 2.5 illnesses
per 100,000 servings for comminuted
turkey. Comparison of the threshold
probability of illness to the baseline
quantifies how much higher than
average the risk per serving is for each
scenario.
Table 4—Average characteristics
(level, dose, and probability of illness by
serocluster) of failing lots for
Salmonella threshold level scenarios in
FSIS-sampled products under
consideration and the overall likelihood
of consumer exposure. The serotypes of
public health significance (Enteritidis,
Typhimurium, and I 4,[5],12:i:- for
chicken products and Hadar,
Typhimurium and Muenchen for
Comminuted turkey) are among the
higher virulence Serotype Cluster
distribution describes the variety of
activities that occur between FSIS
sampling a final product lot and a
consumer ingesting a serving from that
lot. These activities include product
mixing, transportation, and cooking—all
of which can result in both Salmonella
growth and die off.
A summary of probability of illness
per serving for the main scenarios that
were considered in the risk assessments
is provided in Table 4. The average
Salmonella level for product lots that
test at or above each threshold level are
provided, along with the average dose
consumed, i.e., the level after
attenuation, and likelihood that
consumers are exposed to such servings.
The model-derived baseline
probability of illness for chicken
carcasses is 0.2 illnesses per 100,000
servings, for chicken parts is 0.3
Salmonella THRESHOLD LEVEL SCENARIOS UNDER CONSIDERATION
[cfu/mL or g]
Measurement
Product type
Average level for failing lots (cfu/
mL(g)).
Average dose consumed for average failing lot (cfu/serving).
Probability of illness per 100,000
servings *, high virulence.
OR
Probability of illness per 100,000
servings *, low virulence.
Likelihood of consumer exposure
to raw product at or above initial level.
0.003
0.033
1
10
100
Chicken Carcasses .......................
0.48
1.65
16
97
682
Chicken Parts ...............................
Comminuted Chicken ...................
Comminuted Turkey .....................
Chicken Carcasses .......................
0.08
17
163
0.08
0.30
37
348
0.26
4
163
1,373
3
33
582
4,249
15
281
2,572
15,479
108
Chicken Parts ...............................
Comminuted Chicken ...................
Comminuted Turkey .....................
Chicken Carcasses .......................
0.01
3
26
23
0.05
6
55
54
0.67
26
218
224
5
92
673
612
45
408
2,453
1,598
Chicken Parts ...............................
Comminuted Chicken ...................
Comminuted Turkey .....................
6
235
801
16
363
1,166
100
800
2,184
340
1,486
3,490
1,050
2,849
5,660
Chicken Carcasses .......................
4
9
42
119
329
Chicken Parts ...............................
Comminuted Chicken ...................
Comminuted Turkey .....................
Chicken Carcasses .......................
1
44
158
11%
3
69
235
3%
18
158
460
0.27%
64
305
761
0.03%
211
611
1,287
<0.01%
Chicken Parts ...............................
Comminuted Chicken ...................
Comminuted Turkey .....................
31%
27%
16%
7%
13%
7%
0.17%
3%
2%
<0.01%
0.79%
0.60%
<0.01%
0.17%
0.16%
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* Given average initial level multiplied by attenuation distribution.
As illustrated in Table 4, the risk
assessments found that the probability
of illness for servings of raw chicken
carcasses that are contaminated with
Salmonella levels at or above 10 cfu/mL
and contain a serotype of public health
significance is 612 illnesses per 100,000
servings of raw chicken carcasses, while
the average probability of illness is 0.3
illnesses per 100,000 servings; the great
majority of which have levels far below
10 cfu/mL. Therefore, servings from
production lots of raw chicken carcasses
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that test positive for Salmonella at
levels of 10 cfu/mL or greater with a
serotype of public health significance
are 2,000-fold (i.e., ∼ 612/0.3) more
likely to cause illness than the average
across all chicken carcass servings.
Thus, while there is a relatively low
probability that individuals will be
exposed to carcasses that contain
Salmonella at 10 cfu/mL, if exposed,
there is a much higher probability of
illness, i.e., 2,000-fold, when compared
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to exposure to the majority of servings
from chicken carcasses.
For raw chicken parts, the risk
assessment found that chicken parts
servings that are contaminated with
Salmonella levels at or above 10 cfu/mL
at the end of production and contain a
serotype of public health significance
have a probability of illness of 340
illnesses per 100,000 servings, while the
average probability of illness is 0.3 per
100,000 servings for all servings; the
great majority of which have levels
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much below 10 cfu/mL. Therefore,
servings from production lots of raw
chicken parts that test positive for
Salmonella at levels at or above 10 cfu/
mL with a serotype of public health
significance are 1,100-fold (i.e., ∼340/
0.3) more likely to cause illness than the
average across all chicken parts
servings. Thus, while there is a
relatively low probability that
consumers will be exposed to chicken
parts that contain Salmonella at 10 cfu/
mL, if exposed, there is a much higher
probability of illness, i.e., 1,100-fold,
when compared to exposure to the
majority of servings from raw chicken
parts.
For raw comminuted chicken
servings, the risk assessments found that
products that are contaminated with at
least 10 cfu/g of Salmonella at the end
of production and contain a serotype of
public health significance have a 1,500
per 100,000 servings probability of
illness, while average probability of
illness is 2.5 per 100,000 servings for all
servings; the majority of which have
levels below 10 cfu/g. Therefore,
servings from production lots of
comminuted chicken that test positive
for Salmonella at or above 10 cfu/g with
a serotype of public health significance
are 590-fold (i.e., ∼1,500/2.5) more
likely to cause illness than the average
across all comminuted chicken servings.
Thus, while there is a relatively low
probably that consumers will be
exposed to comminuted chicken that
contains Salmonella at 10 cfu/g, if
exposed, there is a much higher
probability of illness, i.e., 590-fold,
when compared to the majority of
servings of comminuted chicken.
For raw comminuted turkey servings,
the risk assessments found that products
that are contaminated with at least 10
cfu/g of Salmonella at the end of
production and contain a serotype of
public health significance have a 3,500
per 100,000 servings probability of
illness, while the average probability of
illness is 2.5 per 100,000 servings across
all servings; the majority of which have
levels below 10 cfu/g. Therefore,
servings from production lots of
comminuted turkey that test positive for
Salmonella at or above 10 cfu/g with a
serotype of public health significance
are 1,400-fold (i.e., ∼3,500/2.5) more
likely to cause illness than the average
across all comminuted turkey servings.
Thus, while there is a relatively low
probability that consumers will be
exposed to comminuted turkey that
contains Salmonella at 10 cfu/g, if
exposed, there is a much higher
probability of illness, i.e., 1,400-fold,
when compared to the majority of
servings of comminuted turkey.
Illnesses prevented. The risk
assessments also predicted the total
number of illnesses prevented annually
for chicken carcasses, parts, and
comminuted chicken and turkey for
different Salmonella threshold levels—
0.03 cfu/ml(g), 1 cfu/mL(g), 10 cfu/
mL(g), and 100 cfu/mL(g) (Table 5).
Uncertainty analyses were also run for
the main scenarios under consideration.
A threshold set at the Salmonella
detection level for comminuted chicken
and turkey (0.003 cfu/g) was not as
effective as the higher threshold levels
in Table 5 below. Therefore, an analysis
evaluating the uncertainty around the
predicted public health impact for a
threshold of 0.003 cfu/g Salmonella in
comminuted poultry was not evaluated
in the risk assessments.
The resulting overlapping 95 percent
credible intervals around the estimated
number of illnesses prevented suggest
that there is little meaningful difference
in effectiveness between the threshold
standards with respect to annual
illnesses prevented. However, as
discussed above, when compared with
the majority of servings, chicken
carcasses, chicken parts, comminuted
chicken, and comminuted turkey that
contain Salmonella at 10 cfu/mL(g) or
higher present a much higher
probability of illness. Thus, based on
the elevated probability of illness
associated with raw chicken carcasses,
chicken parts, comminuted chicken,
and comminuted turkey associated with
Salmonella levels at or above 10 cfu/
mL(g), FSIS is proposing 10 cfu/mL(g)
as the Salmonella level for the proposed
final product standards.
TABLE 5—ANNUAL ILLNESSES PREVENTED, MOST LIKELY
[95% Credible Interval]
Chicken
carcasses
Threshold level
0.03 cfu/mL(g) ....................................................................
1 cfu/mL(g) .........................................................................
10 cfu/mL(g) .......................................................................
100 cfu/mL(g) .....................................................................
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2. Proposed Determination
After careful consideration of the
information presented above, FSIS has
concluded that raw chicken carcasses,
chicken parts, comminuted chicken,
and comminuted turkey contaminated
with Salmonella at or above 10 cfu/
mL(g) and a serotype of public health
significance present an unacceptable
risk of illness based on their risk per
serving. As discussed above, the 2023
risk assessments for chicken found that
production lots of raw chicken carcasses
and raw chicken parts contaminated
with these Salmonella levels and
serotypes are at least 1,000 times more
likely than average to cause illness
across all chicken parts and carcass
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4600 (2000,
2400 (700,
1000 (200,
200 (0,
Chicken parts
7100)
5000)
3100)
1500)
7900 (3300, 12700)
1400 (400, 3600)
200 (40, 700)
20 (0, 100)
servings, and that servings from
production lots of comminuted chicken
and turkey contaminated with
Salmonella at these levels and serotypes
are at least 590 times more likely than
average to cause illness across all
comminuted chicken and turkey
servings.
Additionally, Salmonella has been
associated with severe and debilitating
human illness and available data
suggest that the Salmonella infectious
dose for the serotypes of public health
concern is relatively low. Information
from consumer behavior research shows
that, rather than using a food
thermometer to check the internal
temperature of whole chicken, chicken
parts, comminuted chicken products,
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Comminuted
chicken
1500
1400
1000
600
(800,
(600,
(400,
(200,
2200)
2100)
1900)
1500)
Comminuted
turkey
2500
2300
2000
1400
(700,
(600,
(500,
(200,
4900)
4800)
4300)
3500)
and comminuted turkey products, many
consumers ordinarily rely on visual and
textural cues to determine that these
products are properly cooked.
Consumer research also shows that
chicken that consumers considered to
be properly cooked based on these
subjective cues often had not reached an
internal temperature sufficient to
destroy Salmonella that may be present,
and one study found that for certain
poultry products, that application of
inadequate heat treatments from
improper cooking was unable to assure
complete elimination of Salmonella
even with a low initial contamination
level of 10 cfu/g. Information from
consumer behavior research also shows
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that ordinary consumer handling
associated with chicken carcasses,
chicken parts, comminuted chicken,
and comminuted turkey creates
conditions for Salmonella exposure
from raw poultry through cross
contamination.
Thus, because Salmonella can survive
what many consumers consider to be
ordinary cooking and handling practices
for chicken carcasses, chicken parts,
comminuted chicken, and comminuted
turkey, and because the 2023 risk
assessments found that servings of these
products that test positive for
Salmonella at levels at or above 10 cfu/
mL(g) and a serotype of public health
significance are much more likely to
cause illness when compared to the
majority of chicken carcasses, chicken
parts, comminuted chicken, and
comminuted turkey servings, FSIS has
tentatively determined that, when
contaminated with Salmonella at these
levels and serotypes, these products are
adulterated as defined in the PPIA.
Specifically, FSIS has tentatively
concluded that these products are
adulterated as defined in 21 U.S.C.
453(g)(1) because their elevated risk of
illness renders them ‘‘injurious to
health.’’ FSIS has also tentatively
concluded that they are adulterated as
defined in 21 U.S.C. 453(g)(3) because
their elevated risk of illness makes them
‘‘unsound, unhealthful, unwholesome,
or otherwise unfit for human food.’’
The adulteration definition in 21
U.S.C. 453(g)(1) includes two separate
standards for determining whether a
product is adulterated. Under 21 U.S.C.
453(g)(1), if a substance is an ‘‘added
substance’’ the product is adulterated if
the substance ‘‘may render’’ the product
injurious to health. If the substance is
not added, the product is adulterated ‘‘if
the quantity of such substance in or on’’
the product ‘‘ordinarily’’ renders it
injurious to health.
As noted above, in response to the
draft October 2022 Salmonella
Framework, FSIS received comments on
whether Salmonella should be
considered as an ‘‘added substance’’ in
raw poultry. Comments from consumer
advocacy organizations asserted that
Salmonella should be considered as an
‘‘added substance’’ because it is not
normally present in the muscle tissue of
healthy birds. The comments stated that
while Salmonella is present in the
gastrointestinal tract of live birds, it is
an ‘‘added substance’’ in poultry
products because it only makes its way
onto to poultry muscle tissue through
contamination that occurs during
slaughter and processing, specifically
during defeathering and evisceration. To
support this position, the commenters
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referenced case law that provides that
where some portion of toxic substance
present in a food has been introduced
by human intervention, the entirety of
that substance present in the food will
be treated as an ‘‘added substance’’.110
Comments from trade associations
representing the meat and poultry
industries asserted that Salmonella is
not an ‘‘added substance’’ because it
exists naturally in and on the live birds.
The comments stated that Salmonella
can exist in a chicken’s skin, muscle
tissue, and gut. A trade association
representing the chicken industry cited
references that, according to the
comment, show that researchers have
identified Salmonella in chicken neck
skin, on the outer layer of skin, on
feather follicles, connective tissue, and
in drumstick muscle. The commenter
also stated that literature shows
correlations between Salmonella loads
on the farm and in birds and at various
processing steps, reinforcing that
Salmonella enters the process via the
chickens themselves. A comment from a
trade association representing the meat
and poultry industry stated that
Salmonella can exist on the exterior of
the animal, harbor in feather follicles,
and travel from the gastrointestinal tract
of poultry to the bloodstream,
theoretically providing a pathway for
Salmonella to be distributed throughout
the bird.
In addition, the comments stated that
the case law provides that to be
‘‘added,’’ a substance must not
otherwise be present in the food and
must be artificially introduced by a
person.111 According to the chicken
industry trade association, the fact that
Salmonella may be present in greater
expected concentrations in some parts
of a chicken than others does not make
it an ‘‘added substance’’ in poultry
muscle because, as with any microbe,
naturally-occurring Salmonella can be
spread through cross-contact during
processing.
FSIS had traditionally viewed
Salmonella as ‘‘naturally occurring’’ in
food animals.112 FSIS has previously
rejected broad requests for it to declare
that Salmonella is considered an
110 See United States v. Anderson Seafoods, Inc.,
622 F.2d 157 (5th Cir. 1980); Continental Seafoods,
Inc. v. Schweiker, 674 F.2d 38 (D.C. Cir. 1982).
111 These commenters cite United States v. Coca
Cola, 241 U.S. 265 (1915) and United States v.
Anderson Seafoods, Inc. 622 F.2d 157, 160 (5th Cir.
1980).
112 See FSIS Final Response to Marler Clark LLP
petition # 20–01 ‘‘Petition for an Interpretive Rule
Declaring ‘Outbreak’ Serotypes of Salmonella
enteritica subspecies to be Adulterants’’ Available
at: https://www.fsis.usda.gov/policy/petitions/
petition-interpretive-rule-related-certainSalmonella-serotypes.
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‘‘added substance’’ in all products,113
however, FSIS has not previously
determined whether certain
circumstances, considering what current
scientific data indicates about
Salmonella’s spread to or within
products, may render Salmonella an
‘‘added substance’’ in the raw products
covered by this proposed framework.
Before taking a position on whether
there are any circumstances in which
Salmonella can be considered an
‘‘added substance’’ in raw chicken
carcasses, chicken parts, comminuted
chicken, and comminuted turkey, FSIS
has decided to request additional
comments on both the legal and factual
aspects of this issue.
As noted above, under 21 U.S.C.
453(g)(1), there are two definitions for
adulteration, depending on whether a
substance in a poultry product is
‘‘added’’ or ‘‘not added.’’ However, the
PPIA does not define the circumstances
in which a substance in a poultry
product is ‘‘added’’ within the meaning
of the statute. Prior court decisions that
address whether Salmonella is an
adulterant in raw meat or poultry
products have never directly considered
whether and under what circumstances
Salmonella may be considered an
‘‘added substance’’ under the PPIA.114
As noted above, some of the
comments on the October 2022 draft
Salmonella Framework asserted that
Salmonella should be considered as an
‘‘added substance’’ in raw poultry based
on the holding in U.S. v. Anderson
Seafoods. The Anderson Seafoods case
involved toxic levels of mercury in
swordfish. The issue before the court
was whether all mercury found in the
swordfish should be considered as an
‘‘added substance’’ under the
adulteration provisions of the
FFDCA 115 when some mercury in
swordfish occurs naturally and some is
the result of man-made pollution. The
court held that ‘‘where some portion of
a toxin present in a food has been
introduced by man, the entirety of that
substance present in the food will be
113 See FSIS Final Response to Marler Clark
petition.
114 See American Public Health Association
(APHA) v. Butz, 511 F. 2d 331 (D.C. Cir. 1974);
Continental Seafoods, Inc. v. Schweiker, 674 F.2d
38 (D.C. Cir. 1982); Supreme Beef Processors, Inc.
v. USDA, 275 F.3d 432 (5th Cir. 2001).
115 The adulteration definition in the FFDCA at
issue in Anderson Seafoods is, in relevant parts,
identical to the definition in the PPIA and provides
that ‘‘A food shall be deemed to be adulterated
(a)(1) if it bears or contains any poisonous or
deleterious substance which may render it injurious
to health; but in case the substance is not an added
substance such food shall not be considered
adulterated under this clause if the quantity of such
substance in such food does not ordinarily render
it injurious to health’’(21 U.S.C. s 342(a)(1)).
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treated as an added substance’’ as
defined in the statute.116 Based on this
holding, some comments asserted that
Salmonella should be considered as an
‘‘added substance’’ in raw poultry
because poultry muscle does not
normally contain Salmonella, and
Salmonella only makes its way onto to
poultry muscle tissue through
contamination that occurs during
slaughter and processing.
As noted by the comments,
Salmonella is present in the
gastrointestinal tract of live birds, and
there is evidence that extraintestinal
Salmonella exist in poultry skin, livers,
bones, and bone marrow before
processing.117 Most Salmonella
contamination on carcasses is believed
to result from leakage of ingesta during
crop removal and from feces during
evisceration, as well as aerosolization
during picking.118 119 After poultry
carcasses are scalded, the carcasses
travel through a series of defeathering
machines where their feathers are
removed using mechanical pickers with
rubber ‘‘fingers.’’ During the picking
process, these rubber fingers not only
can massage Salmonella-contaminated
water remaining from the scalder into
the carcass but can also inadvertently
press on the abdomen of the carcass,
pushing out fecal matter and ingesta,
resulting in transfer of Salmonella to the
carcass skin or to the machinery.120 The
2023 risk profile identified studies that
show that Salmonella can persist on
processing equipment after cleaning and
sanitation,121 which increases the
potential for cross-contamination.
116 Anderson
Seafoods, 622 F.2d at 161.
C.S., et al. (2019). Salmonella
Harborage Sites in Infected Poultry That May
Contribute to Contamination of Ground Meat.
Frontiers in Sustainable Food Systems 3(2). see also
Jones-Ibarra, A.M., et al. (2019). Salmonella
recovery from chicken bone marrow and cecal
counts differ by pathogen challenge method. Poult
Sci 98(9): 4104–4112. see also Cox, N.A., et al.
(2007). Recovery of Campylobacter and Salmonella
Serovars from the Spleen, Liver and Gallbladder,
and Ceca of Six-and Eight-Week-Old Commercial
Broilers. Journal of Applied Poultry Research 16(4):
477–480.
118 National Advisory Committee on
Microbiological Criteria for Foods. (2019). Response
to Questions Posed by the Food Safety and
Inspection Service Regarding Salmonella Control
Strategies in Poultry. J Food Prot. 82(4):645–668.
119 Singh M and Thippareddi H (2020). Managing
Microbiological Food Safety Risks in Poultry
Processing. White Paper for 3M Food Safety at:
https://berstlerllc.com/wp-content/uploads/2023/
03/3M-Food-Safety-Poultry-SegmentWhitepaper.pdf.
120 Singh 2020.
121 Obe, T., et al., Prevalence of Salmonella
Enterica on Poultry Processing Equipment after
Completion of Sanitization Procedures. Poultry
Science, 2020. 99(9): p. 4539–4548. Veluz, G.A., S.
Pitchiah, and C.Z. Alvarado, Attachment of
Salmonella Serovars and Listeria Monocytogenes to
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117 Rimet,
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Another step in the process in which
Salmonella may be spread to or
increased in poultry carcasses is
evisceration. During evisceration,
Salmonella that is present in the
gastrointestinal tract may be transferred
to the skin and other carcass surfaces
due to rupture of the viscera when the
carcass is opened.122 Additionally, the
2023 risk profile found that although
used as a control step, immersion
chilling may be an opportunity for
cross-contamination of broiler carcasses.
For example, in one study, a lower
incidence of Salmonella in air-chilled
broilers compared to immersion-chilled
broilers (18.7 percent to 24.7 percent
positive carcasses) suggests that crosscontamination may be more prevalent
for immersion-chilled broilers.123
In addition to processes that can
contribute to Salmonella contamination
on poultry carcasses during slaughter
and processing, further processing of
carcasses into other commodities may
also add Salmonella to or increase
Salmonella in finished poultry parts,
such as wings, breasts, and thighs. FSIS
sampling data show that further
processed chicken parts have a higher
incidence of Salmonella compared to
carcasses.124 This difference is likely
because of cross contamination between
positive and negative parts and
carcasses during further
processing.125 126 Further processing
presents various opportunities in which
Stainless Steel and Plastic Conveyor Belts. Poultry
Science, 2012. 91(8): p. 2004–2010. Rothrock, M.J.,
Jr., et al., The Characterization of Salmonella
Enterica Serotypes Isolated from the Scalder Tank
Water of a Commercial Poultry Processing Plant:
Recovery of a Multidrug-Resistant Heidelberg
Strain. Poultry Science, 2015. 94(3): p. 467–472.
Bailey, J.S., et al., Sources and Movement of
Salmonella through Integrated Poultry Operations:
A Multistate Epidemiological Investigation. Journal
of Food Protection, 2001. 64(11): p. 1690–7.
122 Singh (2020); National Advisory Committee on
Microbiological Criteria for Foods. (2019). Response
to Questions Posed by the Food Safety and
Inspection Service Regarding Salmonella Control
Strategies in Poultry. J Food Prot. 82(4):645–668.
123 Smith, D.P., J.A. Cason, and M.E. Berrang,
Effect of Fecal Contamination and Cross
Contamination on Numbers of Coliform,
Escherichia coli, Campylobacter, and Salmonella
on Immersion-Chilled Broiler Carcasses. Journal of
Food Protection, 2005. 68(7): p. 1340–1345.
124 Sampling Results for FSIS-Regulated Products.
Available at: https://www.fsis.usda.gov/sciencedata/sampling-program/sampling-results-fsisregulated-products.
125 FSIS Guidance for Controlling Salmonella in
Poultry (June 2021) p. 59. Available at: https://
www.fsis.usda.gov/sites/default/files/media_file/
2021-07/FSIS-GD-2021-0005.pdf.
126 Codex Guideline for the Control of
Campylobacter and Salmonella in Chicken Meat at:
https://www.fao.org/fao-who-codexalimentarius/shproxy/en/?lnk=1&url=https%253A%252F%252
Fworkspace.fao.org%252Fsites%252Fcodex%252
FStandards%252FCXG%2B78-2011%252FCXG_
078e.pdf.
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Salmonella that is present in certain
parts of the bird may be added to
interior edible muscle where
Salmonella is not ordinarily found. For
example, Salmonella can be found in
feather follicles in the skin.127 128 When
the skin is cut, Salmonella can be
exposed and spread during processing
to previously uncontaminated product
and/or increased in product with low
levels of contamination.129 In addition,
Salmonella-negative raw poultry parts
and comminuted poultry may become
cross-contaminated by contact with
Salmonella-contaminated equipment or
when they are commingled with
Salmonella-positive products, such as
when they are collected in combo bins
for further processing.130 131
Comminuted products are those that
are ground, mechanically separated, or
hand- or mechanically deboned and
further chopped, flaked, minced, or
otherwise processed to reduce particle
size. Because of the nature of
comminuted processes, Salmonella
contamination in chicken skin and bone
can spread throughout an entire batch or
lot through cross-contamination. FSIS
sampling data show that ground and
other raw comminuted chicken
products that were produced using
either bone-in or skin-on source
materials were more likely to be
contaminated with Salmonella than
those fabricated from deboned, skinless
source materials.132 Salmonellacontaminated equipment used to
produce comminuted poultry may also
contribute to Salmonella contamination
in these products.
FSIS requests comments on whether
the available science supports that some
Salmonella in a raw poultry product is
‘‘naturally occurring’’ and some is
‘‘added.’’ FSIS also requests comments
on whether, under the reasoning of
Anderson Seafoods or another rationale,
the Agency has authority to regulate
Salmonella as an ‘‘added substance’’ if
it can demonstrate that some
Salmonella can be artificially
127 Kim J–W and Slavik MF. 1996.
Cetylpyridinium Chloride (CPC) treatment on
poultry skin to reduce attached Salmonella. J. Food
Prot. 59: 322–326.
128 Wu D, Alali WQ, Harrison MA, and Hofacre
CL. 2014. Prevalence of Salmonella in neck skin
and bone of chickens. J Food Prot. 77(7): 1193–
1197.
129 FSIS Guidance for Controlling Salmonella in
Poultry (June 2021) pp. 59–60.
130 FSIS Guidance for Controlling Salmonella in
Poultry (June 2021) pp. 59.
131 Codex Guideline for the Control of
Campylobacter and Salmonella in Chicken Meat.
132 FSIS Guidance for Controlling Salmonella in
Poultry (June 2021) pp. 65–66, Table 4 FSIS
exploratory sampling test results, raw comminuted
chicken by source material composition (6/1/13–6/
30/15, 2,688 samples.
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introduced into raw poultry products
through processing procedures and
other actions attributable to man.
As discussed above, consumer
behavior research shows that
Salmonella can survive what many
consumers consider to be ordinary
cooking and handling practices for
chicken carcasses, chicken parts,
comminuted chicken, and comminuted
turkey. In addition, the 2023 risk
assessments, which modeled a broad
distribution of consumer cooking
behavior, found that servings of these
products that test positive for
Salmonella at levels at or above 10 cfu/
mL(g) and a serotype of public health
significance are much more likely to
cause illness when compared to the
majority of chicken carcasses, chicken
parts, comminuted chicken, and
comminuted turkey servings. Thus,
regardless of whether Salmonella is
considered as an ‘‘added substance,’’
FSIS tentatively determines through this
proposal that raw chicken carcasses,
chicken parts, comminuted chicken,
and comminuted turkey that contain
Salmonella levels at or above 10 cfu/
mL(g) and a serotype of public health
significance are adulterated under 21
U.S.C. 453(g)(1) because when
contaminated with these levels and
serotypes of Salmonella, the high
likelihood that raw chicken carcasses,
chicken parts, comminuted chicken,
and comminuted turkey will result in
illnesses when compared to the average
serving of these products ‘‘ordinarily’’
renders them injurious to health.
Additionally, through this proposal,
FSIS tentatively determines that raw
chicken carcasses, chicken parts,
comminuted chicken, and comminuted
turkey contaminated with Salmonella
levels and serotypes in the proposed
final product standards are adulterated
as defined in 21 U.S.C. 453(g)(3)
because their elevated risk of illness
makes them ‘‘unsound, unhealthful,
unwholesome, or otherwise unfit for
human food.’’ This tentative
determination does not depend on the
status of Salmonella as an ‘‘added
substance.’’
FSIS requests comments on its
proposed determination that, when
contaminated with Salmonella at the
levels and serotypes provided in the
final products standards, chicken
carcasses, chicken parts, comminuted
chicken, and comminuted turkey are
adulterated as defined in 21 U.S.C.
453(g)(1) and (3) and whether there are
alternative bases for determining
adulteration for these poultry products.
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F. Proposed Policy Implementation
1. HACCP Reassessment
The HACCP system regulations
require that every establishment
reassess the adequacy of its HACCP plan
at least annually and whenever any
changes occur that could affect the
underlying hazard analysis or alter the
HACCP plan (9 CFR 417.4(a)(3)). If
finalized, FSIS’ proposed determination
that chicken carcasses, chicken parts,
comminuted chicken and comminuted
turkey that contain Salmonella levels of
10 cfu/mL(g) or higher and any
detectable levels of a serotype of public
health significance are adulterated
would be such a change. Thus, if FSIS
finalizes this proposed determination,
all establishments that produce chicken
carcasses, chicken parts, comminuted
chicken, and comminuted turkey as
final products that will enter commerce
would need to reassess their HACCP
plans. Establishments that make
changes to their production process
because of their reassessment would
also need to re-validate their HACCP
plans. FSIS would issue instructions to
IPP in establishments that produce these
final products to verify that these
establishments have completed their
reassessment before the effective date of
any final determination resulting from
this proposal.
2. Proposed Implementation and Status
of Laboratory Methods
Products subject to verification
sampling. Should FSIS finalize these
proposed standards, the Agency intends
to conduct a routine sampling and
verification testing program for
Salmonella in chicken carcasses,
chicken parts, comminuted chicken,
and comminuted turkey in which the
Agency would collect samples of raw
final products and analyze them for
Salmonella levels and serotypes to
determine whether the final product is
adulterated. FSIS would collect the
verification samples after the
establishment has completed all
validated antimicrobial interventions.
Under the proposed Salmonella
verification testing program, FSIS
intends to only collect and analyze
samples of the final poultry products
produced by an establishment, i.e.,
chicken carcasses to be shipped in
commerce as whole chickens, chicken
parts to be shipped in commerce as
chicken parts, comminuted chicken to
be shipped in commerce as comminuted
chicken products, and comminuted
turkey to be shipped in commerce as
comminuted turkey products. Thus,
under this proposal, if a chicken
slaughter establishment uses carcasses
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processed in the establishment to
produce other final products, such as
chicken parts or comminuted chicken,
FSIS would not collect whole carcass
samples as part of the proposed
verification sampling program.
Likewise, chicken parts produced by an
establishment that are intended for use
in another final product produced by
the establishment, such as comminuted
chicken, would not be subject to FSIS
verification sampling. FSIS also does
not intend to collect samples of
mechanically separated chicken or
mechanically separated turkey under
the proposed verification sampling
program. However, final comminuted
chicken and turkey products that
contain mechanically separated chicken
or turkey would be eligible for
verification sampling.
The final product samples collected
under the proposed verification
sampling plan would be determined on
an establishment basis. Thus, all raw
final products produced by an
establishment that are not intended to
be further processed into a RTE product
would be subject to verification
sampling regardless of where the
product is shipped. For example, FSIS
would consider whole carcasses or parts
to be final products subject to
verification sampling if the
establishment that produced the
carcasses or parts ships them to another
establishment for further processing into
a raw parts or comminuted product.
FSIS would not, however, collect
verification samples from raw whole
carcasses, parts, or comminuted
products that are shipped to another
establishment for cooking or to be
further processed into a ready-to-eat
product. If off-site interventions, such as
high-pressure processing or irradiation,
are applied to prevent or control
Salmonella, FSIS would sample the
product after the off-site intervention is
applied.
Additionally, should FSIS finalize
these proposed final product standards,
the Agency intends to conduct testing
for Salmonella of imported raw chicken
carcasses, chicken parts, comminuted
chicken, and comminuted turkey
products in accordance with FSIS’
import reinspection procedures.133
Poultry imports represent a small
fraction of the U.S. domestic poultry
supply, accounting for less than 0.5
133 FSIS Directive 9900.2, Import Reinspection of
Meat, Poultry and Egg Products (Rev. 2)(Oct 12
2021). Available at: https://www.fsis.usda.gov/
policy/fsis-directives/9900.2.
FSIS Directive 9900.6, Laboratory Sampling
Program for Imported Meat, Poultry, and Egg
Products (Nov 3, 2015). Available at: https://
www.fsis.usda.gov/policy/fsis-directives/9900.6.
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percent in 2021. Currently, FSIS
samples and tests imported chicken
carcasses, chicken parts, comminuted
chicken, and comminuted turkey for the
presence of Salmonella. According to
data from PHIS, in 2021, FSIS collected
and analyzed about 850 samples of
imported chicken and turkey products,
which represented about 15.8 million
pounds of product. These samples were
mainly from chicken parts and
carcasses, as imports of comminuted
chicken and turkey are relatively low.
While data on the volume of imported
product with results at or above 10 cfu/
mL(g) are not available, FSIS estimates
this would be a relatively low volume
of product.
Sample analysis. The detection and
isolation methodology for Salmonella is
described in MLG chapter 4.14, of the
FSIS Microbiology Laboratory
Guidebook.134 Based on current FSIS
methodologies, when sampling the
chicken carcasses and parts under this
proposed determination, FSIS would
collect a rinsate sample from the
establishment to analyze 30 mL per test
for Salmonella. When sampling
comminuted chicken or comminuted
turkey, the Agency would collect 1
pound of the product from the
establishment to analyze 325 g per test
for Salmonella. Samples would be
initially screened, post-enrichment, for
the presence or absence of Salmonella.
Samples that screen negative would be
reported as ‘‘negative.’’ For samples that
screen positive, FSIS would use
selective and differential culture-based
media and proteomics testing to
confirm. In parallel, all screen positives
will be analyzed for levels and targeted
rapid serotype screening. A sample is
considered confirmed positive for
Salmonella after completion of
confirmatory tests. Any chicken carcass,
chicken parts, comminuted chicken, or
comminuted turkey final product
sample ‘‘confirmed positive’’ with
Salmonella levels of 10 cfu/mL(g) or
higher and screened positive for a
serotype of public health significance
would not be allowed to enter
commerce. Any chicken carcass,
chicken parts, comminuted chicken, or
comminuted turkey final product
sample that contains Salmonella levels
of 10 cfu/mL(g) or higher and a serotype
of public health significance would be
considered adulterated.
Based on current testing
methodologies, FSIS estimates that
Salmonella screening results and
quantification results would routinely
134 FSIS
Microbiology Laboratory Guidebook
available at: https://www.fsis.usda.gov/news-events/
publications/microbiology-laboratory-guidebook.
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be available 2 days after a sample is
taken. For samples above the
quantification threshold, an additional 3
days may be necessary for a confirmed
positive or negative result. Currently,
the routine procedure is to use WGS to
determine Salmonella isolate sequence,
serotypes, and antimicrobial resistance
(AMR) profile, which require at least 14
days for result reporting. FSIS could use
a non-routine molecular serotyping
methodology to determine the serotype
in a more time sensitive manner such
that results would be available by
Salmonella confirmation, 5 days after
sample collection, if not sooner.
FSIS is proposing the combined
quantification and serotype final
product standards recognizing current
efforts underway by ARS and private
sector laboratories to develop rapid,
reliable, Salmonella quantification and
serotyping technologies. FSIS is actively
working to explore technologies that
may have the capability of WGS in
determining serotype and reduce the
current timeframe. All timeframes and
methods are likely to change as FSIS
continuously incorporates new
laboratory technologies into its
sampling verification program. Any
final verification sampling plan
resulting from this proposal would use
testing methods that are validated and
fit for purpose.
FSIS requests comments on available
technologies and methods for of
quantification and serotyping. If FSIS
finalizes this proposed sampling plan,
data gathered from the sampling plan
would enable the Agency to gauge more
precisely the hazard posed by certain
Salmonella levels and serotypes in
chicken carcasses, chicken parts,
comminuted chicken, and comminuted
turkey. FSIS intends to further evaluate
and, if necessary, refine the proposed
status of Salmonella as an adulterant in
these raw poultry products as advances
in science and technology related to
pathogen levels, serotypes, and
virulence genes become available.
Sampled Lot. When FSIS tests a
product sample for adulterants, the
Agency withholds its determination as
to whether product is not adulterated,
and thus eligible to enter commerce,
until all test results that bear on the
determination have been received (77
FR 73401). Under this policy,
establishments and importers of record
at official import inspection
establishments must maintain control of
products tested for adulterants to ensure
that the products do not enter commerce
while waiting for receipt of the test
results. Thus, if FSIS finalizes its
proposed routine Salmonella
verification testing program for chicken
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carcasses, chicken parts, comminuted
chicken, and comminuted turkey,
establishments that produce these raw
products and official import inspection
establishments where these raw
products are reinspected would need to
control and maintain the integrity of the
sampled lot pending the availability of
test results.
Under any final verification sampling
plan, FSIS IPP would give
establishments and official import
inspection establishments advance
notice before IPP collect a product
sample for Salmonella to give these
entities enough time to control the
sampled lot without altering the process
that the sample represents. The sampled
lot is the product represented by the
sample collected and analyzed by FSIS.
Establishments are responsible for
providing a supportable basis for
defining the sample lot. For sampling
purposes, product lots should be
defined such that they are
microbiologically independent.
Microbiological independence is
documented by separation, e.g.,
physical, temporal, or by sanitation
intervention, that clearly delineates the
end of one production lot and the
beginning of the next. The
microbiological results from one test are
independent of prior or later lots. In
other words, if a product sample tests
positive for Salmonella at a level of 10
cfu/mL(g) or higher and contains a
detectable level of at least one serotype
of public health significance, products
from other production lots should not
be implicated, provided the
establishment can support that the lots
remain microbiologically independent.
Generally, FSIS recommends that
establishments develop and implement
in-plant sampling plans that define
production lots or sub-lots that are
microbiologically independent of other
production lots or sub-lots. Production
lots that are so identified may bear
distinctive markings on the shipping
cartons. FSIS has issued guidance to
help establishments and official import
inspection establishments comply with
the Agency’s policy that does not allow
product that FSIS has tested for
adulterants to enter commerce until test
results become available.135 In addition
to providing guidance on adequate
control measures that establishments
and official import inspection
establishments can implement for
products tested for adulterants, the
document also includes guidance on
135 FSIS Compliance Guideline: Controlling Meat
and Poultry Product Pending FSIS Test Results
(2013) at: https://www.fsis.usda.gov/guidelines/
2013-0003.
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how to define a product lot in order to
determine the amount of product that
must be controlled pending test results.
If FSIS finalizes the proposed new
standards for chicken carcasses, chicken
parts, comminuted chicken, and
comminuted turkey, FSIS would
consider updating the guidance to cover
Salmonella sampling of these raw
poultry products.
As discussed above, establishments
would be required to control the raw
poultry products sampled by FSIS
pending the test results. If test results
detect Salmonella at a level of 10 cfu/
mL(g) or higher and at least one
Salmonella serotype of public health
significance, FSIS would consider
products represented by the sampled
lots to be adulterated and would issue
an NR. Additionally, all products in the
lot represented by the sample would be
prohibited from entering commerce. If
any product from the lot represented by
the product samples has entered
commerce, FSIS would request that the
producing establishment recall the
implicated products. Depending on the
circumstances, in addition to issuing an
NR, FSIS could take other appropriate
enforcement action as authorized in 9
CFR part 500 because the establishment
would have produced and shipped
adulterated product. Such actions may
include immediately suspending
inspection or issuing an NOIE.
For imported products tested at port
of entry, if the product tests positive for
Salmonella at 10 cfu/mL(g) or higher
and any detectable level of a Salmonella
serotype of public health significance
and has not been held at the official
import inspection establishment or at an
off-site premises under adequate
controls, FSIS would request that the
importer of record recall the product. If
the product has been held, the product
will be refused entry. Product lots
subsequently presented for import
inspection from the same foreign
country and establishment would be
held at the official import inspection
establishment pending results in
accordance with FSIS’ import
reinspection procedures.136 The FSIS
Office of International Coordination
would notify the program officials of the
affected exporting country when a
positive result is reported, so that they
can determine whether the producing
establishment has exported any other
product from the same production lot to
the United States. If the foreign
establishment has properly defined the
136 FSIS Directive 9900.8, Meat, Poultry, and Egg
Products Refused Entry into the United States (Dec.
1 2020). Available at: https://www.fsis.usda.gov/
policy/fsis-directives/9900.8.
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product lot on the basis of specific
control factors, and accurately tracked
the containerization of product
produced under those controls, the
establishment can reduce the likelihood
that adulterated product will enter
commerce and can more easily recover
product if a sample is positive for
Salmonella levels and serotypes that
would render the product adulterated.
Proposed implementation. To mitigate
the impact of regulatory changes on
small and VS establishments, FSIS has
typically used a phased approach for
implementation to provide additional
time for small and VS establishments to
adjust their operations to comply with
any new regulatory requirements. FSIS
defines large, small, and VS
establishments based on the number of
establishment employees and, for VS
establishments, annual sales.137
Should FSIS finalize the proposed
final product standards, the Agency
intends to use a phased approach to
initiate verification sampling in
establishments that produce raw
chicken carcasses, chicken parts,
comminuted chicken, and comminuted
turkey. However, instead of
implementing the Agency’s verification
sampling program based on the current
large, small, and VS establishment size
definitions, FSIS has tentatively decided
to establish implementation dates based
on annual number of birds slaughtered
or, for establishments that do not
conduct slaughter operations,
production volume. The current small
establishment size definition was
established in the HACCP final rule and
corresponded to the Small Business
Administration’s size standards for
business entities at that time (61 FR
38819). However, because FSIS has
applied these standards to individual
establishments rather than business
entities, establishments classified as
‘‘small’’ may have up to 500 employees.
Thus, FSIS believes that a phased
implementation based on production
volume would be a more effective
approach to mitigate the impact of this
proposed determination on low and
VLV establishments than the current
establishment size definitions.
As FSIS implements the final product
standards verification sampling
program, the Agency has tentatively
decided to phase out all current
Salmonella performance standards for
poultry. Thus, when the proposed final
product verification sampling program
137 Large establishments are establishments with
500 or more employees, small establishments are
establishments with 10 or more employees but
fewer than 500, and very small establishments are
establishments with fewer than 10 employees or
annual sales of less than $2.5 million.
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is fully implemented, FSIS would no
long use Salmonella sampling results to
categorize poultry establishments and
would no longer publish these
establishments’ performance standards
categories on the FSIS website. FSIS
evaluates and revises its sampling and
testing programs each year. Any final
verification sampling program resulting
from this proposal would be sufficient
to verify that establishments are meeting
the final product standards.
The proposed production volume
categories and proposed verification
sampling implementation schedule are
as follows.
TABLE 6—PROPOSED IMPLEMENTATION
DATES
Establishment
volume category
High ...................
Medium .............
Low ...................
Very Low ...........
Implementation date
1
2
3
3
year after publication.
years after publication.
years after publication.
years after publication.
TABLE 7—PROPOSED VOLUME
CATEGORIES CHICKEN PARTS
Volume category
High ...................
Medium .............
Low ...................
Definition
(annual production pounds)
Over 70,000,000.
Between 1,000,000 and
70,000,000.
Less than 1,000,000.
TABLE 8—PROPOSED VOLUME
CATEGORIES CHICKEN CARCASSES
Establishment
volume category
High ...................
Medium .............
Low ...................
Very Low ...........
Definition
(birds slaughtered per year)
Over 10 million.
Between 1.1 and 10 million.
Between 440,001 and < 1.1 million.
No more than 440,000.
TABLE 9—PROPOSED VOLUME CATEGORIES COMMINUTED CHICKEN AND
TURKEY
Volume category
High ...................
Medium .............
Low ...................
Definition
(daily production pounds)
Over 250,000.
Between 6,001 and 250,000.
No more than 6,000.
FSIS requests comments on this
proposed implementation approach and
on the proposed establishment
production volume categories. FSIS also
requests comments on whether the
Agency should phase out the current
performance standards as the Agency
implements the final product standards
or if the Agency should retain the
current performance standards and later
determine if these standards are still
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needed when evaluating the
effectiveness of the proposed final
product standards.
FSIS also requests comments on
whether the Agency should consider an
alternative implementation approach
that would focus its final product
verification sampling on establishments
that have a demonstrated lack of process
control. Under such an approach, FSIS
would establish a microbial process
control standard based on a threshold or
some other parameter and require that
establishments conduct sampling at a
frequency sufficient to demonstrate that
they are meeting the process control
standard. Establishments whose results
exceed the process control standard
would be required to conduct
intensified sampling, including
environmental sampling and sampling
at multiple points in the process, to
determine if the initial results were an
outlier or if there are problems with the
establishment’s production process. If
an establishment’s intensified sampling
results show that it is meeting the
process control standard, the
establishment would return to the
standard sampling protocol. If the
establishment continues to exceed the
process control standard, it would be
required to take corrective actions and
continue to conduct intensified
sampling. If the establishment exceeds
the process control standard again, FSIS
would collect and analyze final product
samples for Salmonella levels and
serotypes because, at this point, the
establishment would have a record that
demonstrates that there are problems
with its production process. The
establishment would be required to
control product represented by the
sampled lot pending FSIS’ test results.
Product that tests positive for
Salmonella at or above 10 cfu/mL(g) and
a Salmonella serotype of public health
significance would be considered unfit
for human food and would be
prohibited from entering commerce. If
the establishment released the product
into commerce, the product would be
subject to recall.
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III. Component Two: Enhanced
Establishment Process Control
Monitoring
A. Background and Current Regulatory
Requirements
Process control monitoring, in the
context of poultry slaughter, consists of
the programs and procedures an
establishment implements to ensure its
processes are operating as intended in
preventing contamination (including
contamination with enteric pathogens
and fecal material) of poultry carcasses
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and parts throughout the slaughter and
dressing process and to ensure that the
resulting products meet applicable
regulatory standards or definitions (79
FR 49565, 49602). Establishments must
demonstrate that their process is in
control by implementing verification
procedures, collecting data, and
developing and maintaining accurate
records to demonstrate that their
processes and procedures are
performing as intended and as required
(9 CFR 381.65(g) and (h) and 9 CFR part
417). An effective process control
system entails an establishment
responding effectively to re-establish
control when its ongoing verification
activities show that its processes are not
producing the expected results.
Effective process control monitoring
procedures should lead to lower rates of
pathogen contamination because
establishments will discover
deficiencies in processing sooner and
more reliably than would be the case
without effective process control
monitoring procedures.
Contamination of poultry carcasses
and parts by enteric pathogens and fecal
material (e.g., Salmonella and
Campylobacter) are hazards reasonably
likely to occur in poultry slaughter
establishments unless addressed in a
sanitation SOP or other prerequisite
program (79 FR 49565, 49613). To
ensure that establishments that
slaughter poultry implement
appropriate measures to prevent
carcasses from becoming contaminated
with pathogens, and that both FSIS and
establishments have the documentation
to verify the effectiveness of these
measures on an on-going basis, current
regulations require, among other things,
that all establishments that slaughter
poultry other than ratites develop,
implement, and maintain written
procedures to prevent contamination of
poultry carcasses and parts by enteric
pathogens and fecal material throughout
the entire slaughter and dressing
operation (9 CFR 381.65(g)).
Establishments are required to
incorporate their process control
procedures into their HACCP plan,
sanitation SOPs, or other prerequisite
programs (collectively, ‘‘the HACCP
system’’) and maintain daily records
sufficient to document the
implementation and monitoring of these
procedures (9 CFR 381.65(g) and (h)).
Microbiological test results that
represent levels of microbiological
contamination at key steps in the
slaughter process are necessary for
establishments to provide
comprehensive, objective evidence that
they are effectively maintaining process
control to prevent carcasses from
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becoming contaminated before and after
they enter the chiller (79 FR 49565,
49602). At present, establishments
conduct pre-chill testing to monitor how
well an establishment is minimizing
contamination on live birds coming to
slaughter and on carcasses throughout
the slaughter and dressing process, and
post-chill testing to monitor how well
an establishment is minimizing
contamination during chilling and the
overall effectiveness of any
antimicrobial interventions that were
applied (79 FR 49565, 49566). FSIS also
collects a verification sample at the
post-chill location and tests for
Salmonella and Campylobacter. In
2012, FSIS considered requiring a third
establishment sampling location at
rehang (i.e., after picking and prior to
evisceration) to monitor the incoming
load of pathogens but concluded that it
was unnecessary to impose the
additional costs on industry (77 FR
4407, 4428).
Regulations at 9 CFR 381.65 (h) and
9 CFR 417.5 (a)(1) require
establishments to document their
procedures and results in records
subject to Agency verification. At a
minimum, these procedures must
include sampling and analysis for
microbial organisms at the pre- and
post-chill location to monitor for
process control, with an exception for
VS and VLV establishments operating
under the Traditional Inspection System
(9 CFR 381.65 (g)(1)).138 In 2014, FSIS
stated that because these establishments
are typically less automated and run
slower line speeds than larger
establishments operating under other
inspection systems, they may require
less complicated measures for
maintaining and monitoring process
control on an ongoing basis (79 FR
49565, 49603). Therefore, at present,
they are required to collect and analyze
samples for microbial organisms only at
the post-chill location.
In addition to prescribing the
sampling locations for monitoring
process control, the regulations specify
a minimum sampling frequency to
ensure establishments can detect
changes in processing or inconsistencies
138 Very small establishments are establishments
with fewer than 10 employees or annual sales of
less than $2.5 million dollars (9 CFR
381.65(g)(1)(i)). Very low volume establishments
annually slaughter no more than 440,000 chickens,
60,000 turkeys, 60,000 ducks, 60,000 geese, 60,000
guineas, or 60,000 squab (9 CFR 381.65(g)(1)(ii)).
Traditional Inspection must be used for turkeys
when neither the New Turkey Inspection System
(NTI) nor the New Poultry Inspection System
(NPIS) is used. For other classes of poultry,
Traditional Inspection must be used when SIS,
NELS, and the NPIS are not used (9 CFR
381.76(b)(1)(v)).
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that may occur (79 FR 49565, 49604). At
a minimum, for chickens,
establishments are required to collect a
pair of pre-and post-chill samples once
per 22,000 processed carcasses, but at a
minimum of once each week of
operation, and for turkeys, ducks, geese,
guineas, and squab, establishments are
required to collect a pair of samples
once per 3,000 processed carcasses but
a minimum of once each week of
operation (9 CFR 381.65(g)(2)(i)). To
minimize the sampling costs to the
lower volume establishments, VLV
establishments must minimally collect
and analyze samples at least once
during each week of operation starting
June 1 of every year. If, after
consecutively collecting 13 weekly
samples, an establishment can
demonstrate that it is effectively
maintaining process control, it may
modify its sampling plan (9 CFR
381.65(g)(2)(ii)). All establishments are
required to conduct testing at a
frequency sufficient to detect a loss of
process control soon after it occurs so
that they can take the necessary
corrective actions to prevent further
product contamination (79 FR 49565,
49605). Therefore, regardless of the
prescribed minimum sampling
frequency, the establishment must
sample at a frequency that is adequate
to monitor their ability to maintain
process control for enteric pathogens
and fecal contamination (9 CFR
381.65(g)(2)(iii)).
When FSIS updated its poultry
inspection regulations in 2014 (79 FR
49565), it referenced data from FSIS’
2007–2008 Young Chicken Baseline
survey (hereinafter, the ‘‘baseline
survey’’), which found levels of
detectable generic E. coli (GEC) on postchill carcasses well below the
performance criteria in the existing
regulations.139 The baseline survey
found that over 60 percent of samples
had non-detectable levels of GEC.
Among 12 establishments from which
10 or more samples were analyzed, none
had detectable levels of GEC. On the
other hand, FSIS analyzed 22 samples
from each of 2 of these establishments
and found that all 44 samples had
detectable AC measurements. FSIS also
concluded that AC levels at rehang were
more highly correlated with Salmonella
than GEC levels which suggested that
AC measurements might provide a
better measure of process control.140
139 FSIS (2007). Young Chicken Survey (baseline)
June 2007–June 2008. https://www.fsis.usda.gov/
sites/default/files/media_file/2020-07/Baseline_
Data_Young_Chicken_2007-2008.pdf.
140 Williams, M.S., et al. (2015). ‘‘Industry-level
changes in microbial contamination on market hog
and broiler chicken carcasses between two locations
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Despite the baseline survey findings,
FSIS did not require that establishments
use a specific microbial organism to
monitor process control when it
updated its regulations in 2014. Thus, at
present, establishments decide which
microbiological organisms will best help
them to monitor the effectiveness of
their process control procedures and
may develop sampling plans to test
carcasses for enteric pathogens, such as
Salmonella, or another appropriate
indicator organism. Because
establishments must incorporate their
microbiological sampling plan into their
HACCP system, they are required to
provide scientific or technical
documentation to support the
judgements made in designing their
sampling plans, as required by 9 CFR
381.65 (h) and HACCP regulation 9 CFR
417.4(a).
B. Need To Enhance Establishment
Process Control Monitoring
Based on NACMCF recommendations,
an analysis of PHIS inspection results,
sampling data, and the findings of the
2023 risk assessments, FSIS has
determined that there is a need to
enhance establishment process control
monitoring. These recommendations
and findings are discussed below and
collectively support FSIS’ conclusion
that regulatory revision will improve
establishments’ ability to monitor
microbiological process control;
demonstrate the effectiveness of their
measures to prevent carcasses from
becoming contaminated; and ensure that
both FSIS and establishments have the
documentation necessary to verify the
effectiveness of these measures on an
on-going basis. These recommendations
and findings have also prompted FSIS
to evaluate the need for additional
resources, services, and guidance to
help establishments develop
microbiological process control
monitoring programs and comply with
FSIS requirements.
1. NACMCF Charge and
Recommendations
According to NACMCF, process
control can be defined as maintaining
the output of a process within a desired
range based on stability and capability
to meet specifications.141 Process
in the slaughter process.’’ Food Control 51: 361–
370.
141 Note that a process can be stable and not
capable of meeting specifications, or an unstable
process may produce product that meets
specifications. NACMCF (2015). ’’ Regarding
Microbiological Criteria as Indicators of Process
Control or Insanitary Conditions, available at
https://www.fsis.usda.gov/sites/default/files/media_
file/2020-07/NACMCF-Report-Process-Control061015.pdf.
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control is accomplished through six
steps: (1) The output must be monitored
and quantified with appropriate
sampling and testing; (2) There must be
predefined limits and targets traceable
to acceptable specifications and the
history of the process; (3) The
monitoring results must be compared to
the relevant process control limits; (4)
There must be a predetermined plan of
action (such as a corrective action plan)
based on the size and frequency of
deviation from relevant limits; (5) The
proper action must be decided upon
based on the observed deviation; and (6)
the proper action must be promptly
taken to adjust the process.142
In 2015, NACMCF provided
microbiological limits for food
categories that reflect process control
and sanitary manufacturing conditions.
These limits can help FSIS-regulated
establishments develop systems for
measuring SPC. SPC is an approach that
uses statistical methods to monitor and
control a process. A process is under
statistical control when the output
varies as expected within a statistical
range. Process variability is caused by
chance or assignable causes. Assignable
causes can be linked to improperly
adjusted or controlled machines,
operator errors, or defective raw
material. A process that is operating
with assignable causes is out-ofcontrol.143 Process capability is defined
as the degree by which SPC limits fall
within specifications. If the process
exceeds an upper or a lower
specification limit, the product does not
meet the specification even if it is
operating without assignable causes and
is in control. Process capability is
traditionally measured using a process
capability index (Cp). For example,
USDA’s Agricultural Marketing Service
uses Cp to monitor process control of fat
content meeting allowable upper and
specification lower limits and a one-side
calculated process capability to monitor
process control of microbial detection
levels meeting upper allowable limits in
raw beef finished products as part of the
National School Lunch Program.144
Using microbiological testing to
monitor SPC presents some challenges.
Some testing may result in a discrete
(presence/absence or binary) result or a
continuous measure such as a plate
142 NACMCF (2018). ‘‘Response to Questions
Posed by the Department of Defense Regarding
Microbiological Criteria as Indicators of Process
Control or Insanitary Conditions.’’ J Food Prot 83(1):
115–141.
143 Montgomery, D.C. (2013). Introduction to
Statistical Quality Control 7th edition, chapter 5.
144 AMS National School Lunch Program,
information available at: https://www.fns.usda.gov/
nslp.
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count. Binary results and plate counts
are typically modeled using a binomial
or Poisson probability distributions, and
their log-transformed values usually
follow a lognormal distribution from
which the statistical mean and variance
may be calculated and used for SPC
analyses that assume a normal
probability distribution. Count data may
include zero results, either due to the
absence of the organism, or presence at
levels below or above the test’s limits of
quantitation (LOQ). The later result is
referred to as a censored value. Data
with censored results exceeding the
number of zeros expected by the
Poisson distribution may consist of a
heterogeneous mixture in which the
organism is completely absent from
some portion of the product and present
in another portion. Such results may
follow a zero-inflated Poisson
distribution. A variety of methods have
been proposed to fit censored data to a
probability distribution. The choice of
method depends on the number of
samples and the proportion with
enumerated samples. A distribution
function cannot be reliably fitted to a
dataset where fewer than 20 percent of
samples are enumerated,145 which is an
important consideration for using count
data. Other considerations for SPC
include sampling frequency and lot
definition. With respect to frequency,
counts are more robust than binary
results, and indicators of process control
are best obtained with higher frequency
sampling. NACMCF recommended
sampling frequency be capable of
detecting the presence of expected
assignable causes within the first 10
percent of their persistence time since
disruptions occur for a finite period and
not much is learned if the disruption is
not detected or detected too late for
corrective action. Product lot definition
has implications both for determining
the acceptability of a lot and for
monitoring SPC. In general, the defined
product lot should be produced under
reasonably constant conditions so that a
lot is a homogeneous volume of
contemporaneous production for
calculating the mean level and
variability. For poultry slaughter and
dressing, a homogeneous volume of
contemporaneous production means
that each lot should represent a cohort
(flock) of birds raised, transported,
slaughtered and processed over the
same period and locations. Production
lots with equivalent means may have
145 Williams, M.S., et al. (2013). ‘‘Sample size
guidelines for fitting a lognormal probability
distribution to censored most probable number data
with a Markov chain Monte Carlo method.’’
International Journal of Food Microbiology 165(2):
89–96.
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different variabilities and therefore, SPC
methods should evaluate variance both
within and between production lots.
When a microbiological sampling
program is properly designed and
implemented, it can provide valuable
information about an establishment’s
process control. A well-designed
microbiological sampling program
should clearly define the intended use
of the testing program, organisms of
concern that will be the target of testing,
sampling units (flocks, houses at
preharvest, carcasses or parts at postharvest), sampling scheme,
microbiologically independent lotting
practices, sampling locations,
procedures for sample collection and for
maintaining sample integrity, testing
method, method for evaluating test
results, and actions taken based on test
results.146 Results charting is typically
used to identify trends and for
identifying exceptions to process
control that could be due to assignable
causes. For low frequency binary
results, NACMCF recommended a gchart based on mean time between
events. For higher frequency binary
results, a p-chart based on proportions
is recommended, and for counts, mean
and range charts can be used.
In 2019, NACMCF concluded that
most carcass contamination results from
leakage of ingesta during crop removal,
from feces during evisceration, as well
as aerosolization during picking.147 The
committee also advised, to best assess
controls, each establishment should
look at the whole food safety system
from breeder farm through processing,
so it is not overwhelmed by the
incoming load. Evaluating the
prevalence and concentration of
Salmonella on carcasses and parts
throughout the production process
unique to each facility can help to
identify pathogen reduction at each step
in the process.
In its October 2021 charge to the
NACMCF Subcommittee on Enhancing
Salmonella Control in Poultry Products,
FSIS noted there is a documented
correlation between a reduction in the
quantity of AC between carcasses and
finished products and the occurrence of
Salmonella in finished products for
beef, pork, and poultry. The Agency
specifically requested that the
Subcommittee provide guidance on how
this information might be used to set
146 NACMCF (2019). ‘‘Response to Questions
Posed by the Food Safety and Inspection Service
Regarding Salmonella Control Strategies in
Poultry.’’ Journal of Food Protection 82(4): 645–668.
147 NACMCF (2019). ‘‘Response to Questions
Posed by the Food Safety and Inspection Service
Regarding Salmonella Control Strategies in
Poultry.’’ Journal of Food Protection 82(4): 645–668.
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microbiological criteria to assess process
(pathogen) control in poultry.148
In response to FSIS’ request for
guidance on setting microbiological
criteria to assess process control in
poultry, the 2023 NACMCF report
discussed process control as a method
of determining trends over time and
how it is useful to determine the sources
of variation within a process. It noted
that ‘‘indicator organisms such as
Enterobacteriaceae (EB) or [AC] have
been used by the industry as gauges of
process control and to measure the
microbial reduction from carcasses at
slaughter to post-chill.’’ The report
stated that ‘‘studies show conflicting
and apparent weak correlation between
indicators and either the presence or
level of Salmonella post carcass wash.’’
The report also stated that, in addition
to published studies, ‘‘unpublished data
provided by the poultry industry and
university researchers suggests that
indicator bacteria have very limited
predictive value for the prevalence of
Salmonella.’’
Although the report found that the
available data show that in many cases
there may not be a strong statistical
correlation between the presence or
amount of an indicator and the presence
or amount of Salmonella at specific
points during processing or in finished
poultry products, the report concluded
that, ‘‘. . . a change in [AC] from an
early sampling point on the slaughter
line to a final sampling point on the
processing line, as well as absolute
levels at the final point, may provide
useful information about the
effectiveness of the process in
maintaining hygienic conditions.’’
Therefore, the report concluded, ‘‘[AC]
may be useful to indicate process
control even though it is not a true
indication of the presence, level, or
virulence of Salmonella.’’
2. PHIS Inspection Data
The purpose of 9 CFR 381.65(g) and
(h) is to ensure that establishments
implement appropriate measures to
prevent carcasses from becoming
contaminated throughout the slaughter
and dressing operation. Establishments
must design and implement a program
that uses microbiological sampling and
analysis to monitor their ability to
maintain process control and produces
the documentation needed for FSIS and
the establishment to continuously verify
the effectiveness of these measures on
an on-going basis, i.e., an MMP.
Establishments must provide scientific
and technical support to justify the
design of their MMPs.
148 2021–2023
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As discussed, SPC monitoring
evaluates microbial data against
predefined quantitative and qualitative
specifications. SPC monitoring results
that do not fall within the predefined
specifications with assignable causes
indicate a process is not capable or in
control. An effective MMP must,
therefore, define and support the
quantitative and qualitative microbial
monitoring criteria an establishment
will use to gauge whether its process is
in control and the corrective actions it
will take when its microbial monitoring
results are not within its predefined
parameters. Specifically, the
establishment MMP must incorporate
three criteria—target change,
quantitative consistency, and qualitative
consistency standards. ‘‘Target change’’
refers to the expected change in
quantified levels of microbial
contamination detected between two
monitoring points that supports the
procedures’ ability to control
contamination as required in 9 CFR
381.65(g) and as expected by the
establishment. ‘‘Quantitative
consistency’’ is measured by how close
individual sampling results are to
defined target change parameters and
how much variation is expected
amongst the results over time.
‘‘Qualitative consistency’’ is measured
by assessing whether MMP process
control findings are consistent with
other process control monitoring results
representing the same procedures (e.g.,
fecal zero tolerance monitoring).
Consistency can also be qualitatively
assessed as whether the MMP process
control determination is consistent with
the process control determination for
the HACCP system overall, i.e., if all
HACCP monitoring intended to assess
process control draws the same
conclusion. An effective MMP also
defines how an establishment will
respond when performance is not as
expected, such as the corrective actions
it will take.
A recent analysis of PHIS inspection
data identified issues with the design
and implementation of establishment
MMPs, including how establishments
respond to MMP results.149 FSIS
analyses of the PHIS inspection
verification data from February 17,
2015, through December 31, 2022, found
that MMP noncompliance with 9 CFR
149 7096 noncompliance records (NRs) citing
381.65(g) were issued between 2/17/2015 and 12/
31/2022; 8 had incomplete descriptions and were
not further analyzed. Each of the 7088 NRs were
read by OFO analysts to determine if the microbial
monitoring program was reviewed as part of the
verification and if the establishment microbial
monitoring program was documented to be the
cause of observed noncompliance.
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381.65(g) was most often associated
with sampling frequency and the
monitoring of results to ensure
frequency compliance (49 percent).
Specifically, NRs showed
establishments did not plan or adjust
their sampling plan minimum
frequencies in accordance with the
actual slaughter volume; failed to collect
samples at the frequency planned, at the
minimum frequency required, or to
collect additional samples when
collected samples could not be
analyzed. These noncompliance issues
indicate that establishments are not
assessing or adjusting the sampling
frequency procedures in their MMPs as
necessary due to their failure to identify
and document the absence of expected
monitoring results. These
noncompliance issues also show that
establishments often fail to provide
adequate justification for not evaluating
and updating the sampling frequency
procedures in their MMPs in response
to monitoring results, IPP observations,
or other relevant information indicating
that their current sampling frequency is
not adequate to monitor process control.
NRs also indicated establishments
failed to identify monitoring criteria,
monitoring deviations, or documented
trends or—when identified—failed to
perform any root cause assessment for
the deviation or perform corrective
actions (31 percent). Further, NRs show
that establishments failed to implement
their sample collection or laboratory
analysis methods as written (12
percent). These findings indicate
establishments are not adequately
considering or utilizing the MMP
monitoring of process control in their
overall consideration of whether the
procedures incorporated into the
HACCP system are performing as
expected and the HACCP system is
overall controlling the hazard to the
acceptable level as intended.
3. Exploratory Sampling Program Data
As noted above, from April to
November 2022, FSIS implemented an
exploratory sampling program 150 to
generate microbial data to inform the
Agency’s effort to reduce Salmonella
illnesses attributable to poultry. Under
the program, rehang and post-chill
rinsate samples were tested for
Salmonella, AC, and EC, and beginning
August 11, 2022, for Salmonella levels
using a quantitative method adopted by
FSIS laboratories.
Overall, FSIS analyzed 4,654 paired
samples collected from 204 of the 272
establishments that slaughtered young
150 FSIS Notice 44–22Revised Young Chicken
Carcass Exploratory Sampling Program.
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chicken in Calendar Year 2022. Testing
results indicated that 2,910 rehang and
232 post-chill samples were positive for
Salmonella. Of these, 1,460 rehang and
121 post-chill samples were analyzed
with the Salmonella quantitative
method, and the results indicated that
approximately 90 percent of rehang and
86 percent of post-chill samples were
below the lower LOQ.151 Further, out of
the 4,654 paired samples, tests detected
AC in 4,592 and EB in 4,580 of both the
rehang and post-chill location samples.
Of the pairs that detected the AC or EB
at both locations, 69.2 percent of the
pairs yielded a quantified value at both
rehang and post-chill for AC; whereas
only 15.9 percent yielded a quantified
value for EB.152
Of the 3,177 paired samples with
quantified levels of AC, 98.7 percent
demonstrated a reduction in AC from
rehang to post-chill; while only 1.29
percent of paired samples demonstrated
an increase in AC.153 Among the 180
establishments with 12 or more
analyzed paired samples,154 all 180
establishments had greater than 20
percent of samples with AC detectable
above the lower LOQ at post-chill, and
25 percent had greater than 20 percent
of samples with EB above the lower
LOQ. Salmonella percent positive was
reduced from rehang to post-chill by an
average of 56.6 percent and AC
quantified level was reduced an average
of 2.93 log10 cfu/mL (74 percent
reduction).
Based on these findings, FSIS
concluded that microbial monitoring of
EB or Salmonella is unlikely to yield the
reliable quantified results necessary for
an individual establishment to support
SPC monitoring. There has been an
observable decline in post-chill levels of
organisms detected since the 2007–2008
151 The lower LoQ for the Salmonella, AC, and EC
tests utilized by FSIS laboratories was 10 cfu/mL.
152 Comparatively, FSIS’s 2007–2008 baseline
survey did not assess results as true pairs or when
both rehang and post-chill yielded quantifiable
results. This prior survey reported the 3,275
analyzed pairs had levels significantly lower at
post-chill and quantifiable AC and EC was detected
in 97.1 percent and 57.4 percent of post-chill
samples, respectively. The average rehang and postchill AC values reported 4.51 log AC and 2.43 Log
AC and EC as 3.28 Log EC and 1.57 Log EC,
respectively (average change 2.08 Log AC and 1.71
Log EC). https://www.fsis.usda.gov/node/1973.
153 Because a distribution function cannot be
reliably fitted to a dataset where fewer than 20
percent of the samples are above the LOQ, FSIS has
only summarized results for quantitative AC, not
Salmonella or EC. See Helsel, D. R. (2005).
‘‘Nondetects and Data Analysis: Statistics for
Censored Environmental Data.’’
154 FSIS had estimated at least 12 pairs would be
necessary over the study period to evaluate an
individual establishment’s indicator organism
performance and 180 of the 204-establishment
sampled had at least 12 pairs analyzed.
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Young Chicken Baseline Survey. The
current data shows that AC is more
likely to yield reliably detectable
quantified microbial results compared
to either EB or Salmonella for most
establishments. Additionally, given all
establishments sampled consistently
demonstrated a qualitative decrease in
levels of organisms detected between
rehang and post-chill, FSIS has
determined that assessing the quantified
level of decrease achieved is more
informative of individual establishment
process control changes and trends than
the qualitative criteria of whether a
decrease occurred.
4. FSIS Risk Assessments
The 2023 risk assessments for
Salmonella in chicken and turkey
evaluated, among other things, the
public health impact of monitoring and
enforcing process control from rehang to
post-chill.155 For all young chicken
establishments sampled during the 2022
exploratory sampling program, FSIS
measured an average of 4.40 and 1.39
log AC per mL at rehang and post-chill
locations, respectively, i.e., an average
reduction of 3.01 log AC per mL.
Comparatively, the 2007–2008 baseline
survey measured an average of 4.50 and
2.46 log AC per mL at rehang and postchill locations, respectively, i.e., an
average log reduction of 2.04 log AC per
mL. These data show that between 2008
and 2022, there were no decreases in
incoming AC loads on chicken
carcasses; however, during that time,
establishments achieved an additional 1
log reduction in AC levels after
slaughter and processing. Based on this
current study it is reasonable to expect
reductions of 3 logs in Salmonella
between rehang and post-chill. The risk
assessment found weak correlations
between post-chill Salmonella
prevalence and AC, either based on the
AC reduction between rehang and postchill, or the fraction of post-chill
samples where AC is not observed.
Ultimately, FSIS’ recent chicken risk
assessment concluded that a
hypothetical AC reduction standard
could achieve a 25 percent reduction in
Salmonella illnesses attributed to
chicken only if microbiological criteria
based on 2.5–3.0 log reduction or no AC
tests exceed 10 cfu/mL at the post-chill
location. The risk assessment concluded
that AC is only moderately correlated
with the occurrence of Salmonella and
thus an AC based standard would
155 The risk assessments analyzed data from the
2022 Exploratory Project, 2007–2008 Young
Chicken Baseline Survey, and the 2008–2009
Turkey Baseline Survey.
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perform less well than a Salmonella
standard.
In addition to identifying a decrease
in the average level of log AC detected
at post-chill between the 2007–2008
baseline survey and 2022 exploratory
sampling program from 2.46 to 1.39 log
AC per mL, respectively, the 2023
chicken risk assessment identified a
decrease in the proportion of young
chicken carcass post-chill AC results
above the limit of detection (LOD), from
97.1 percent at baseline to 70.0 percent
currently. EB followed a similar trend
with 57.4 percent during the prior
baseline to just 16.1 percent above the
LOD currently.
The 2023 turkey risk assessment
reported that the correlation between
AC or EB and Salmonella prevalence is
weak, and it was not possible to fully
assess the public health impact of
monitoring and enforcing process
control from rehang to post-chill.
C. Proposals To Enhance Establishment
Process Control Monitoring
FSIS is proposing to amend 9 CFR
381.65(g) and (h) to establish new
requirements pertaining to how
establishments monitor and document
whether their processes for preventing
microbial contamination throughout the
slaughter and dressing operation are in
control. The goal of the proposed
amendments is to clarify existing
regulatory requirements related to
process control monitoring and
recordkeeping in 9 CFR 381.65(g) and
(h) and to better define requirements
with respect to the type of microbial
data that should be collected, how the
data should be analyzed, the level of
acceptable process control deviations,
and how establishments should respond
to process control deviations. The
clarifications are also intended to
promote the collection of more
standardized data by establishments to
facilitate data quality. If this proposed
rule is finalized, FSIS intends to update
relevant guidance to help
establishments comply with new
requirements.
1. SPC Monitoring
This proposed rule revises 9 CFR
381.65(g) to require establishments to
incorporate SPC monitoring principles
into their MMPs. As discussed, SPC
monitoring uses statistical methods to
compare quantitative results against
predefined benchmarks and, thereby,
determine whether a process is
operating within expected
parameters.156
156 NACMCF (2015). ’’ Regarding Microbiological
Criteria as Indicators of Process Control or
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The proposed revisions to 9 CFR
381.65(g) would therefore require
establishments to use only validated
microbial sampling and laboratory
analysis procedures, generate and
record statistically meaningful microbial
monitoring data, set benchmarks by
which to evaluate microbial monitoring
data, and to otherwise define the
statistical methods the establishment
will use to evaluate the recorded data
against the predefined limits. The MMP
design should also be consistent with
other process control monitoring
procedures and the establishment’s
HACCP system. For example, if an
establishment assesses process control
independently by evisceration line for
visible fecal contamination, the
establishment’s MMP for process
control of procedures to prevent fecal
contamination should also be separated
by evisceration line.
Statistical Methods. There must be
scientific and technical support to
justify the design of a MMP, including
the statistical methods an establishment
will use. Specifically, the MMP must
include documentation and data
demonstrating the initial scientific
basis, validation, and ongoing
verification of the statistical methods,
including whether the quantified
monitoring data generated by the
establishment’s process is normally or
not normally distributed and whether
the statistical method is appropriate. In
instances where the minimum sampling
frequency requirements of 9 CFR
381.85(g)(2) do not generate
‘‘statistically robust’’ results, an
establishment must either increase its
sampling frequency to generate robust
results or provide support to
demonstrate that the minimum
frequency of collection is, nonetheless,
adequate to demonstrate whether its
particular process is in control.
FSIS has developed a Lower
Capability Process Index (CPL)
Statistical Measurement Model (SMM)
which fits parameters for normally
distributed data. The CPL–SMM is
available for review and comment on
the FSIS website.157 Under this
proposal, the CPL–SMM would be
considered a ‘‘safe harbor,’’ in that
establishments that incorporate the
CPL–SMM into their MMPs would not
be required to provide FSIS with
Insanitary Conditions, available at https://
www.fsis.usda.gov/sites/default/files/media_file/
2020-07/NACMCF-Report-Process-Control061015.pdf.
157 Statistical Process Control Monitoring Method
Assessment and the FSIS Proposed Lower
Capability Process Index (CPL) Statistical
Measurement Model (SMM) available at: https://
www.regulations.gov/docket/FSIS-2023-0028.
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additional scientific or technical
information to support their chosen
statistical methods.158 Should FSIS
finalize this proposal, the Agency would
make available on its website an
electronic file for download (i.e., a
spreadsheet) programmed to calculate
the change achieved, CPL, and chart
results as the establishment inputs each
sampling result as it is received from the
laboratory. FSIS will provide relevant
instructions for adopting the ‘‘safe
harbor’’ method in a future guidance
document. An example of the electronic
file that FSIS intends to provide is
available for viewing and public
comment at: https://
www.regulations.gov/docket/FSIS-20230028.
FSIS requests comments on its
proposed CPL–SMM and the related
electronic file. FSIS also requests input
on any other statistical monitoring
methods that FSIS should recognize as
satisfying the requirements of 9 CFR
381.65(g) without further scientific
support, including but not limited to
methods for normally and non-normally
distributed results, use with specific
indicator organisms, and various
analyzed results sample sizes. FSIS
requests that commenters include the
appropriate data necessary to support
any proposed alternatives as these data
may not have been available to FSIS at
the time of this rulemaking.
Target Change and Quantitative
Consistency Criteria. To effectively
incorporate SPC monitoring into an
MMP, establishments must define and
support target change and quantitative
consistency microbial monitoring
criteria. ‘‘Target change,’’ in the context
of microbial process control monitoring,
is the expected change in quantified
levels of microbial contamination
detected between two sampling
locations that supports a procedure’s
ability to control contamination as
minimally required in 9 CFR 381.65(g)
and as expected by the establishment.
For an MMP, target change parameters
must be appropriate for the microbial
monitoring organism an establishment
uses to monitor process control. At a
minimum, establishment MMPs must
define the minimum target change
expected (lower specification limit). The
minimal level target change approach
sets a benchmark from which
establishments can evaluate trends in
158 Establishments are to be aware that the
proposed CPL–SMM reflects the minimum
frequency prescribed in 9 CFR 381.65(g)(2), and the
establishment may need to increase the frequency
of collection to meet compliance with the
requirement the frequency is adequate to monitor
their ability maintain process control as required
under 9 CFR 381.65(g)(2)(iii).
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microbial contamination during
slaughter and dressing with other trends
in slaughter performance data such as
pathogen, feces and ingesta, and
sanitary operations monitoring findings.
Establishment MMPs may also define a
maximum target change expected
(upper specification limit).
AC and EB are routinely utilized to
monitor poultry slaughter process
control and are frequently reported in
logarithmic format (log).159 FSIS’ review
of current scientific support indicates
that, when monitoring indicator
organisms reported in log,
establishments should strive for a
minimum target change value of 1 log
reduction and that a change between 0
and 1 log is not reliably detected in
normally distributed data, particularly
at the statistical power associated with
the single pair minimum sampling
frequencies prescribed in 9 CFR
381.65(g)(2).160 The 2023 risk
assessment also identified a moderate
correlation with the detection of postchill Salmonella when at least a 3 log
AC change was observed.161 Moreover,
FSIS’ exploratory sampling program
observed an average 2.93 log AC
reduction in establishments with at least
12 carcass pairs analyzed.
Based on these findings, the Agency
would consider an establishment’s
target change criteria to meet the
requirements in 9 CFR 381.65(g) when
its MMP sets an expected reduction of
at least 1.0 log in detected microbial
levels between sampling locations.162
Establishments may, of course, set more
stringent target change criteria in their
MMP than the minimum 1.0 log
reduction without providing additional
support to FSIS. MMPs that define an
expected target change value of less
than 1.0 log must include
159 Microbial organism levels are frequently
transformed to base 10 logarithmic format (log) for
statistical assessment unless the conversion would
result in log ‘‘0’ censored data result.
160 De Villena, J.F., et al. (2022). ‘‘Bio-Mapping
Indicators and Pathogen Loads in a Commercial
Broiler Processing Facility Operating with High and
Low Antimicrobial Intervention Levels.’’ Foods
11(6): 775. Cano, C., et al. (2021). ‘‘Application of
Peroxyacetic Acid for Decontamination of Raw
Poultry Products and Comparison to Other
Commonly Used Chemical Antimicrobial
Interventions: A Review.’’ J Food Prot 84(10): 1772–
1783. Brashears, M.M. and B.D. Chaves (2017).
‘‘The diversity of beef safety: A global reason to
strengthen our current systems.’’ Meat Sci 132: 59–
71.
161 Quantitative Microbial Risk Assessment for
Salmonella in Raw Chicken and Raw Chicken
Products at: https://www.regulations.gov/docket/
FSIS-2023-0028.
162 FSIS notes that all sample results in the
exploratory CPL–SMM modeling datasets had AC
reductions greater than 1 log (97.5 percent) and
mean log AC reductions across the exploratory
sampling period were greater than 1 for 98.7
percent of establishments.
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comprehensive scientific support to
demonstrate that its target change
criteria reflect a statistically reliable
value for measuring process control and
why its expected target change is less
than changes identified in national
baseline data (e.g., 2 log or 3 log as
above). Establishments that conduct
microbial sampling and testing in more
than two locations in the slaughter
process may define different quantified
values to be achieved between the
various points but, minimally, the target
change value for monitoring between
each pair of points should meet the
minimum requirement as appropriate
for the microbial monitoring organism
being monitored. Similarly,
establishments monitoring more than
one shift, evisceration line, or species/
subclass of poultry may elect to define
different quantified target change values
expected providing they meet the same
minimum requirements. In any event,
establishments must use scientifically
validated mathematical methods to
calculate the change in levels detected
between sampling locations. FSIS
would consider a simple subtraction
method (e.g., Sampling Point-A log
value—Sampling Point-B log value) to
be scientifically valid.
MMPs must also define quantitative
consistency criteria. As discussed, SPC
monitoring includes assessing the
variation of results as each result is
reported and over time to identify and
detect when procedures may not be
functioning as intended to prevent the
enteric pathogen and fecal
contamination from being introduced at
one or more points in the process. In
statistical applications, 99 percent of
results fall within 6 standard deviations
of the mean, or 3 standard deviations on
either side of the mean. For an MMP
monitoring whether the minimum target
change expected is met (lower
specification), the detected change
between the two points monitored is
within 3 standard deviations less than
the average change detected for all
samples in the monitoring period.
The establishment MMP must define
and support the acceptable quantitative
consistency (statistical variation)
expected among the changes detected
over time. The quantitative consistency
expected must not exceed 3 standard
deviations lower than the mean and for
the establishment to conclude microbial
contamination variability was
controlled (one-side for lower
specification). That is, FSIS recognizes
the MMP defined quantified value is
minimally supported when the sample
result is no more than 3 standard
deviations below the mean. As with
target change criteria, establishments are
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encouraged to define quantitative
consistency criteria at each point
monitored and may also set quantitative
consistency criteria specific to shift,
line, or specific/subclass of poultry
slaughtered, provided the consistency
variation target limit meets the
minimum requirements discussed
herein. Establishment MMP monitoring
criteria decisions for target change and
quantitative consistency expected, and
the actual values observed during
monitoring, must also consider and
support the establishment’s MMP
organism, location, and frequency
decision rationale. Establishments must
assess their results as ongoing validation
data to maintain support for all MMP
requirements.
Monitoring Period. As discussed, SPC
involves an assessment of trends
measured over time. As such, an
establishment’s MMP must define the
period over which trends will be
assessed, i.e., the ‘‘monitoring period.’’
FSIS’ assessment of exploratory
sampling program and Salmonella
Initiative Program 163 data found that
the sample collection frequency impacts
the monitoring period required to
generate a statistically robust sample
size and how quickly the entire sample
size is replaced with new results, i.e.,
the ‘‘sample size turnover.’’ Based on
the assessment of these available data,
FSIS has identified the monitoring
periods necessary for establishments to
adequately assess trends over time.
Establishments that incorporate these
monitoring periods into their MMPs
would not be required to provide the
Agency with additional scientific or
technical support.
As shown in Table 10 below, FSIS
recommends that establishment MMPs
define the monitoring periods as follows
by the minimum monitoring frequency
(paired carcass collection) prescribed in
9 CFR 381.65(g): (1) Poultry
establishments collecting samples at a
frequency of once per 22,000 (chicken)
or 3,000 (other species) head
slaughtered, respectively, or greater, are
to designate a monitoring period of 140
samples or 52 weeks, whichever is
shortest; (2) any poultry establishments
collecting at a weekly frequency are to
designate a monitoring period of the 52
64715
most current weeks; (3) and VLV
poultry establishments collecting 13
samples annually are to designate their
monitoring period as all of the samples
available in the most recent 52 weeks or
all the samples in the current period of
operations if slaughter of the
predominant species is seasonal and not
continuous. All poultry slaughter
establishments are required to assess for
trends during their designated
monitoring period, as well as compare
the monitoring periods for the current
52 weeks against the prior 52 weeks.
Further, those establishments that
collect less than weekly are to also
compare trends going back an additional
52 weeks (i.e., compare the current 52
weeks against the prior 104 weeks). All
poultry slaughter establishments must
also identify the sample size turnover
rate based on their intended frequency
of collection and provide scientific
support for how the establishment will
consider the turnover in their
assessment of process control trends
over time.
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TABLE 10—MONITORING PERIOD BY MINIMUM FREQUENCY RECOGNIZED BY FSIS WITHOUT FURTHER SUPPORT
Poultry species
Minimum monitoring
frequency
Minimum monitoring period
Chicken .............................................................
≥1 per 22,000 head ....
Turkey, Goose, Guinea, Duck, Squab .............
Any Poultry Species .........................................
Any Poultry Species .........................................
≥1 per 3,000 head.
Weekly ........................
13 per year .................
Period necessary to obtain 140 samples or
52 weeks, whichever is shorter.
2. Microbial Monitoring Organism
FSIS is proposing to amend 9 CFR
381.65(g) to establish new criteria that
an establishment must meet to
demonstrate that its selection of
microbial organism is fit for purpose.
Specifically, FSIS is proposing that
establishments analyze for microbial
organisms that are quantifiably
detectable in the establishment’s
slaughter process and that will generate
microbial monitoring data that is
adequate to monitor their ability to
maintain process control for enteric
pathogens. Under this proposal, the
establishment’s measured results at each
sample location must yield statistically
reliable quantified value results.
The Agency recognizes that in order
to successfully analyze quantified data,
at least 20 percent or more of the sample
size results must be quantified;
otherwise, the data will be skewed, i.e.,
shifted above or below the true value.164
Thus, to comply with the proposed
revisions to 9 CFR 381.65(g),
establishments would have to
demonstrate and continuously validate
that their chosen microbial monitoring
organism generates a quantified value in
at least 20 percent of the results
reported at each monitored location.
Results that are reported ‘‘above the
limit of quantification’’ or ‘‘below the
limit of quantification’’ or ‘‘0’’ when log
transformed would not be considered as
quantified results, nor would samples
with results not analyzed by the
establishment. The establishment would
also have to demonstrate and
continuously validate that for each
sample monitoring location, the
microbial organism can be quantified
across the upper and lower levels that
actually occur in the establishment’s
individual process.
The Agency would consider the use of
AC to monitor process control to meet
the proposed criteria discussed above.
FSIS has evaluated the available
published studies and data at the time
of rulemaking and concluded that AC
are the microbial organisms most likely
to result in quantified results that are
reliably detectable at rehang and postchill. Available paired microbial data
representing pathogens like Salmonella
and indicator organisms other than AC
do not meet the 20 percent minimum
quantified detection recommended.
Establishments that choose to use other
indicator organisms like EB, total
coliforms, or GEC to assess the
minimum target level of change, equal
to or greater than 1 log10, must support
the estimated change in a statistically
appropriate manner.
163 FSIS Salmonella Initiative Program, details
available at https://www.fsis.usda.gov/science-data/
data-sets-visualizations/microbiology/
microbiological-testing-program-rte-meat-and.
164 Helsel, D.R. (2005). ‘‘Nondetects and Data
Analysis: Statistics for Censored Environmental
Data.’’
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All samples in 52 weeks or the period of operations for year if seasonal operations.
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time period
Prior 52 weeks.
Prior 104 weeks.
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Regardless of the microbial
monitoring organism chosen, the
proposed revisions would require
establishments to demonstrate that their
chosen sample collection method is
appropriate for the product sampled, the
microbial organism monitored, and the
laboratory method used to analyze the
samples. Moreover, the proposed
revision would require establishments’
microbial sampling results to be
generated by validated laboratory
analyses and methods. Current HACCP
regulations also require ongoing
verification of the establishment’s
microbial monitoring procedures
including the methods and equipment
used (9 CFR 417.4).
Establishments that adhere to the
Agency’s carcass rinse and sponge
sample collection method 165 would not
be required to provide additional
support to justify their chosen method
of organism collection. Further,
establishments that document sample
analyses by International Standards
Organization (ISO) or USDA’s
Accredited Laboratory Program (ALP)
accredited laboratories would not be
required to provide the Agency with
additional support to justify their use of
laboratory analyses and methods.
Nonetheless, all establishments would
be required to demonstrate and
continuously validate that their MMPs
analysis method can detect the selected
microbial monitoring organism at the
levels intended, expected, and occurring
at the monitored points in the process.
FSIS requests comments on whether
FSIS should require establishments to
use ISO accredited or USDA ALP
accredited laboratories to analyze their
microbial monitoring samples.
In lieu of requiring the VS or VLV
establishments that slaughter the
predominate species of poultry under
Traditional Inspection to utilize their
own resources to meet compliance with
the proposed revisions to 9 CFR
381.65(g), FSIS is proposing that such
establishments have access to laboratory
services provided by FSIS at no
monetary cost for sample supplies,
analyses, or shipment. Eligible
establishments would be required to
agree to terms of participation that
would be publicly announced following
the publication of any final rule
resulting from this proposal. These
terms would limit the use of laboratory
microbial analyses service to eligible
establishments that sample for AC,
given more than 75 percent of the post165 FSIS Directive 10,250.1, Salmonella and
Campylobacter Verification Program for Raw
Poultry Products, https://www.fsis.usda.gov/policy/
fsis-directives/10250.1.
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chill carcass samples analyzed as part of
the recent FSIS exploratory sampling
assessment were below the FSIS lower
limit of detection for EB and nearly 85
percent of the enumerated post-chill
Salmonella were below the level of
quantification.166 The terms would also
address laboratory service logistics such
as establishment sample collection and
shipment methods, collection and
shipment dates to assure laboratory
analysis capacity, reporting of
establishment results through PHIS and
LIMS-Direct email, and that the
establishment agree to incorporate the
FSIS CPL–SMM into its MMP exactly as
described in the Statistical Process
Control Monitoring Method Assessment
and the FSIS Proposed Lower Capability
Process Index (CPL) Statistical
Measurement Model (SMM) at: https://
www.regulations.gov/docket/FSIS-20230028.
3. Sampling Location
FSIS is proposing to revise the
sampling location regulations at 9 CFR
381.65(g)(1) to require that
establishments, at a minimum, collect
and analyze samples for microbial
organisms at the rehang and post-chill
points in the process, as opposed to the
pre-chill and post-chill locations. FSIS
has determined that sampling at the
rehang point in the process, i.e., after
picking and prior to evisceration, is
likely to be more effective for
monitoring process control, given the
introduction of carcass contamination
tends to occur at slaughter process steps
at or just prior to the rehang location
and evisceration 167 and pre-chill
sampling often takes place after
evisceration and some antimicrobial
interventions have already occurred.168
The FSIS 2023 chicken risk assessment
and FSIS assessment of exploratory
sampling program data reported that
there has been an increase in the log AC
reduction achieved between rehang and
post-chill influenced mostly because the
levels of indicator organisms detected
post-chill have declined since the prior
2007–2008 baseline study. FSIS has
observed that pre-chill samples
collected after evisceration and after
most interventions, and prior to the
166 Quantitative Microbial Risk Assessment for
Salmonella in Raw Chicken and Raw Chicken
Products at: https://www.regulations.gov/docket/
FSIS-2023-0028.
167 NACMCF (2019). ‘‘Response to Questions
Posed by the Food Safety and Inspection Service
Regarding Salmonella Control Strategies in
Poultry.’’ Journal of Food Protection 82(4): 645–668.
168 Exploratory Project questionnaire responses
indicate that 51 percent of the establishments
applied one or more interventions prior to rehang,
whereas all but one establishment applied one or
more interventions after rehang.
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chiller, typically have lower levels of
organisms detected than rehang samples
collected prior to evisceration and fewer
intervention steps.
Under this proposal, establishments
would be required to identify and
provide supporting rationale for the
exact point where they intend to collect
their rehang sample. Establishments
would be permitted to collect a pre-chill
sample at a location other than rehang
if they provide supporting data to
demonstrate that the alternative location
is at least as effective as rehang
sampling for monitoring their ability to
maintain process control. However, one
benefit of rehang sampling is that it
allows establishments to assess the level
of microbial contamination early in the
slaughter process and, thereby, better
understand the level of enteric pathogen
hazard associated with flocks at
receiving. Also, according to NACMCF,
monitoring change in AC ‘‘from an early
sampling point on the slaughter line to
the final sampling point on the
processing line . . . may provide useful
information about the effectiveness of
the process in maintaining hygiene
conditions.’’ 169 Moreover, continuing to
monitor at pre-chill, which tends to
occur after establishments apply
antimicrobial interventions, would
make it more difficult for establishments
to justify how the microbial monitoring
data they generate validates that their
established target change and
quantitative consistency parameters are
adequate to monitor process control.
Thus, ideally, the exact point of an
establishment‘s rehang sampling should
be immediately after the early slaughter
processing steps that are mostly likely to
introduce microbial contamination and
before the establishment’s use of
antimicrobial interventions.
Establishments slaughtering poultry
predominantly under religious
exemptions that result in feet on, uneviscerated carcasses, or otherwise are
slaughtered at post-picking but prior to
the evisceration rehang step are to
collect samples at the point in the
process that results in the greatest
source of introduction of enteric
pathogen and fecal contamination.
Finally, FSIS’ proposed amendments
to 9 CFR 381.65(g)(1) would require VS
and VLV establishments operating
under Traditional Inspection to—like all
other establishments—collect and
analyze microbial samples at rehang and
169 2021–2023 National Advisory Committee
Meeting on Microbiological Criteria for Foods
(NACMCF); FSIS Charge: Enhancing Salmonella
Control in Poultry Products Available at: https://
www.fsis.usda.gov/policy/advisory-committees/
national-advisory-committee-microbiologicalcriteria-foods-nacmcf/2021.
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post-chill locations. These
establishments are currently required to
collect microbial samples at the postchill point only. To offset the economic
impact of this amendment, these
establishments would be eligible to have
access to laboratory services provided
by FSIS at no cost as described and
discussed above. The FSIS 2023 risk
assessment and the Agency’s assessment
of the exploratory sampling program
data both recognized that greater levels
of detected microbial organisms were
more likely to be observed in the
smaller size and volume establishments
than the larger establishments, although
microbial levels detected at post-chill
were overall lower than previously
observed during the 2007–2008 baseline
study. FSIS has concluded that postchill samples representing only the end
of the slaughter process does not
provide the same level of MMP
adequacy to monitor process control
throughout the slaughter and dressing
process as minimum two-point
sampling. Microbial monitoring at both
rehang and post-chill will help VS and
VLV establishments operating under
Traditional Inspection to assess levels of
microbial contamination at a point
closer to the start of the slaughter
process and the effect that their antimicrobial intervention steps have in
reducing such contamination.
4. Sample Collection Monitoring
Frequency
As discussed, a recent FSIS review of
PHIS inspection data found that MMP
noncompliance issues were frequently
associated with sampling frequency and
that the noncompliant establishments
were most often those that produced
lower volumes of product. FSIS is
proposing, therefore, to amend 9 CFR
381.65(g) to make it easier for
establishments to understand and
comply with minimum sampling
frequency requirements. First, FSIS is
proposing to update the sampling
frequency regulations for VLV
establishments, which currently require
that such establishments collect and
analyze 13 weekly samples starting on
June 1 of each year. FSIS has concluded
that the current requirement would not
generate statistically robust process
control monitoring data regardless of if
the results are collected over 13
consecutive weeks or at other intervals
throughout the year. FSIS has also
concluded that the June 1 requirement
makes it difficult for VLV
establishments to demonstrate that their
MMP is adequate to monitor process
control without collecting additional
samples at other times of the year, such
as during the establishment’s greatest
seasonal production or the slaughter of
poultry from growers associated with
greater risks of increased microbial
carcass contamination. As such, FSIS is
proposing to revise 9 CFR
381.65(g)(2)(ii) to remove the June 1
requirement and otherwise give VLV
establishments the flexibility to collect
their 13 weekly samples in accordance
with their slaughter operations
throughout the year. The MMP decision
making rationale for all establishments,
regardless of annual slaughter volume,
must support how the establishment
will determine when the monitoring
will be performed and how the specific
carcass will be selected for sampling.
Second, to help all establishments
better understand their minimum
sampling frequency requirements and
develop their sampling frequency
procedures, FSIS is proposing to tie
sampling frequency requirements to
annual slaughter volumes, as opposed to
weekly slaughter volumes. As
discussed, FSIS review of NRs found
that many establishments have trouble
planning or adjusting their sampling
frequency regime to comply with
current regulations given actual weekly
slaughter volumes tends to fluctuate
irregularly. Moreover, FSIS reviewed
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current sampling frequency
requirements relative to annual
slaughter volumes and determined that
they require many lower volume
establishments to collect samples at a
greater rate than larger
establishments.170 The proposed
revisions, which are outlined in Table
11 and Table 12 below, would simplify
proposed slaughter volume criteria cut
points for VLV, low volume, and
medium to high volume establishments
and make it easier for establishments to
adapt to fluctuating conditions.
Specifically, FSIS is proposing that
medium to large volume establishments
slaughtering as their predominant
species more than 1,100,000 chickens or
156,000 other poultry species annually
be required to collect at a minimum
frequency of one paired sample every
22,000 or 3,000 head slaughtered,
respectively.171 Further, FSIS is
proposing that LV establishments that
slaughter as their predominant species
between 440,001 to 1,100,000 chickens
or 60,001 to 156,000 other poultry
species annually be required to collect
a minimum of one paired sample a
week, regardless of weekly fluctuations
in their actual slaughter volume. Lastly,
FSIS is proposing that VLV
establishments be required to collect a
minimum of 13 weekly paired samples
per year. Those VLV establishments that
plan to operate less than 13 weeks per
year may collect their 13 annual
samples on a less than weekly basis,
assuming they can demonstrate that
their sample frequency is effectively
monitoring that they are maintaining
process control throughout the year and
during any periods of slaughter
operations. Regardless of these
minimum required frequencies, FSIS
regulations would continue to mandate
that all establishments collect samples
at a frequency that is adequate for the
establishment to monitor process
control.
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TABLE 11—PROPOSED REVISIONS TO 9 CFR 381.65(g)(2) MINIMUM SAMPLING FREQUENCY: CHICKEN
Predominant poultry species slaughtered
Establishment volume
sizes
Annual slaughter head
volume
Minimum frequency of
paired collection
Chicken ............................................................................
Chicken ............................................................................
Chicken ............................................................................
Very Low Volume ..............
Low Volume .......................
Medium and High Volume
1–440,000 ..........................
440,001–1,100,000 ............
≥1,100,000 .........................
13 Weekly Pairs per Year.
Weekly.
1 per 22,000.
170 E.g., under current regulations, non-VLV
establishments that slaughter less than 22,000
chickens per week (i.e., between 440,001 to
1,144,000 head annually) are required to collect at
least 1 sample weekly, resulting in a collection
range of 1 sample per every 8,461 to 22,000
chickens (i.e., a midpoint rate of 1 sample per every
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15,231 head). This is a greater sampling rate than
those larger volume establishments collecting a
minimum of only one sample every 22,000 head.
171 Under current regulations, these
establishments collect 1 sample for every 22,000
chickens or 3000 other poultry species slaughtered.
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This is an annualized slaughter volume of 1,140,000
head of chicken or 156,000 other species. To
simplify proposed slaughter volume criteria cut
points, FSIS rounded 1,144,000 to the 1,100,000
identified in Table 11; an annual slaughter of
1,100,000 averages 21,153 head per week.
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TABLE 12—PROPOSED REVISIONS TO 9 CFR 381.65(g)(2) MINIMUM SAMPLING FREQUENCY: TURKEY, GEESE, GUINEA,
DUCK, SQUAB
Predominant poultry species slaughtered
Establishment volume
sizes
Annual slaughter head
volume
Minimum frequency of
paired collection
Turkey, geese, guineas, Ducks, Squab ..........................
Turkey, Geese, Guinea, Ducks, Squab ..........................
Turkey, Geese, Guinea, Ducks, Squab ..........................
Medium and High Volume
Low Volume .......................
Very Low Volume ..............
≥156,000 ............................
60,001–156,000 .................
1–60,000 ............................
1 per 3,000.
Weekly.
13 Weekly Pairs per Year.
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5. Corrective Actions
FSIS is proposing to amend 9 CFR
381.65(g) to further clarify that MMP
monitoring results and documented
corrective actions must be part of the
pre-shipment review process required
under 9 CFR 417.5(c). Current
regulations at 9 CFR 381.65(g) require
establishments to incorporate microbial
monitoring procedures into their
HACCP systems. Under 9 CFR 417,
HACCP records must be maintained and
continuously evaluated as part of the
establishment’s validation, ongoing
verification, and reassessment process.
Moreover, HACCP regulations at 9 CFR
417.3 and 417.5 specifically require
establishments to identify, in writing,
the corrective actions that they will take
when a HACCP system procedure may
have failed. This failure may be
observed by either the establishment or
FSIS and may include failure to
implement or maintain a procedure,
evidence that the outcome of a
procedure was ineffective, or when
monitoring identifies the defined
allowable limits have not been met.
FSIS is proposing to revise the
regulations to ensure that
establishments comply with these
corrective action provisions as they
apply to the establishment’s MMP.
Specifically, FSIS is proposing to amend
9 CFR 381.65(g) to require
establishments to, at a minimum,
implement written corrective actions,
including a root cause assessment, when
microbial monitoring results deviate
from predefined target change,
quantitative consistency, or other
criteria defined in the MMP.
FSIS is also proposing that
establishments’ MMPs define the
corrective actions the establishment
intends to take when its MMP results do
not align with other process control
monitoring conclusions or when its
MMP results do not support the
conclusion that its HACCP system is
controlling hazards as intended. FSIS
recognizes a qualitative analysis of
MMP results is necessary, given that a
process can be stable and not capable of
meeting quantitative specifications or
unstable yet produce product that meets
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quantitative specifications.172 Thus,
establishments will need to continually
consider their MMP results in
conjunction with all other process
control monitoring efforts to
qualitatively assess the overall ability of
their procedures to maintain process
control and function as intended.
Establishments are to investigate and
implement corrective actions when their
MMP monitoring results do not align
with the other process control
monitoring conclusions. FSIS expects
establishments to consider their MMP
results as part of their total HACCP
system validation and ongoing
verification in the assessment of
whether the procedures as required by
9 CFR 381.65(g) are controlling the
biological hazard (enteric pathogens) as
intended by the establishment’s HACCP
system. A slaughter establishment’s
HACCP system should clearly identify
what process control procedures are
monitored by the MMP, any other
process control monitoring results
reflecting the same procedures, a lot of
products represented by this process
control monitoring, and any other
procedures intended to control the same
hazard as the procedures required by 9
CFR 381.65(g). Establishment
documented corrective actions to
observed MMP deviations must
demonstrate the establishment assessed
the root cause of any deviation in target
change, quantitative consistency, and
qualitative consistency as described
above.
6. Recordkeeping Requirements
FSIS is proposing to add a new
paragraph (2) to 381.65(h) that would
require establishments to electronically
submit a copy of their microbial
monitoring results to FSIS on a monthly
basis. As part of the publication of any
final requirements, FSIS would provide
a template to each establishment for
submitting monthly results. While FSIS
inspectors would continue to review
process control sampling data in
172 NACMCF (2015). ‘‘Regarding Microbiological
Criteria as Indicators of Process Control or
Insanitary Conditions, available at https://
www.fsis.usda.gov/sites/default/files/media_file/
2020-07/NACMCF-Report-Process-Control061015.pdf.
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establishments, the proposed change
would allow FSIS headquarters
personnel to evaluate national trends to
determine the efficacy of the revised
process control requirements in
reducing final product contamination
and to inform FSIS’ decision-making
concerning agency verification
sampling.
As part of the Salmonella Framework
effort, FSIS met with internal FSIS,
industry, and other government official
stakeholders to explore potential
improvements to FSIS receipt of thirdparty data. FSIS, academic, and industry
stakeholders expressed concern around
the lack of options for nationally
represented industry microbial data.
FSIS has determined it could update its
information technology systems to
provide for both individual result and
bulk result data uploads by third
parties. FSIS would publish guidance
regarding the electronic submission of
data alongside any final rule resulting
from this proposal. FSIS is developing
a web portal that will allow external
partners to securely upload their
sampling information and submit the
data to FSIS electronically in a machinereadable format. The proposed fields
that would be uploaded into the portal
are: a sample identification number, the
establishment number, date, time,
slaughter line number, location of
sample collection (e.g., rehang, postchill), poultry species sampled, sample
type (e.g., rinsate, sponge), analyte (e.g.,
AC, EB), analyte units (e.g., cfu/mL),
quantified analyte result, and text
analyte result (e.g., Upper LOD). FSIS is seeking
comments on the proposed data fields
requested. Establishments would have
the option of entering the information
directly into the system or utilizing the
FSIS provided spreadsheet file
discussed above as a template to bulk
upload the information. FSIS anticipates
that most establishments would use the
FSIS provided template as the HACCP
MMP monitoring record to avoid
duplication of monitoring results.
FSIS is also seeking comment on
specific data use opportunities which
could be pursued that would support
FSIS investing additional resources into
the technology systems necessary to
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blind the proprietary MMP result record
copies for research, industry, academic,
or other pursuits.
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IV. Component One: Pre-Harvest
Measures
A. Scientific Support and Public
Comments
Under Component One of the October
2022 draft framework, FSIS indicated
that it was considering whether it
should require poultry slaughter
establishments to characterize
Salmonella as a hazard reasonably
likely to occur at receiving and require
that incoming flocks be tested for
Salmonella before entering an
establishment. This component is
grounded in the strong scientific
support for use of pre-harvest
interventions and management
practices, in particular that removing
flocks of highly Salmonellacontaminated birds from the slaughter
process would result in less human
exposure to Salmonella.
The results of the 2023 risk
assessments underscore the potential
public health benefit of requiring preharvest interventions and management
practices to reduce Salmonella
contamination on poultry. Within the
risk assessments, risk management
options for controlling Salmonella at the
receiving step focused on chicken and
turkey slaughter establishments and
sample results at the rehang location as
a proxy for sampling live birds at or
before the receiving step.173 The 2023
risk assessments estimated the impact of
eliminating certain serotypes. Two
options were modeled: in the first,
rehang results were considered as a
verification of pre-harvest Salmonella
control strategies. More effective
strategies mean lower rates of certain
serotypes at rehang. For the second
option, rehang testing results would be
used to take actions, such as diverting
positive flocks with higher virulence
serotypes to a safe end point (e.g., cook
product from those flocks).
If rehang testing is considered as a
verification of pre-harvest strategies,
between 27,000 and 55,000 annual
salmonellosis cases could be avoided if
flocks that have higher virulence
serotypes were not being processed for
food. Alternatively, if rehang testing is
used to identify and divert
contaminated carcasses, about 36,000
173 For chicken FSIS used rehang sample data
collected during the FSIS young chicken carcass
exploratory sampling program (April to November
2022). For turkey, FSIS modeled Salmonella at
receiving using rehang sampling data from the
2008–2009 FSIS Young Turkey Carcass baseline
study due to the absence of other data for the turkey
industry.
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cases could be avoided. However, to
achieve these outcomes, flocks with a
higher virulence serotype would be
diverted to a safe end point (e.g., for
cooking at an official establishment),
resulting in the diversion of 46,000
flocks. Further, the rehang step takes
place during processing. Requiring
processors to react to testing—with
results not available to at least two
days—is not feasible. co Currently, FSIS
analyzes about 10,000 young chicken
carcasses from rinsates collected at the
post-chill location annually. By
comparison, there are approximately
9.384 billion carcasses that are
processed each year at approximately
two hundred slaughter establishments.
Therefore, currently, FSIS analyzes
about one out of every million young
chicken carcasses processed annually.
Testing results at or before the
receiving step may have a substantial
public health impact. However, the
requirements associated with the first
option (verification of pre-harvest
Salmonella control strategies) would
require substantial industry resources,
and there is no guarantee that the
poultry industry would implement such
Salmonella control strategies, since the
first option would not penalize
establishments for having highly
virulent serotypes at the rehang step.
The second option (divert flocks that
test positive to a safe endpoint) would
require the same resources as the first
option. However, FSIS is not proposing
such a diversion requirement at this
time.
FSIS does not have a routine sampling
program at the rehang location, but the
Agency evaluated such a program as
part of the 2022 young chicken
exploratory sampling program discussed
above. Among 180 establishments
sampled twelve or more times at the
rehang location, Salmonella positive
rates for young chicken carcasses ranged
from 0 to 100 percent, and the 95
percent confidence interval ranged from
54.9 to 69.0 percent. Variability at the
rehang location was also observed with
AC and EB. Among 180 establishments
with at least twelve analyzed sample
pairs, the ACs average at the rehang
location was 4.40 log cfu per mL (95
percent confidence 4.34 to 4.46 log cfu
per mL) and EB average was 3.00 log cfu
per mL (95 percent confidence 2.94 to
3.06 log CFU per mL).
Two recent NACMCF reports, one
published in March 2019 and the March
2023 NACMF Final Report, support the
important role pre-harvest measures
play in controlling Salmonella in
poultry.
2019 NACMCF Report. At a March
2017 NACMCF meeting, FSIS asked the
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committee to address the issue of how
to reduce the prevalence of Salmonella
on poultry throughout the farm-to-table
continuum.174 In March 2019, the
committee’s final report addressing the
Agency’s questions was published in
the Journal of Food Protection.175
Questions two, three, and six related to
pre-harvest measures to control
Salmonella in poultry. Question two
asked where Salmonella resides inside
and on the surface of poultry and how
those populations of bacteria contribute
to food contamination. The committee
responded that most carcass
contamination is believed to result from
leakage of ingesta during crop removal
and from feces during evisceration, as
well as aerosolization during picking. In
addition, Salmonella may be present in
feather follicles and on the surface of
broilers when they enter the slaughter
establishment. Several preslaughter
strategies to reduce the burden of
Salmonella in flocks entering slaughter
establishments have been shown to be
effective, and data demonstrating a
correlation between flock status of
Salmonella and pre- and post-chill
contamination have been reported.
Control measures for Salmonella in
poultry can be classified as those that
target (i) exposure and colonization
within an individual animal, (ii)
transmission between parent flocks and
progeny, and (iii) transmission between
birds within a flock. The committee also
noted that Salmonella vaccination is
one breeder-level pre-harvest
intervention that contributes to an
overall reduction and/or elimination of
specific Salmonella serotypes. The
committee stated that the most effective
vaccination strategy is to focus on
vaccination of breeder flocks and reduce
vertical transmission of Salmonella.
Question three asked whether
removing flocks of highly Salmonellacontaminated birds entering the
slaughter establishment can reduce
foodborne illnesses in humans. The
committee responded that it is logical to
expect that removing flocks of highly
Salmonella-contaminated birds from the
slaughter process would result in less
human exposure to that source of
Salmonella, potentially resulting in
reduced foodborne illness in humans.
174 2015–2017 NACMCF Charge, Salmonella
Control Strategies in Poultry, available at: https://
www.fsis.usda.gov/news-events/publications/20152017-national-advisory-committee-microbiologicalcriteria-foods.
175 Response to Questions Posed by the Food
Safety and Inspection Service Regarding Salmonella
Control Strategies in Poultry (March 26, 2019),
Journal of Food Safety, available at: https://
www.fsis.usda.gov/news-events/publications/20152017-national-advisory-committee-microbiologicalcriteria-foods.
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However, there was no consensus
within the committee regarding the
predictive ability of farm sampling and
subsequent Salmonella contamination
on neck skin at the end of processing.
Given uncertainty about the impact of
removing flocks of highly Salmonellacontaminated birds from slaughter, the
committee recommended that process
controls be validated to address a worstcase scenario for contamination of
incoming birds and be continually
operating at that level to address the
potential risk from highly contaminated
birds. The committee concluded that
rather than establishing lot- or flockspecific thresholds, Salmonella
management programs should be based
on historical trend analyses of specific
farms and transportation supplying
birds to the slaughter process. Sampling
birds immediately before entering the
slaughter process would be ideal, but
detection technology did not currently
exist to provide the rapid detection
needed for this scenario. Historical data
might be used to build statistical models
to predict the potential for elevated
levels of Salmonella from a particular
farm. In addition, monitoring of external
factors, such as weather or seasonality,
may help indicate the possibility of a
higher-than-normal contamination level.
Historical knowledge of process controls
and facility capability can be used by a
processor to determine whether process
controls should be reassessed and
validated to address predicted risks.
Question six asked the committee to
identify the top three focus points,
control measures, or best practices that
would be compatible with industrywide practices and could be addressed
or implemented to achieve the highest
rate of reductions of Salmonella product
contamination and foodborne illness.
The committee’s response included the
statement that prevention or elimination
of Salmonella colonization, should be
effective for reducing Salmonella in
final product and contributing to public
health improvements.
2023 NACMCF Report. In the 2023
NACMCF report, the committee
addressed issues related to pre-harvest
measures to control Salmonella in
poultry.176 For question two of the
NACMCF charges, FSIS asked the
committee what types of
microbiological criteria could be
established to encourage control of
Salmonella at pre-harvest, and what
176 NACMCF final report ‘‘Response to Questions
Posed by the Food Safety and Inspection Service:
Enhancing Salmonella Control in Poultry Products’’
(March 13, 2023), available at: https://
www.fsis.usda.gov/policy/advisory-committees/
national-advisory-committee-microbiologicalcriteria-foods-nacmcf/2021.
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industry data would provide evidence
of control. As part of its response, the
committee noted that vaccination
programs have been incorporated on
U.S. farms. The committee described
such vaccination programs as an
effective management practice for
controlling Salmonella at pre-harvest
and noted that vaccines are likely the
only serotype-specific intervention
strategies.
Together, the 2019 and 2023
NACMCF report responses related to
pre-harvest measures support the use of
these measures to control Salmonella in
poultry. In the 2019 report, the
committee concluded that preslaughter
strategies to reduce the burden of
Salmonella in flocks entering slaughter
establishments are effective, and that
data show a correlation between flock
status of Salmonella and pre- and postchill contamination. The 2019 report
also indicated that it is probable that
removing flocks of highly Salmonellacontaminated birds from the slaughter
process would result in less human
exposure to that source of Salmonella,
potentially resulting in reduced
foodborne illness in humans. In the
2023 report, the committee
recommended that the Agency target for
consideration conditions in houses,
transport crates, and holding areas that
harbor and transmit Salmonella by
universal implementation of known and
validated mitigation strategies. Of note,
both final reports indicated uncertainty
regarding whether current testing
technology and data are available to
design and broadly implement effective
threshold requirements for segregating
Salmonella-contaminated flocks at
receiving.
As discussed above, FSIS received
comments on Component One of the
October 2022 draft Salmonella
Framework that raised concerns related
to costs, testing technology, and
implementation challenges. Several
comments from small poultry
processors and producers and trade
associations representing the meat and
poultry industries that expressed
concerns that the measures under
consideration in Component One would
impose an overwhelming burden on
small producers and processors.
In light of these comments, FSIS has
decided at this time not to establish a
regulatory requirement that
establishments characterize Salmonella
as a hazard reasonably likely to occur at
receiving or that incoming flocks be
tested for Salmonella before entering an
establishment. FSIS will actively seek
evidence and best practices from the
poultry industry. The Agency will
revisit its strategy for using testing
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(including quantitation and deep
serotyping) to minimize the risk of
cross-contamination at processing when
logistical challenges have been
addressed and testing becomes more
timely and affordable.
FSIS has decided, instead, for the
time being, to focus on non-regulatory
approaches to controlling Salmonella at
preharvest and reducing the Salmonella
load on birds at receiving. FSIS not
proposing to enforce measures under
Component One at this time. If the
Agency decides to make any of the
approaches discussed below mandatory,
it will do so through future rulemaking.
B. Possible Approaches To Control
Salmonella at Pre-Harvest
1. National Poultry Improvement
Program
FSIS will explore whether existing or
new certification programs under the
National Poultry Improvement Program
(‘‘NPIP’’ or the ‘‘Plan’’) could serve to
verify and document producers’ actions
(such as use of Salmonella vaccines) to
control Salmonella, including serotypes
of public health significance.
Administered by APHIS, NPIP is a
cooperative industry, state, and federal
program initially established to improve
poultry and poultry products and
prevent and control poultry diseases.177
The Plan identifies States, flocks,
hatcheries, dealers, and slaughter plants
that meet certain disease control
standards specified in the Plan’s various
programs. NPIP regulations in 9 CFR
parts 145 and 146 contain requirements
that must be observed by participating
flocks, including testing and biosecurity
measures. These measures are updated
over time as the science and technology
evolve and improve. Affiliated flockowners participate in the Plan through
an agreement with a participating
hatchery. Participating hatcheries must
be maintained in sanitary condition as
outlined in the NPIP Program Standards
and the U.S. Code of Federal
Regulations and are subject to third
party audit by an official state agency at
least once every two years or a sufficient
frequency to ensure compliance. NPIP
programs are available for multiplier
and primary breeding flocks for meattype chicken and products (9 CFR part
145 subparts C and H), and turkey
breeding flocks and products (9 CFR
part 145 subpart D). These programs
include biosecurity measures and may
include testing for Salmonella or
Salmonella serotype Enteritidis. The
177 USDA Animal and Plant Health and
Inspection Service (APHIS) National Poultry
Improvement Plan information available at: https://
www.poultryimprovement.org/default.cfm.
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Plan’s ‘‘U.S. Salmonella Monitored
Program’’ is intended for primary
breeders of meat type chickens to
reduce the incidence of Salmonella
organisms in hatching eggs and chicks
through an effective and practical
sanitation program at the breeder farm
and in the hatchery. The Plan’s ‘‘U.S. S.
Enteritidis Clean Program’’ is intended
for primary or multiplier breeders of
meat-type chickens wishing to assure
their customers that the chicks
produced are certified free of
Salmonella Enteritidis.
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2. Vaccination
FSIS will more actively encourage the
development, licensure, and use of
poultry vaccines against Salmonella
serotypes of public health concern,
particularly live attenuated vaccines,
and will provide sampling data and
technical support, as appropriate, to
industry and regulatory bodies to
advance these goals.
Salmonella vaccination is one tool in
a multifaceted approach to overall
Salmonella reduction and/or
elimination of specific Salmonella
serotypes. Vaccines reduce the
susceptibility of individual birds to
Salmonella infection, transmission
among breeding flocks, crosscontamination during meat bird
production, contamination of poultry
house environments, and transmission
to subsequent flocks. Live attenuated
vaccines are derived from a specific
strain of a target organism (i.e.,
Salmonella Typhimurium), subunit
vaccines containing protein or nucleic
acid from the target organism, and
autogenous inactivated vaccines against
a cocktail of strains found in a local
area. Vaccines may provide cross
protection across serotypes. For
example, the availability of a
commercial live attenuated vaccine
created from Salmonella Typhimurium
corresponded to a profound decline in
the incidence of both Typhimurium and
a related serotype Heidelberg
illnesses.178 Attenuated strains can be
designed to expose common antigens,
therefore inducing cross-protective
immunity against diverse Salmonella
serotypes.179 Although vaccines can be
178 NACMCF Report: ‘‘Response to Questions
Posed by the Food Safety and Inspection Service:
Enhancing Salmonella Control in Poultry Products’’
(Mar 2023). Available at: https://www.fsis.usda.gov/
policy/advisory-committees/national-advisorycommittee-microbiological-criteria-foods-nacmcf/
2021.
179 Aehle, S. and R. Curtiss (2017). Chapter 14—
Current and Future Perspectives on Development of
Salmonella Vaccine Technologies. Producing Safe
Eggs. S. C. Ricke and R. K. Gast. San Diego,
Academic Press: 281–299; Hassan, J. O. and R.
Curtiss Iii (1997). ‘‘Efficacy of a live avirulent
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protective and limit horizontal
transmission of infection within broiler
flocks, they must be given multiple
times to all birds in each flock and,
therefore, present logistical and cost
challenges that must be overcome.
FSIS will continue to collect data on
the impact of vaccine use on FSIS
verification testing through pilot
projects. As noted above, since March
2023, FSIS has granted pilot projects to
9 establishments to examine the merits
and logistics of excluding Salmonella
poultry vaccine strains from the FSIS
Salmonella performance categorization
calculation. Modified live Salmonella
vaccines are used to reduce Salmonella
colonization in poultry. These vaccine
strains are not foodborne pathogens,
making them a valuable pre-harvest tool
for controlling wild-type Salmonella.
FSIS is able to identify vaccine strains
isolated from raw poultry products
through the use of whole genome
sequencing.
FSIS examined Salmonella detection
and serotype data from flocks
vaccinated with a modified live
Salmonella vaccine at pre- and postintervention points in the participating
slaughter establishments. These data
show that vaccine strains can
occasionally be found in raw poultry
products even when the vaccine is used
as directed on the label. After reviewing
the data, FSIS concluded that its policy
to count such strains as a positive result
in performance categorization may
discourage use of vaccination as a tool
to control Salmonella. Therefore, on
March 1, 2024, FSIS announced that
beginning April 1, 2024, it intends to
exclude current commercial vaccine
subtypes confirmed in FSIS raw poultry
samples from the calculation used to
categorize establishments under the raw
poultry Salmonella performance
standards.180 This action is intended to
remove barriers to the use of vaccination
as an important pre-harvest intervention
to control Salmonella in poultry. A
summary report of the data from these
pilots is posted on the Pilot Projects:
Salmonella Control Strategies page of
the FSIS website at: https://
www.fsis.usda.gov/inspection/
inspection-programs/inspection-poultryproducts/reducing-salmonella-poultry/
pilot.
Salmonella typhimurium vaccine in preventing
colonization and invasion of laying hens by
Salmonella typhimurium and Salmonella
enteritidis.’’ Avian Dis 41(4): 783–791.
180 FSIS Constituent Update—March 1, 2024:
FSIS Intends to Exclude Vaccine Strains from the
FSIS Salmonella Performance Categorization at:
https://www.fsis.usda.gov/news-events/news-pressreleases/constituent-update-march-1-2024.
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3. Supply Chain Control Programs
Establishments operating under
HACCP regulations (9 CFR part 417)
must perform a hazard analysis to
identify food safety hazards that can
occur before, during, and after entry into
the establishment and to identify the
preventive measures the establishment
can apply to control those hazards.
Establishments that identify hazards
that occur before entry face the
challenge of providing assurance that
preventive measures are effectively
applied. FSIS-inspected establishments
operating under HACCP must
document, validate, and verify the
effectiveness of their hazard control(s).
While not required to do so,
establishments slaughtering poultry that
have identified Salmonella as a hazard
during the breeder and multiplier and
production stages are encouraged by
FSIS to use supply chain programs 181 to
verify the effectiveness of their
supplier’s interventions, and the Agency
will ramp up its efforts to assist any
establishment that wants to implement
a supply chain program.
4. Updated Pre-Harvest Guidance
FSIS intends to revise its existing
guideline on Controlling Salmonella in
Raw Poultry 182 to provide updated
guidance on pre-harvest interventions
and management practices for
preventing and reducing Salmonella
colonization in live birds. FSIS remains
committed to identifying and
developing strategies for addressing
Salmonella contamination in the preharvest environment. Additionally, the
Agency is working with the USDA’s
Agricultural Research Service (ARS) on
a literature review of Salmonella
presence in poultry at pre-harvest.
V. State Programs and Foreign
Government Programs
States that have their own poultry
inspection programs for poultry
181 One example of a supply chain program is a
process verified program (PVP) administered by
USDA’s Agricultural Marketing Service (AMS). A
PVP may include one or more agricultural processes
or portions of processes where self-described
process points are supported by a documented
management system, and independently verified by
a qualified AMS auditor. One PVP available to the
poultry industry is the Quality System Assessment
(QSA). The QSA provides companies that supply
agricultural products and services the opportunity
to assure customers of their ability to provide
consistent quality products or services. It is limited
to programs or portions of programs where
specified product requirements are supported by a
documented quality management system. USDA
AMS Process Verified Program information
available at: https://www.ams.usda.gov/services/
auditing/process-verified-programs.
182 FSIS Guideline for Controlling Salmonella in
Raw Poultry (June 2021), available at: https://
www.fsis.usda.gov/guidelines/2021-0005.
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products produced and transported
solely within the State are required to
have mandatory ante-mortem and postmortem inspection, reinspection, and
sanitation requirements that are at least
equal to those in the PPIA (21 U.S.C.
454(a)(1)). Therefore, if FSIS finalizes
this proposed rule and determination,
these States would need to develop
sampling procedures and testing
methods to detect Salmonella at or
above 10 cfu/mL(g) in an analytical
portion and Salmonella serotypes of
public health significance identified for
raw chicken carcasses, chicken parts,
comminuted chicken, and comminuted
turkey products that are at least as
sensitive as FSIS’ procedures and
testing methods for Salmonella.
Additionally, these States would need
to implement requirements for poultry
slaughter establishments to develop,
implement, and maintain written
procedures to prevent contamination by
enteric pathogens throughout the entire
slaughter and dressing operation that
are at least equal to FSIS’ proposed
revisions to the poultry regulations.
FSIS will coordinate closely with States
that maintain federally supported
poultry inspection programs to ensure
that this Salmonella Framework for raw
poultry products is implemented in all
intrastate establishments.
Foreign countries that are eligible to
export poultry products to the United
States must apply inspection, sanitary,
and other standards that are equivalent
to those that FSIS applies to those
products (21 U.S.C. 466). Thus, in
evaluating a foreign country’s poultry
inspection system to determine the
country’s eligibility to export products
to the United States, FSIS will consider
whether the sampling procedures and
testing methods that the country
implements for detection of Salmonella
at or above 10 cfu/mL(g) in an analytical
portion and Salmonella serotypes of
public health significance identified for
raw chicken carcasses, chicken parts,
comminuted chicken, and comminuted
turkey products are equivalent to FSIS’
sampling procedures and testing
methods. Additionally, FSIS will also
evaluate whether the country’s
requirements for slaughter
establishments to develop, implement,
and maintain written procedures to
prevent contamination by enteric
pathogens throughout the entire
slaughter and dressing operation are
equivalent to FSIS’ proposed revisions
to the poultry regulations. FSIS will
continue to use the existing equivalence
process to ensure that foreign countries
implement requirements, sampling
procedures and testing methods
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equivalent to FSIS’ proposed revisions
to the poultry regulations and the
sampling procedures and testing
methods for Salmonella in raw chicken
carcasses, chicken parts, comminuted
chicken, and comminuted turkey
products. FSIS intends to provide
countries that export poultry products
to the United States 3 years after
publication of the final rule to submit
adequate documentation to support that
their poultry inspection system is
equivalent to FSIS’ inspection system.
Thus, exporting countries would have a
3-year transition period in which they
could continue to export poultry
products to the United States while they
implement measures to ensure that their
poultry inspection system is equivalent
to the U.S. system. FSIS would likely
begin testing imported raw chicken
carcasses, chicken parts, comminuted
chicken, and comminuted turkey
products to verify products are not
adulterated one year after the final
publication. FSIS will provide
additional details on these issues in any
final rule and determination resulting
from this proposal.
VI. Executive Orders 12866, as
Amended by 14094, and 13563
Executive Orders (E.O.) 12866, as
amended by 14094, and 13563 direct
agencies to assess all costs and benefits
of available regulatory alternatives and,
if regulation is necessary, to select
regulatory approaches that maximize
net benefits (including potential
economic, environmental, public health
and safety effects, distributive impacts,
and equity). E.O. 13563 emphasizes the
importance of quantifying both costs
and benefits, of reducing costs, of
harmonizing rules, and of promoting
flexibility. This proposed rule and
proposed determination have been
designated a ‘‘significant’’ regulatory
action by the Office of Information and
Regulatory Affairs under section 3(f) of
E.O. 12866. Accordingly, the proposed
rule and proposed determination have
been reviewed by the Office of
Management and Budget under E.O.
12866.
Regulatory Impact Analysis
FSIS is proposing to clarify certain
process control requirements for poultry
slaughter establishments and establish
final product standards for chicken
carcasses, chicken parts, comminuted
chicken, and comminuted turkey. This
proposal is aimed at reducing
Salmonella illnesses in the U.S.
population.
FSIS is proposing to clarify current
requirements for monitoring compliance
with 9 CFR 381.65(g) for poultry
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slaughter establishments and to require
poultry slaughter establishments to
submit process control monitoring data
electronically to FSIS. These
establishments are currently required to
monitor their processes to ensure they
comply with FSIS regulations. FSIS is
clarifying that MMPs need to be
statistically based and is requiring that
establishments collect samples
specifically at rehang, or an alternative
location if they submit and maintain
supporting documentation. The
proposed clarifications are estimated to
have minimal economic impact on most
establishments, while the potential
effects on VLV and VS establishments
operating under Traditional Inspection,
as described in this analysis, would be
potentially mitigated by the use of
laboratory services provided by FSIS.
FSIS is also proposing to implement
new standards for chicken carcasses,
chicken parts, comminuted chicken,
and comminuted turkey as final
products that would enter commerce.
Product subject to these standards, as
described in the foregoing, would be
subject to FSIS routine sampling and
verification testing for Salmonella.
Establishments subject to FSIS
verification sampling would be required
to maintain control of sampled product
pending test results. Product lots that do
not meet the standards would be
considered adulterated and would be
diverted from commerce.
Establishments could divert adulterated
product to be fully cooked at a federal
establishment and then sent into
commerce.
Finally, FSIS is encouraging
establishments to consider including
pre-harvest measures in their HACCP
systems to address the hazard of
Salmonella contamination prior to
slaughter. The Agency is not requiring
that establishments adopt pre-harvest
measures; thus, any potential costs or
benefits associated with those measures
are especially challenging to analyze,
and we request comment on relevant
data and analytic methods of analysis.
Need for the Rule
This regulatory action is necessary
because while the results of FSIS’
Salmonella verification sampling show
that the current prevalence-based
performance standards approach has
been effective in reducing the
proportion of poultry products
contaminated with Salmonella, these
measures have yet to have an observable
impact on overall human Salmonella
illness rates (see the Salmonella
Performance Standards and Illnesses
section for more details). An estimated
23 percent of Salmonella illnesses are
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attributed to poultry—17 percent to
chicken products and 6 percent to
turkey products—making poultry one of
the leading sources of foodborne
Salmonella illnesses in the United
States.183 Thus, a reduction in
Salmonella illnesses associated with
poultry consumption would be expected
to have an impact on overall Salmonella
illnesses. A 2015 analysis found that
poultry consumption was more likely
than any other animal protein to lead to
Salmonella illnesses.184 Additionally, a
2021 study observed that Salmonella
outbreaks related to consumption of
single ingredient poultry products were
disproportionately higher than the
estimated level of consumption of single
ingredient poultry products.185
As part of this proposal for
Salmonella in poultry, FSIS is
proposing to clarify existing regulatory
requirements related to process control
monitoring and recordkeeping in 9 CFR
381.65(g) and (h) to better ensure that
poultry slaughter establishments are
effectively controlling Salmonella
throughout their slaughter and dressing
operations. FSIS is also proposing to
declare that raw chicken carcasses,
183 The Interagency Food Safety Analytics
Collaboration (IFSAC), ‘‘Foodborne illness source
attribution estimates for 2019 for Salmonella,
Escherichia coli O157, Listeria monocytogenes, and
Campylobacter using multi-year outbreak
surveillance data, United States,’’ October 2021,
https://www.cdc.gov/ifsac/php/annual-reports/
index.html. Annually, IFSAC releases a report that
estimates foodborne illness source attribution for
major commodity groups, including Salmonella in
poultry products. At the time this proposal was
developed, the 2019 IFSAC attribution estimates
were the most recent data available. IFSAC released
a new annual report in November 2023, which
includes attribution estimates for 2020. In the 2023
report, IFSAC estimated that 18.6 percent of
Salmonella illnesses are attributed to chicken
products and 5.5 percent to turkey products, for a
total 24.1 percent attributed to poultry products.
FSIS intends to incorporate the 2023 report
attribution estimates if this proposal is finalized.
IFSAC, ‘‘Foodborne illness source attribution
estimates for Salmonella, Escherichia coli O157,
and Listeria monocytogenes—United States 2021,’’
November 2023, https://www.cdc.gov/ifsac/php/
annual-reports/.
184 The analysis estimated that the risk of getting
sick from Salmonella from one serving of poultry
products was 94, 97, and 87 percent larger than that
for a serving of pork, beef, and lamb products,
respectively. Hsi, D.J., Ebel, E.D., Williams, M.S.,
Golden, N.J. and Schlosser, W.D., 2015. Comparing
foodborne illness risks among meat commodities in
the United States, Food Control, 54, pp.353–359.
https://doi.org/10.1016/j.foodcont.2015.02.018.
185 The analysis observed that while chicken and
turkey consumption represent roughly 0.6 and 0.2
percent of the U.S. daily diet, the share of outbreaks
linked to these products is significantly higher: 2.1
and 1.5 percent, respectively. These estimates are
for chicken and turkey consumed as singleingredient foods. Richardson, L.C., Cole D.,
Hoekstra, R.M., Rajasingham, A., Johnson, S.D.,
Bruce, B.B., 2021. Foods Implicated in U.S.
Outbreaks Differ from the Types Most Commonly
Consumed. Journal of Food Protection, 84(5),
pp.869–875. https://doi.org/10.4315/JFP-20-293.
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parts, and comminuted chicken and
turkey that contain Salmonella at or
above 10 cfu/mL(g) and a serotype of
public health significance are
adulterated because the 2023 risk
assessments found that servings
contaminated with these Salmonella
levels and serotypes are much more
likely to cause illness than the majority
of chicken carcasses, chicken parts,
comminuted chicken, and comminuted
turkey servings (see the Risk per
Serving, Salmonella Levels, and
Proposed Determination section for
more details). The 2023 risk assessments
estimate that diverting products that
contain these Salmonella levels and
serotypes from commerce would
prevent annual foodborne illnesses from
Salmonella linked to poultry.186
Moreover, the FSIS risk profile indicates
that for certain Salmonella serotypes
often linked to poultry products a small
amount of Salmonella bacteria can
cause illness.187 It also noted that these
serotypes caused hospitalization more
frequently and led to invasive disease
and death as well as debilitating human
health outcomes.
FSIS is taking this regulatory action to
protect public health and reduce the
number of Salmonella illnesses linked
to poultry products. If this proposal is
finalized, it would protect consumers
from consuming products that have a
higher probability of illness and would
incentivize producers implement food
safety measures that would minimize
the risk of Salmonella illnesses.
Baseline for Evaluation of Costs and
Benefits
Poultry consumption has grown 13
percent over the past 10 years, with
broiler meat accounting for 83 percent
of the total consumption, while turkey
accounts for about 16 percent. Poultry—
mainly chicken—is the main source of
animal protein across demographic
groups and is consumed both at home
and away from home.188 Poultry
186 USDA, FSIS, ‘‘Quantitative Microbiological
Risk Assessment for Salmonella in Raw Chicken
and Raw Chicken Products,’’ January 2023; USDA,
FSIS, ‘‘Quantitative Microbiological Risk
Assessment for Salmonella in Raw Turkey and Raw
Turkey Products,’’ January 2023 at: https://
www.regulations.gov/docket/FSIS-2023-0028.
187 USDA, FSIS, ‘‘Risk Profile for Pathogenic
Salmonella Subtypes in Poultry,’’ February 28, 2023
at: https://www.regulations.gov/docket/FSIS-20230028.
188 There is variability in poultry consumption
among demographic groups. For example, poultry
consumption is higher among the non-Hispanic
Black population, followed by Hispanics and nonHispanic Asians. Poultry also represents a
substantial source of protein for children, with
chicken being the main source of animal protein
among them. USDA, ERS, ‘‘Racial and Ethnic
Diversification Will Likely Shape U.S. Food
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products are available in multiple
formulations, ranging from raw whole
birds and parts to fully cooked, readyto-eat products. In the United States,
chicken breasts, legs, and wings are the
most consumed chicken products.189
Turkey consumption, in contrast, is
mainly as whole turkey, deli meat,
ground turkey, or turkey bacon. Ground
turkey consumption has increased
substantially in the last decade, mainly
as consumers opt for this product as a
substitute for ground beef.190
On average, U.S. poultry
establishments slaughtered 9.5 billion
birds annually between 2017 and 2021,
which is approximately 49.4 billion
pounds of poultry. Broiler and turkey
meat accounted for 87 and 12 percent of
this production, respectively.191 The
U.S. poultry supply is mainly
comprised of domestically grown and
processed poultry as imports represent
a very small fraction of the total
supply.192 Federally inspected
establishments produce the vast
majority of U.S. commercial poultry
supply.193 Most federally inspected
establishments that produce a high
volume of product solely produce
chicken or turkey products. Some
establishments also slaughter other
classes of poultry, such as duck and
geese. While there are establishments
that slaughter multiple species, they
tend to produce a low volume of
product.
Demand and Diet Quality,’’ by Diansheng Dong and
Hayden Stewart, April 4, 2022, https://
www.ers.usda.gov/amber-waves/2022/april/racialand-ethnic-diversification-will-likely-shape-u-sfood-demand-and-diet-quality/.
189 USDA, Economic Research Service (ERS),
‘‘Chicken leads U.S. per person availability of meat
over last decade,’’ March 1, 2023, https://
www.ers.usda.gov/data-products/chart-gallery/
gallery/chart-detail/?chartId=105929.
190 National Turkey Federation, ‘‘Turkey by the
Numbers,’’ accessed June 20, 2021, https://
www.eatturkey.org/turkeystats/; Agricultural
Marketing Resource Center, ‘‘Turkey Profile,’’
January 2022, https://www.agmrc.org/commoditiesproducts/livestock-dairy-poultry/poultry/turkeyprofile.
191 Other types of poultry (e.g., duck) account for
the remaining 1 percent.
192 Imports of poultry products into the United
States represented less than 0.5 percent of total U.S.
poultry consumption in 2021. The United States is
a net exporter of poultry to the world and is the
second largest exporter globally, with exports
representing about 16 percent of the total domestic
production in 2021. USDA, Foreign Agricultural
Service, ‘‘Production, Supply and Distribution
database,’’ accessed May 11, 2023.
193 USDA, National Agricultural Statistics
Service, Surveys: Poultry Slaughter, October 19,
2020, https://www.nass.usda.gov/Surveys/Guide_
to_NASS_Surveys/Poultry_Slaughter/index.php.
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Establishments Subject to the Current
Salmonella Performance Standards and
Proposed Final Product Standards
FSIS used 2021 Public Health
Information System (PHIS) data to
identify establishments under the
current Salmonella performance
standards that produce chicken
carcasses, chicken parts, comminuted
chicken, and comminuted turkey, as
well as their production volumes.194
Chicken Carcasses
In 2021, there were a total of 188
establishments under FSIS verification
sampling for chicken carcasses that
slaughtered over 8.3 billion chickens.
FSIS classified these establishments into
one of four volume categories (Table
13). Of these, 142 establishments were
high-volume establishments, 9 were
medium-volume, 4 were low-volume,
and 33 were VLV chicken slaughter
establishments. The 142 high-volume
establishments accounted for over 99.5
percent of the total head count
slaughtered in 2021.
TABLE 13—CHICKEN CARCASSES: ESTABLISHMENTS UNDER FSIS PERFORMANCE STANDARDS
[2021]
Definition
(birds)
High ........................................................
Medium ..................................................
142
9
8,270
33
99.52
0.40
4
2
0.03
Very Low 1 ..............................................
10 million or more .................................
More than 1.1 million and less than 10
million.
More than 440,001 and less than 1.1
million.
No more than 440,000 ..........................
33
4
0.05
Total ................................................
................................................................
188
8,309
..............................
Low .........................................................
Number of
establishments
Share of
production
(%)
Establishment volume
category
Annual production
(million birds)
1 Very
low-volume establishments are defined in 9 CFR 381.65g(1)(i).
Note: Numbers in table may not sum to totals due to rounding.
Chicken Parts
In 2021, there were 490
establishments under FSIS verification
sampling that produced chicken legs,
breasts, wings, halves, and/or quarters
(Table 14). Of these, 484 establishments
were subject to FSIS performance
standards sampling for chicken legs,
breasts, and wings. The proposal would
apply to establishments that produce
chicken legs, breasts, wings, thighs,
halves, and quarters. In 2021, most of
the establishments producing chicken
halves and quarters also produced legs,
breasts, and wings. FSIS sampling at
these establishments would be adjusted
to incorporate chicken halves and
quarters samples, while maintaining the
current sampling frequency. In 2021, six
establishments produced chicken halves
and quarters, but did not produce legs,
breasts, or wings. These six
establishments are currently sampled as
part of FSIS’ exploratory sampling
program for chicken halves and
quarters.
FSIS estimates that these
establishments produced over 31.2
billion pounds of chicken parts in 2021.
FSIS classified these establishments
according to the volume categories the
Agency used in the 2016 cost-benefit
analysis in support of FSIS ‘‘Chicken
Parts and Not Ready-To-Eat
Comminuted Poultry Performance
Standards.’’ 195 In 2021, 154 of these
establishments were high-volume, 209
were medium-volume, and 127 were
low-volume establishments (Table 14).
The 154 high-volume establishments
accounted for roughly 90 percent of the
production volume of chicken parts in
2021.
TABLE 14—CHICKEN PARTS: ESTABLISHMENTS UNDER FSIS PERFORMANCE STANDARDS (2021)
Definition
(annual
production
pounds)
Establishment
volume
category
.
High ........................................................
Medium ..................................................
Number of
establishments
Annual
production
(million pounds)
Share of
production
(%)
154
209
28,113
3,055
90.1
9.8
Low .........................................................
70 million or more .................................
More than 1 million and less than 70
million.
1 million or less .....................................
127
40
0.1
Total ................................................
................................................................
490
31,208
..............................
khammond on DSKJM1Z7X2PROD with PROPOSALS2
Note: Numbers in table may not sum to totals due to rounding.
Comminuted Chicken
In 2021, there were 74 establishments
under FSIS verification sampling for
194 USDA, FSIS, Public Health Information
System database, accessed January 2, 2023 and
April 5, 2023. Certain establishments are currently
excluded from Salmonella verification testing. 81
FR 7288. FSIS adjusted the estimates for chicken
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comminuted chicken (Table 15). FSIS
estimates that these establishments
produced about 2.3 billion pounds of
comminuted chicken in 2021. Using the
categories in the 2016 cost-benefit
analysis, the Agency classified 35
establishments as medium-volume and
39 establishments as low-volume. The
parts, comminuted chicken, and comminuted
turkey to match slaughter totals in the analysis
period.
195 USDA, FSIS, ‘‘Chicken Parts and Not ReadyTo-Eat Comminuted Poultry Performance
Standards,’’ Final Cost-Benefit Analysis, February
11, 2016, https://www.fsis.usda.gov/sites/default/
files/media_file/documents/FRN-related-CBASalmonella-Campy-2014-0023-022016.pdf.
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Federal Register / Vol. 89, No. 152 / Wednesday, August 7, 2024 / Proposed Rules
35 medium-volume establishments
accounted for 97.2 percent of total
production of comminuted chicken in
2021.
TABLE 15—COMMINUTED CHICKEN: ESTABLISHMENTS UNDER FSIS PERFORMANCE STANDARDS (2021)
Establishment
volume
category
Definition
(daily
production
pounds)
High ........................................................
Medium ..................................................
Low .........................................................
250,000 or more ....................................
More than 6,000 and less than 250,000
Less than 6,000 ....................................
0
35
39
0
2,193
63
0.0
97.2
2.8
Total ................................................
................................................................
74
2,256
..............................
Number of
establishments
Annual
production
(million pounds)
Share of
production
(%)
Note: Numbers in table may not sum to totals due to rounding.
Comminuted Turkey
In 2021, there were 48 establishments
under FSIS verification sampling for
comminuted turkey (Table 16). FSIS
estimates that these establishments
produced about 1.7 billion pounds of
comminuted turkey in 2021. Using the
categories in the 2016 cost-benefit
analysis, the Agency classified 5
establishments as high-volume, 25
establishments as medium-volume, and
18 as low-volume establishments. The 5
high-volume establishments accounted
for 54.2 percent of the total production
in 2021, while medium-volume
establishments accounted for 45.3
percent, and low-volume establishments
accounted for less than 1 percent of the
total.
TABLE 16—COMMINUTED TURKEY: ESTABLISHMENTS UNDER FSIS PERFORMANCE STANDARDS (2021)
Establishment
volume
category
Definition
(daily
production
pounds)
High ........................................................
Medium ..................................................
Low .........................................................
250,000 or more ....................................
More than 6,001 and less than 250,000
Less than 6,000 ....................................
5
25
18
917
766
8
54.2
45.3
0.5
Total ................................................
................................................................
48
1,691
..............................
Number of
establishments
Annual
production
(million pounds)
Share of
production
(%)
khammond on DSKJM1Z7X2PROD with PROPOSALS2
Note: Numbers in table may not sum to totals due to rounding.
Salmonella on Poultry Products
Salmonella is a foodborne pathogen
commonly attributed to consumption of
contaminated products that can lead to
serious illness and death. In the United
States, it is estimated to cause over 1.35
million illnesses annually, including
26,500 hospitalizations and 420
deaths.196 Salmonella is estimated to be
the leading pathogen in terms of total
cost of illnesses in the United States,
with about 24 percent of the total
cost.197 A 2020 study estimated that the
economic costs of Salmonella illnesses
associated with chicken is $2.8 billion
annually.198 A 2021 Interagency Food
Safety Analytics Collaboration report
attributed roughly 23 percent of the total
annual Salmonella illnesses to
consumption of poultry products,
mainly chicken (17 percent) and turkey
(6 percent).199 Salmonella outbreaks
linked to poultry products have
continued to occur over the last two
decades. From 1998 to 2020, FSIS
identified 210 foodborne Salmonella
outbreaks linked to chicken or turkey
(Figure 1).200 Generally, chicken
products were implicated in 84.8
percent (178 out of 210) of the outbreaks
and turkey products were implicated in
15.2 percent (32 out of 210) of the
outbreaks.201
196 CDC, ‘‘Salmonella,’’ November 10, 2022.
https://www.cdc.gov/salmonella/; USDA,
FSIS, ‘‘Risk Profile for Pathogenic Salmonella
Subtypes in Poultry,’’ February 28, 2023 at: https://
www.regulations.gov/docket/FSIS-2023-0028.
197 USDA, ERS, ‘‘Cost Estimates of Foodborne
Illnesses,’’ Total cost of foodborne illness estimates
for 15 leading foodborne pathogens dataset, March
10, 2021, https://www.ers.usda.gov/data-products/
cost-estimates-of-foodborne-illnesses.aspx.
198 USDA, FSIS, ‘‘USDA Releases Proposed
Regulatory Framework to Reduce Salmonella
Infections Linked to Poultry Products,’’ October 14,
2022, https://www.fsis.usda.gov/news-events/newspress-releases/usda-releases-proposed-regulatory-
framework-reduce-salmonella. A cost of illness
model that replaces the productivity loss estimates
with a pain, suffering, and functional disability
measure based on monetized quality-adjusted life
year estimates indicates that the estimated annual
cost of Salmonella illness was around $11.4 billion
(ranging from $2.5 to $29.1 billion) in 2010 dollars.
Scharff, R.L., 2012. Economic burden from health
losses due to foodborne illness in the United States.
Journal of food protection, 75(1), pp.123–131, DOI:
10.4315/0362–028X.JFP–11–058.
199 The Interagency Food Safety Analytics
Collaboration, ‘‘Foodborne illness source attribution
estimates for 2019 for Salmonella, Escherichia coli
O157, Listeria monocytogenes, and Campylobacter
using multi-year outbreak surveillance data, United
States,’’ October 2021, https://www.cdc.gov/
foodsafety/ifsac/pdf/P19-2019-report-TriAgency508.pdf.
200 Chicken was considered the source of
contamination on the outbreak linked to stuffed
chicken products.
201 CDC, National Outbreak Reporting System
(NORS), NORS Dashboard, accessed April 2023,
https://wwwn.cdc.gov/norsdashboard/;USDA, FSIS,
‘‘Outbreak Investigations: Response May 10, 2023
https://www.fsis.usda.gov/food-safety/foodborneillness-and-disease/outbreaks/outbreakinvestigations-response.
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Federal Register / Vol. 89, No. 152 / Wednesday, August 7, 2024 / Proposed Rules
Figure 1. Outbreaks with chicken and turkey as contaminated single ingredient from 1998 to
2020
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In 2023, FSIS developed a risk profile
that details current knowledge on
Salmonella to inform Agency efforts.
The risk profile identified 28
Salmonella serotypes (out of around
2,500 serotypes) and four serogroups
which were attributed to human
salmonellosis from consuming chicken
and turkey products. The FSIS risk
profile indicated that for at least some
subtypes of concern a small amount
(i.e., low dose of Salmonella bacteria),
can cause illness. The FSIS risk profile
noted that certain serotypes caused
hospitalization more frequently and also
led to invasive disease and death. Some
subtypes have also been found to cause
debilitating human health outcomes.
Among these outcomes are cancer,
inflammatory bowel disease, irritable
bowel syndrome, and reactive arthritis.
The overall hospitalization rate for all
Salmonella is about 2 percent and the
fatality rate is about 0.04 percent.
However, the hospitalization rate for
these serotypes is nearly 23 percent and
the fatality rate is about 0.5 percent.202
Salmonella is the main pathogen
resulting in foodborne illness-related
deaths and hospitalizations, as well as
loss of quality-adjusted life years
(QALYs) and disability-adjusted life
years (DALYs). The CDC estimates that
Salmonella accounts for about 11
percent of total cases of domestically
202 USDA, FSIS, ‘‘Risk Profile for Pathogenic
Salmonella Subtypes in Poultry,’’ February 28, 2023
at: https://www.regulations.gov/docket/FSIS-20230028.
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acquired foodborne illness.203 However,
it disproportionately accounts for about
44 percent of deaths associated with
domestic bacterial foodborne illness
from major pathogens and 28 percent of
the hospitalizations. It has also been
estimated to lead to the highest amount
of QALYs lost among 14 domestic
foodborne bacterial, viral, and parasitic
pathogens. Salmonella is also estimated
to contribute to 32,900 lost DALYs, or
about 30 percent of lost DALYs from
seven leading foodborne pathogens.204
Potential Costs and Benefits of the
Proposed Rule and Proposed
Determination
FSIS estimates that this proposal
would result in a reduction in
Salmonella illnesses among consumers.
Furthermore, for producers, the
reduction in the risk of illness, and
hence outbreaks, would result in a
lower risk of having to recall product.
Producers would, as a result avoid the
costs associated with that reduction.
While producers would respond to this
proposal in a way that makes economic
sense to them, FSIS estimated the
quantified cost associated with this
proposal as explained in more detail
below.
This proposal would also benefit
industry as FSIS would clarify process
control requirements for poultry
203 CDC, ‘‘Burden of Foodborne Illness:
Findings,’’ November 5, 2018, https://www.cdc.gov/
foodborneburden/2011-foodborne-estimates.html.
204 USDA, FSIS, ‘‘Risk Profile for Pathogenic
Salmonella Subtypes in Poultry,’’ February 28, 2023
at: https://www.regulations.gov/docket/FSIS-20230028.
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slaughter establishments, which would
likely contribute to a reduction in
Salmonella contamination. Further, the
Agency would incentivize innovation
and the adoption of safer scientific
methods in poultry production.
In the following sections, this analysis
presents potential costs and benefits
generated over a range of assumptions
that could accrue as a result of FSIS’
action, if this rule is finalized. To
implement this proposal, FSIS would
adopt an implementation schedule that
would allow medium-, low-, and very
low-volume establishments additional
flexibility. Specifically, medium-volume
establishments would have two years
after the proposal is finalized to comply
with the proposed requirements, while
low- and very low-volume
establishments would have three years.
High-volume establishments would be
required to comply with these proposed
requirements one year after this rule is
finalized. The Agency incorporated this
implementation schedule into the
annualization of costs and benefits
estimates in this analysis, which are
presented after the one-time and
recurring cost estimates for each
requirement. FSIS annualized costs and
benefits using a 7 percent discount rate
over a period of 10 years. FSIS applied
the share of production for each
establishment category to derive the lost
value and prevented illness estimates
that correspond with the
implementation schedule. FSIS is
seeking comment on these assumptions.
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Federal Register / Vol. 89, No. 152 / Wednesday, August 7, 2024 / Proposed Rules
Potential Costs of the Proposed Rule and
Proposed Determination
Costs Associated With the Proposed
Rule
Statistical Process Control Costs
FSIS currently requires poultry
slaughter establishments to develop,
implement, and maintain written
procedures to prevent contamination by
enteric pathogens and fecal
contamination throughout the entire
slaughter operation and incorporate
these procedures into their HACCP
systems (9 CFR 381.65(g)). At a
minimum, these procedures must
include sampling and analysis for
microbial organisms at pre-and postchill to monitor their ability to maintain
process control, with some exceptions
for VS and VLV establishments
operating under Traditional Inspection.
The proposal specifies that
establishments must collect the pre-chill
sample at rehang (post-picking and preevisceration) and clarifies that its
microbial organism monitoring practices
must result in data suitable for
monitoring process control. While many
establishments already meet the
proposed specifications, some
establishments may change where they
collect the pre-chill sample or change
the microbial organism they test for.
However, establishments may continue
their current sampling location and
microbial organism monitoring
practices, or adopt an alternative
location and organism, if they submit
and maintain supporting
documentation. The Agency is also
providing guidance for establishments
to develop their MMPs. FSIS assumes
that most establishments would meet
the proposed MMP requirements
without having to make any changes
that would result in costs, while some
establishments would have to make
minor changes in response to this
proposal at de minimis costs. The
Agency is seeking comments on these
assumptions.
FSIS regulations currently require that
VLV establishments collect process
control monitoring samples minimally
once per week for a minimum of 13
consecutive weeks per year, beginning
the first week of June.205 FSIS is
proposing to eliminate the requirement
that VLV establishments begin sample
collection the first week in June, which
would allow establishments to begin
collecting samples throughout the year.
FSIS estimates there is no cost
associated with this revised
requirement, while establishments may
benefit from this flexibility.
FSIS estimates that 90 VLV and 2 VS
poultry slaughter establishments
operating under Traditional Inspection
would likely need to make changes in
response to the proposed process
control requirements.206 FSIS is
proposing to revise 9 CFR 381.65g(1)
such that all poultry slaughter
establishments would be required to
collect samples at the rehang and postchill locations. Very small and VLV
establishments operating under
Traditional Inspection are currently
required to collect samples only at postchill. FSIS currently requires that VLV
64727
establishments minimally collect 13
weekly samples per year to monitor
process control. If this rule is finalized,
these establishments would be required
to collect and analyze 13 additional
samples per year. The number of
additional samples for VS
establishments operating under
Traditional Inspection that are not VLV
establishments depends on their
production volume. FSIS assumed that
these VS establishments currently
collect 52 samples per year and,
consequently, would collect an
additional 52 samples per year. FSIS is
seeking comment on these assumptions.
FSIS would reduce the burden this
proposed increase in sampling places on
VLV and VS establishments operating
under Traditional Inspection by making
laboratory services available to these
establishments. Use of the laboratories
provided by FSIS would enable these
establishments to comply with the
proposed minimum requirements for
MMPs. Should these establishments
elect not to use the laboratory services
provided by FSIS, the Agency estimated
the combined cost for these
establishments to meet the proposed
increase in sampling would be $48,412
annually (Table 17). Assuming the
proposed implementation schedule and
annualizing over 10 years at a 7 percent
discount rate, the cost for these
establishments to meet the proposed
increase in sampling would be $35,950.
This analysis assumed samples
collected at these establishments are
analyzed for AC, at a cost of $38 per
sample.
TABLE 17—STATISTICAL PROCESS CONTROL COSTS
Number of
establishments
(2021)
Establishments type
Testing cost
($)
Very low-volume under Traditional Inspection ............................................................................................
Very small under Traditional Inspection ......................................................................................................
90
2
44,460
3,952
Total ......................................................................................................................................................
Annualized 1 ..........................................................................................................................................
92
..............................
48,412
35,950
1
Costs annualized at a discount rate of 7% over 10 years.
* Note: Numbers in table may not sum to totals due to rounding.
khammond on DSKJM1Z7X2PROD with PROPOSALS2
Electronic Data Submission
FSIS would require poultry slaughter
establishments subject to 9 CFR
381.65(g) and (h) to electronically
submit data generated as part of their
process control monitoring. FSIS
estimates that high- and medium205 9
CFR 381.65(g)(2)(ii).
low-volume establishments are those that
slaughter less than 440,000 chickens or 60,000 of
any other poultry class annually. Very small
206 Very
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volume establishments already compile
process control data electronically due
to the large volume of their operations
and the frequency of their sample
collection and analysis. To mitigate the
impact on low- and VLV establishments,
should this rule become final, the
Agency would develop and publish a
template these establishments could use
to record and submit their monthly
results.
In 2021, there were 298
establishments that would have been
subject to this change, of which 175
were high-volume, 15 medium-,
14 low-, and 94 very low-volume.207
establishments are those with less than 10
employees or under $2.5 million in annual sales. 9
CFR 381.65g(1)(i) and 9 CFR 381.65g(1)(ii).
207 The 94 VLV establishments include the 90
establishments operating under Traditional
Inspection, as well as four establishments not under
Traditional Inspection.
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Federal Register / Vol. 89, No. 152 / Wednesday, August 7, 2024 / Proposed Rules
Establishments that elect to use
laboratory services provided by FSIS for
their process control samples would
meet this requirement and not incur
additional costs. This analysis assumed
that none of the eligible establishments
would choose to use laboratories
provided by FSIS and the Agency
estimated the costs associated with this
requirement for all eligible
establishments. Consequently, there is a
tendency toward overstatement in the
cost to regulated establishments
associated with this proposal.
FSIS assumed it would take a quality
control (QC) manager 30 minutes (0.5
hours) once a month to submit these
data. FSIS estimates that the average
wage for a QC manager is $113.24,
which includes an average hourly wage
of $56.62 multiplied by a benefits and
overhead factor of two.208 Under these
assumptions, the combined cost to
industry is $202,473 (0.5 hours × 12
months × 298 establishments × $113.24)
per year (Table 18), including $118,902
for high-volume establishments, $10,192
for medium-volume, $9,512 for lowvolume, and $63,867 for VLV. Assuming
the proposed implementation schedule
and annualizing over 10 years at a 7
percent discount rate, the cost for
electronic data submissions is $182,228.
TABLE 18—ELECTRONIC DATA SUBMISSION COSTS
Cost ($)
Establishment
volume
category
Chicken
All other
classes
Turkey
Total
High ..................................................................................................................
Medium ............................................................................................................
Low ..................................................................................................................
Very Low ..........................................................................................................
97,839
8,153
7,474
55,714
19,024
679
679
7,474
2,038
1,359
1,359
679
118,902
10,192
9,512
63,867
Total ..........................................................................................................
Annualized 1 ..............................................................................................
169,181
........................
27,857
........................
5,436
........................
202,473
182,228
1 Costs annualized at a discount rate of 7% over 10 years.
Note: Numbers in table may not sum to totals due to rounding.
HACCP Plan Reassessment Costs 209
The Agency assumed that every
poultry slaughter establishment would
reassess their HACCP plans and incur
associated costs. This likely
overestimates costs because not every
establishment would reassess their
HACCP plans. For chicken slaughter
establishments that produce chicken
carcasses subject to these proposed final
product standards and are also subject
to the proposed process control
requirements, FSIS assumed they would
only reassess their slaughter HACCP
plan once. However, for establishments
that produce multiple products subject
to these final product standards, FSIS
assumed they would reassess their
HACCP plans for each of the products
they produce that are affected by the
proposed changes. However,
establishments that have to reassess
HACCP plans for multiple products
would likely experience some
economies of scope. Furthermore,
establishments could coordinate
reassessing their HACCP plans in
response to this proposal with currently
required annual reassessments.
FSIS estimates that the total cost to
industry from reassessing HACCP plans
as a result of this proposal is $1.39
million, ranging from $0.70 to $2.09
million (Table 19). Assuming the
proposed implementation schedule and
annualizing over 10 years at a 7 percent
discount rate, the cost for HACCP plan
reassessment is $0.18 million, ranging
from $0.09 million to $0.26 million.
High- and medium-volume
establishments need an average of 60
hours (ranging from 30 to 90), while low
and VLV establishments need an
average of 30 hours (ranging from 15 to
45) to reassess a HACCP plan, according
to the 2015 ‘‘Costs of Food Safety
Investments’’ report. This report
estimated costs for large and small
establishments. FSIS assumed the large
category would correspond with highand medium-volume establishments,
while the small category would
correspond with low- and very lowvolume establishments. FSIS used data
from the U.S. Bureau of Labor Statistics
to update the hourly wage for estimating
these labor costs. Specifically, FSIS
used the 2021 hourly wage for a
production worker of $30.78, which
includes an average hourly wage of
$15.39 multiplied by a benefits and
overhead factor of two.
TABLE 19—HACCP PLAN REASSESSMENT COSTS
Number of
establishments
khammond on DSKJM1Z7X2PROD with PROPOSALS2
Establishment volume category
Cost (million $)
Low
Mid
High
High ..........................................................................................
Medium ....................................................................................
Low ..........................................................................................
Very Low ..................................................................................
333
279
193
91
0.31
0.26
0.09
0.04
0.61
0.52
0.18
0.08
0.92
0.77
0.27
0.13
Total ..................................................................................
Annualized 1 ......................................................................
..............................
..............................
0.70
0.09
1.39
0.18
2.09
0.26
1 Costs
are annualized at a 7 percent discount rate over 10 years.
208 Mean hourly wage estimate of $56.62 obtained
from the Bureau of Labor Statistics, May 2021
National Industry Specific Occupational
Employment and Wage Estimates for 11–3051
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Management Occupations. https://www.bls.gov/oes/
2021/may/oes113051.htm.
209 Note: For simplicity, this section includes
HACCP reassessment costs associated with the
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proposed rule and proposed determination, as some
establishments subject to the proposed rule are also
subject to the proposed determination.
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64729
Note: Number of establishments is not additive as some establishments produce multiple products. Numbers in table may not sum to totals
due to rounding.
Validation of HACCP Plans
If an establishment makes changes to
their HACCP plan, they would also have
to validate it, incurring associated costs.
However, the Agency assumed few
establishments would make changes to
their MMPs and only those that make
changes would need to validate their
HACCP plans. Additionally, the Agency
assumed that many establishments have
already implemented Salmonella
controls in response to the 2016 FSIS
performance standards and will not
need to make changes to their HACCP
plan. The 2015 ‘‘Costs of Food Safety
Interventions’’ report indicates that
high- and medium-volume
establishments would need an average
of 320 labor hours, while low- or very
low-volume establishments would need
an average of 400 hours to validate a
HACCP plan. The estimated cost for
HACCP plan validation is $25,894 for a
high or medium-volume establishment,
on average, and for a low- or very lowvolume establishment it is $32,368.
FSIS used the 2021 hourly wage for a
food scientist of $80.92, which includes
an average hourly wage of $40.46
multiplied by a benefits and overhead
factor of two, for this estimate.210 FSIS
did not include a total industry HACCP
validation cost because FSIS does not
have data on the number of
establishments that will make changes
to their plans in response to this
proposal. FSIS is requesting comments
to address this data gap.
Costs Associated With the Proposed
Determination
khammond on DSKJM1Z7X2PROD with PROPOSALS2
Maintaining Control of Sampled
Product Costs
FSIS is proposing that chicken
carcasses, chicken parts, comminuted
chicken, and comminuted turkey with
Salmonella levels at or above 10 cfu/
mL(g) and one of the Salmonella
serotypes of public health significance
intended for consumption as final
products would be adulterated. As
proposed, FSIS inspected
establishments would be required to
maintain control of product sampled as
part of FSIS verification sampling for
adulterants. Any chicken carcass, parts,
comminuted chicken, or comminuted
turkey final products testing positive for
Salmonella levels at 10 cfu/mL(g) or
210 BLS, May 2021 National Industry-Specific
Occupational Employment and Wage Estimates for
19–1012 Food Scientists and Technologists,
accessed April 13, 2023, https://www.bls.gov/oes/
2021/may/oes191012.htm.
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higher would not be allowed to enter
commerce until the Salmonella serotype
result is reported and no serotypes of
public health significance are detected.
If this proposal is finalized,
establishments would be required to
prevent product sampled as part of FSIS
verification sampling from entering
commerce until a negative test result or
one above the 10 cfu/mL(g) level but not
containing a serotype of public health
significance is received. FSIS does not
require establishments to hold product
at their physical location; thus, product
can be stored off-site at an
establishment’s storage facility, or
another private or public storage
facility, pending test results. Product
subject to FSIS verification sampling
can also be diverted and processed into
a product that is not subject to these
final product standards (i.e., fully
cooked products) instead of being sent
to cold storage.
FSIS anticipates that the Agency
would provide establishments with final
adulteration results five days after the
sample is collected.211 Results on a
product’s level of Salmonella would
require industry to hold sampled lots for
two days and results on the presence of
a serotype of public health significance
would take an additional three days.
The Agency assumed that
establishments would maintain control
of product until final adulteration
results are available. Establishments
would be able to move product with test
results at levels below 10 cfu/mL(g) into
commerce, which would necessitate
product to be under establishment’s
control for up to two days. The Agency
assumed that establishments would
decide to divert adulterated product
after results on its adulteration status
are available. This cost is described in
the Lost value to the industry costs
section.
To estimate the industry cost for
holding product pending test results,
FSIS used 2021 data from PHIS. FSIS
assumed that establishments subject to
these final product standards would
maintain control of each sampled lot
pending FSIS verification sampling
results. Regulated establishments define
their production lots according to their
specific conditions and FSIS allows
establishments to adjust their lot sizes if
211 While the Agency currently uses whole
genome sequencing to determine the presence of
Salmonella serotypes on product sampled by FSIS,
the Agency would adopt an alternative approach
that would lead to results on the presence of
Salmonella serotypes in one to three days after
screening.
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they provide scientific justification for
defining lots.212 Thus, FSIS used
Agency data to approximate the amount
of product subject to verification
sampling. For chicken carcasses, the
estimated lot size is 46,000 birds for
high- and medium-volume
establishments and 1,800 birds for lowand very low-volume establishments.213
For establishments producing chicken
parts, comminuted chicken, and
comminuted turkey, the estimated lot
sizes are (1) one hour, (2) one shift, and
(3) one day of production. These
estimated lot sizes, respectively,
represent the low, medium, and high
scenarios used for estimating the cost of
maintaining control of product pending
test results for chicken parts,
comminuted chicken, and comminuted
turkey in this analysis. FSIS is seeking
comment on these assumptions.
Since FSIS is proposing to sample
these products at the same rate as the
current performance standards, the
Agency used the number of samples
collected in 2021 at establishments that
would be subject to this proposal and
the estimated lot sizes to approximate
the volume of product that would be
subject to the Agency’s verification
sampling program.214
FSIS used the per pound cost of cold
storage as estimated in the 2015 ‘‘Costs
of Food Safety Investments’’ report to
monetize the cost to industry from
holding product due to this proposal.215
212 77
FR 73401.
213 Establishments
that slaughter less than 1
million birds per year had flock sizes ranging from
100 to 3,500 birds. FSIS used the average, or 1,800
birds, to approximate the total sampled production
at these establishments.
214 FSIS collects up to five continuous samples
per month at establishments producing young
chicken and turkey carcasses, and raw chicken
parts, comminuted chicken and turkey products.
USDA, FSIS, ‘‘Salmonella Verification Testing
Program Monthly Posting,’’ April 20, 2023, https://
www.fsis.usda.gov/science-data/data-setsvisualizations/microbiology/Salmonellaverification-testing-program-monthly.
215 For cold storage, the report assumes that the
cost of creating and maintaining onsite storage
would be equivalent to third-party, offsite cold
storage. The establishment needs to ensure that the
offsite cold storage facility is certified for food-grade
products by USDA. Incoming product will already
be cooled, so the storage facility would only need
to maintain the product temperature. FSIS assumed
product would be refrigerated. RTI Costs of Food
Safety Investments. September 2015. Contract No.
AG–3A94–B–13–0003 Order No. AG–3A94–K–14–
0056. Revised Final Report. Prepared by Catherine
L. Viator, Mary K. Muth, Jenna E. Brophy. RTI
International. RTI Project Number
0214016.003.000.001. The full report is available
here: https://www.fsis.usda.gov/sites/default/files/
media_file/documents/Costs_of_Food_Safety_
Investments_FSIS-2022-0013.pdf.
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FSIS updated this estimate to 2021
dollars by applying the growth in the
‘‘Moving, storage, freight expense’’
consumer price index.216 The resulting
cost of cold storage estimate, on a per
pound, per day basis is $0.0023 in 2021
dollars. Establishments may already
store product in their facilities or in an
off-site location for a certain amount of
time. However, the Agency assumed
that all costs of storing product for the
sampled lots are due to this proposal.
FSIS is seeking comments on cold
storage costs and availability at
inspected establishments or off-site
facilities.
Chicken Carcasses
FSIS estimated that in 2021
establishments subject to the
performance standards produced 33.2
billion pounds of chicken carcasses. 217
The Agency estimated that about 11
percent of chicken carcasses are
consumed as whole birds and, thus,
final products subject to the proposal.218
To account for uncertainty in this
estimate, the Agency used 6, 11, and 16
percent as the low, medium, and high
estimates of the volume of chicken
carcasses subject to the proposal. FSIS
estimated that in 2021 a total of 162.9
million pounds, ranging from 88.9 to
237.0 million, would have been
sampled as part of these final product
standards (Table 20).219 There is likely
a tendency toward overstatement in this
estimate of the volume of product
subject to FSIS verification sampling as
lot sizes vary by establishments and lot
sizes may be smaller than the sizes FSIS
assumed for this analysis.
TABLE 20—CHICKEN CARCASSES: ESTIMATED SAMPLED VOLUME BY ESTABLISHMENT VOLUME CATEGORY
[2021]
Estimated sampled volume
(million pounds)
Number of
establishments
Establishment volume category
Low
Medium
High
High ..........................................................................................
Medium ....................................................................................
Low ..........................................................................................
Very Low ..................................................................................
142
9
4
33
86.8
1.8
0.04
0.2
159.1
3.4
0.1
0.4
231.4
4.9
0.1
0.6
Total ..................................................................................
188
88.9
162.9
237.0
Note: Numbers in table may not sum to totals due to rounding.
This analysis assumed establishments
would maintain control of sampled
product until results on the level of
Salmonella are available, which is
expected to take two days. FSIS assumes
establishments would move into
commerce product with test results
below 10 cfu/mL(g) and would hold
product at or above that level for an
additional three days. FSIS estimated
that 654,123 pounds of chicken
carcasses would have test results at or
above 10 cfu/mL, which would be held
until results on the presence of a
serotype of public health significance
were available. FSIS estimated the total
cost to industry of holding all sampled
chicken carcasses pending test results at
$0.75 million annually [(162.9 million ×
$0.0023 × 2) + (654,123 × $0.0023 × 3)],
ranging from $0.41 to $1.09 million
(Table 21). Assuming the proposed
implementation schedule and
annualizing over 10 years at a 7 percent
discount rate, the cost for holding
chicken carcasses pending test results is
$0.75 million, ranging from $0.41
million to $1.09 million.
TABLE 21—CHICKEN CARCASSES: MAINTAINING CONTROL OF SAMPLED PRODUCT COSTS
Estimated cost (million $)
Category
Low
Medium
High
High ............................................................................................................................
Medium ......................................................................................................................
Low ............................................................................................................................
Very low .....................................................................................................................
0.40
0.01
0.0002
0.0011
0.73
0.02
0.0003
0.0020
1.07
0.02
0.0005
0.0029
Total ....................................................................................................................
Annualized 1 ........................................................................................................
0.41
0.41
0.75
0.75
1.09
1.09
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1 Costs are annualized at a 7 percent discount rate over 10 years.
Note: Numbers in table may not sum to totals due to rounding.
216 Bureau of Labor Statistics (BLS), Consumer
Price Index (CPI), ‘‘Moving, storage, freight expense
in U.S. city average, all urban consumers, not
seasonally adjusted,’’ (Series ID
CUUR0000SEHP03), accessed February 14, 2023.
This CPI grew 37.5 percent from 2015 to 2021.
217 (8.3 billion birds × 4 pounds). Dressed weights
for chickens vary. For broilers, which is the main
class of poultry slaughtered at FSIS inspected
establishments, the 2023 chicken Risk Assessment
used an average carcass weight was 4 pounds.
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218 USDA, FSIS, ‘‘Quantitative Microbiological
Risk Assessment for Salmonella in Raw Chicken
and Raw Chicken Products,’’ January 2023 at:
https://www.regulations.gov/docket/FSIS-20230028.
Estimates from the National Chicken Council
indicate that about 9 percent of broilers, the main
chicken subclass produced in the United States,
were marketed as whole birds in 2021. National
Chicken Council (NCC), ‘‘How Broilers are
Marketed,’’ accessed May 11, 2023, https://
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www.nationalchickencouncil.org/statistic/howbroilers-are-marketed/.
219 This is the sum of the estimated sampled
volume for all establishment categories. For each
category, this volume is calculated as: number of
establishments × average number of samples × lot
size converted to pounds × estimated share of
production intended as final product. For example,
the medium estimate for high-volume
establishments is 142 × 55 × (46,000 × 4) × 0.10.
Calculations might not sum to totals due to
rounding.
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Federal Register / Vol. 89, No. 152 / Wednesday, August 7, 2024 / Proposed Rules
Chicken Parts
FSIS estimated that in 2021
establishments subject to the
performance standards processed 31.2
billion pounds of chicken parts.220 Raw
chicken parts processed at FSIS
regulated establishments can be sent
into commerce as final products or
further processed into a variety of
preparations, including cooked products
(e.g., fully cooked chicken breasts). As
such, FSIS assumed that 80, 85, or 90
percent of the estimated production of
chicken parts would be raw final
product subject to this proposal. FSIS is
seeking comments on this assumption.
FSIS estimated that 2.6 billion pounds
of chicken parts, ranging from 308
64731
million to 5.5 billion, would have been
sampled as part of these final product
standards (Table 22).221 There is likely
a tendency toward overstatement in this
estimate of the volume of product
subject to FSIS verification sampling as
lot sizes vary by establishments and lot
sizes may be smaller than the sizes FSIS
assumed for this analysis.
TABLE 22—CHICKEN PARTS: ESTIMATED SAMPLED VOLUME BY ESTABLISHMENT VOLUME CATEGORY
[2021]
Estimated sampled volume
(million pounds)
Number of
establishments
Category
Low
Medium
High
High ..........................................................................................
Medium ....................................................................................
Low ..........................................................................................
154
209
127
286
21
0
2,433
181
3
5,153
325
5
Total ..................................................................................
490
308
2,617
5,483
Note: Numbers in table may not sum to totals due to rounding.
This analysis assumed establishments
would maintain control of sampled
product until results on the level of
Salmonella are available, which is
expected to take two days. FSIS
assumed establishments would move
product with test results below 10 cfu/
mL(g) into commerce and would hold
for an additional three days product
with results at or above that level. FSIS
estimated that about 246,949 pounds of
chicken parts would have test results at
or above 10 cfu/mL(g), which would be
held until results on the presence of a
serotype of public health significance
were available. FSIS estimated the cost
to industry of holding all sampled
chicken parts pending test results at
$12.0 million annually [(2.6 billion ×
$0.0023 × 2) + (246,949 × $0.0023 × 3)],
ranging from $1.4 to $25.1 million
(Table 22). Assuming the proposed
implementation schedule and
annualizing over 10 years at a 7 percent
discount rate, the cost for holding
chicken parts pending test results is
$11.88 million, ranging from $1.4
million to $24.9 million.
TABLE 23—CHICKEN PARTS: MAINTAINING CONTROL OF SAMPLED PRODUCT COSTS
Cost (million $)
Category
Low
Medium
High
High ............................................................................................................................
Medium ......................................................................................................................
Low ............................................................................................................................
1.31
0.10
0.00
11.15
0.83
0.02
23.62
1.49
0.02
Total ....................................................................................................................
Annualized 1 ........................................................................................................
1.41
1.40
12.00
11.88
25.13
24.93
1 Costs are annualized at a 7 percent discount rate over 10 years.
Note: Numbers in table may not sum to totals due to rounding.
FSIS estimated that in 2021
establishments subject to the
performance standards processed 2.3
billion pounds of comminuted chicken.
Raw comminuted chicken processed at
FSIS regulated establishments can be
sent into commerce as final products or
further processed into a variety of
preparations, including cooked products
(e.g., fully cooked chicken nuggets). As
such, FSIS assumed that 80, 85, or 90
percent of the estimated production of
comminuted chicken would be raw final
product subject to this proposal. FSIS is
seeking comments on this assumption.
FSIS estimated that 264.19 million
pounds, ranging from 26.1 to 427.65
million pounds of comminuted chicken,
would have been sampled as part of
these final product standards (Table
24).222 There is likely a tendency toward
overstatement in this estimate of the
volume of product subject to FSIS
verification sampling as lot sizes vary by
establishments and lot sizes may be
smaller than the sizes FSIS assumed for
this analysis.
220 The 2023 chicken risk assessment estimated
that, of the total chicken slaughtered volume, about
83 percent is consumed as chicken parts. In 2021,
total chicken slaughter volume was an estimated 37
billion pounds, 31.2 billion of which are estimated
to be processed into chicken parts.
221 FSIS calculated these estimates using average
daily production volume and total number of
samples in 2021 for each of the establishments
producing chicken parts assuming lot sizes of one
hour, one shift, and one day of production. FSIS
multiplied this result by the share production
intended as final product to obtain the low,
medium, and high estimates.
222 FSIS calculated these estimates using average
daily production volume and total production days
in 2021 for each of the establishments producing
comminuted chicken and multiplying by the share
production intended as final product.
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TABLE 24—COMMINUTED CHICKEN: ESTIMATED SAMPLED VOLUME BY ESTABLISHMENT VOLUME CATEGORY
[2021]
Estimated sampled volume
(million pounds)
Number of
establishments
Category
Low
Medium
High
High ..........................................................................................
Medium ....................................................................................
Low ..........................................................................................
0
35
39
0
25.12
1.02
0
254.59
9.59
0
415.22
12.43
Total ..................................................................................
74
26.14
264.19
427.65
Note: Numbers in table may not sum to totals due to rounding.
This analysis assumed establishments
would maintain control of this product
until results on the level of Salmonella
are available, which is expected to take
two days. FSIS assumed establishments
would move product with test results
below 10 cfu/mL(g) into commerce and
would hold for an additional three days
products with results at or above that
level. FSIS estimated that about 5.0
million pounds of comminuted chicken
would have test results at or above 10
cfu/mL(g), which would be held until
results on the presence of a serotype of
public health significance were
available. FSIS estimated the cost to
industry of holding all sampled
comminuted chicken pending test
results at $1.3 million annually (264.2
million × $0.0023 × 2) + (5.0 million ×
$0.0023 × 3)], ranging from $0.2 to $2.0
million (Table 25). Assuming the
proposed implementation schedule and
annualizing over 10 years at a 7 percent
discount rate, the cost for holding
comminuted chicken products pending
test results is $1.1 million, ranging from
$0.1 million to $1.7 million.
TABLE 25—COMMINUTED CHICKEN: MAINTAINING CONTROL OF SAMPLED PRODUCT COSTS
Cost (million $)
Category
Low
Medium
High
High ............................................................................................................................
Medium ......................................................................................................................
Low ............................................................................................................................
0
0.15
0.006
0
1.20
0.04
0
1.94
0.06
Total ....................................................................................................................
Annualized 1 ........................................................................................................
0.15
0.13
1.25
1.07
1.99
1.72
1 Costs are annualized at a 7 percent discount rate over 10 years.
Note: Numbers in table may not sum to totals due to rounding.
Comminuted Turkey
FSIS estimated that in 2021
establishments subject to the
performance standards processed 1.7
billion pounds of comminuted turkey.
Raw comminuted turkey processed at
FSIS regulated establishments can be
sent into commerce as final products or
further processed into preparations
including cooked products (e.g., fully
cooked sausages). As such, FSIS
assumed that 80, 85, or 90 percent of the
estimated production of comminuted
turkey would be raw final product
subject to this proposal. FSIS is seeking
comments on this assumption. FSIS
estimates that 156.7 million pounds,
ranging from 18.4 to 330.4 million,
would have been sampled as part of
these final product standards (Table
26).223 There is likely a tendency toward
overstatement in this estimate of the
volume of product subject to FSIS
verification sampling as lot sizes vary by
establishments and lot sizes may be
smaller than the sizes FSIS assumed for
this analysis.
TABLE 26—COMMINUTED TURKEY: ESTIMATED SAMPLED VOLUME BY ESTABLISHMENT VOLUME CATEGORY
[2021]
Estimated sampled volume
(million pounds)
Number of
establishments
Category
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Low
Medium
High
High ..........................................................................................
Medium ....................................................................................
Low ..........................................................................................
5
25
18
11.49
6.90
0.04
97.71
58.63
0.36
206.91
122.86
0.65
Total ..................................................................................
48
18.43
156.69
330.42
Note: Numbers in table may not sum to totals due to rounding.
223 FSIS calculated these estimates using average
daily production volume and total production days
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in 2021 for each of the establishments producing
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comminuted turkey and multiplying by the share
production intended as final product.
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This analysis assumed establishments
would maintain control of this product
until results on the level of Salmonella
are available, which is expected to take
two days. FSIS assumed establishments
would move product with test results
below 10 cfu/mL(g) into commerce and
would hold for an additional three days
product with results at or above that
level. FSIS estimated that about 2.3
million pounds of comminuted turkey
would have test results at or above 10
cfu/mL, which would be held until
results on the presence of a serotype of
public health significance were
available. FSIS estimated the cost to
industry of holding all sampled
comminuted turkey pending test results
at $0.7 million annually [(156.7 million
× $0.0023 × 2) + (2.3 million × $0.0023
64733
× 3)], ranging from $0.1 to $1.5 million
(Table 27). Assuming the proposed
implementation schedule and
annualizing over 10 years at a 7 percent
discount rate, the cost for holding
comminuted turkey products pending
test results is $0.70 million, ranging
from $0.09 million to $1.45 million.
TABLE 27—COMMINUTED TURKEY: MAINTAINING CONTROL OF SAMPLED PRODUCT COSTS
Cost (million $)
Category
Low
Medium
High
High ............................................................................................................................
Medium ......................................................................................................................
Low ............................................................................................................................
0.06
0.04
0.0003
0.45
0.28
0.0017
0.96
0.57
0.0031
Total ....................................................................................................................
Annualized 1 ........................................................................................................
0.10
0.09
0.73
0.70
1.53
1.45
1 Costs are annualized at a 7 percent discount rate over 10 years.
Note: Numbers in table may not sum to totals due to rounding.
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Import Establishments Costs
FSIS conducts sampling activities at
official import inspection
establishments to verify that a foreign
country’s poultry inspection system is
equivalent to the U.S. poultry
inspection system. If this rule is
finalized, FSIS would adapt its current
Salmonella sampling program for
imported chicken carcasses, chicken
parts, comminuted chicken, and
comminuted turkey. Import
establishments would be required to
maintain control of sampled product
pending test results to verify that these
products are not adulterated. Similar to
domestic producers, FSIS assumed that
official import inspection
establishments would maintain control
of sampled imported product lots for
two days until results on the level of
Salmonella are available. Sampled
product with results below 10 CFU/
mL(g) could be moved into commerce.
If test results show Salmonella at or
above 10 CFU/mL(g), FSIS assumed
establishments would maintain control
of these product lots for an additional
one to three days, until the presence or
absence of a serotype of public health
significance is confirmed. Adulterated
product would be diverted from U.S.
commerce.
FSIS estimates the cost to import
establishments for maintaining control
of imported product subject to FSIS
verification sampling for Salmonella, as
described in this proposal, would be
minimal. Poultry imports represent a
small fraction of the U.S. domestic
poultry supply, accounting for less than
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0.5 percent in 2021.224 In that year, only
three countries exported raw chicken
and turkey products to the United
States: Canada, Chile, and Mexico.225
Canada was the sole exporter of whole
chicken carcasses, accounting for about
14 million pounds of chicken. Chile, in
224 USDA, Foreign Agricultural Service,
‘‘Production, Supply and Distribution database,’’
accessed May 11, 2023. Although U.S. import data
does not directly correspond with the final product
categories in this proposal, FSIS used available
trade data to identify Harmonized Tariff Schedule
(HTS) codes that would approximate imports of
chicken carcasses, chicken parts, comminuted
chicken, and comminuted turkey. FSIS estimates
that imports of chicken carcasses to the United
States reached 13.7 million pounds in 2021 (HTS
0207.11 and 0207.12, Whole young chickens and
Whole frozen chickens, respectively), while imports
of chicken parts and comminuted chicken were 164
million pounds (HTS 0207.13 and 0207.14, Meat
and edible offal of chickens, fresh or chilled and
frozen, respectively). FSIS assumed that imports
under HTS 0207.26 and 0207.27 (Meat and edible
offal of turkeys, fresh or chilled and frozen,
respectively) approximate imports of comminuted
turkey, although this is likely an overestimate as
this HTS code also includes turkey parts. Imports
under HTS 0207.26 and 0207.27, combined,
reached 74.3 million pounds in 2022. Imports
under these HTS codes represent 0.5 percent of U.S.
production of chicken carcasses, 0.04 percent of
U.S. production of chicken parts and comminuted
chicken, and 4 percent of imports of comminuted
turkey. U.S. International Trade Commission
DataWeb/U.S. Department of Commerce, accessed
June 28, 2023.
225 Three countries are eligible to export raw
chicken and turkey products to the United States—
Canada, Chile, and Poland,—while Mexico is
eligible to export only processed poultry products
slaughtered under Federal inspection in the United
States or in a country eligible to export slaughtered
poultry to the United States. USDA, FSIS, ‘‘Eligible
Foreign Establishments,’’ July 14, 2023, https://
www.fsis.usda.gov/inspection/import-export/
import-export-library/eligible-foreignestablishments.
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turn, was the main exporter of chicken
parts (132 million pounds).226
Currently, FSIS samples and tests
imported chicken carcasses, chicken
parts, comminuted chicken, and
comminuted turkey for the presence of
Salmonella. According to data from
PHIS, in 2021, FSIS collected and
analyzed about 850 samples of imported
chicken and turkey products, which
represented about 15.8 million pounds
of product. These samples were mainly
from chicken parts and carcasses, as
imports of comminuted chicken and
turkey are relatively low.
FSIS estimated the cost for these
import establishments assuming that
establishments would maintain control
pending test results of all sampled
product identified in 2021 data, which
is likely an overestimate. The estimated
cost for import establishments is $0.07
million per year (15.8 million pounds ×
2 days × $0.0023). While data on the
volume imported of product with
results at or above 10 cfu/mL(g) are not
available, FSIS estimates this would be
a relatively low volume of product. In
2021, about 17 percent of imported
poultry samples were positive for the
presence of Salmonella, representing
about 2.6 million pounds of product.
This is likely a high estimate as
countries would be required to
implement measures to maintain
equivalence with the U.S. poultry
inspection system if this rule is
finalized.
226 U.S. International Trade Commission
DataWeb/U.S. Department of Commerce accessed
June 28, 2023.
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Total Costs to Industry From
Maintaining Control of Sampled
Product
FSIS estimated that the total cost to
industry from complying with FSIS
verification sampling requirements in
this proposal is $14.47 million annually,
ranging from $2.11 to $29.26 million
(Table 28), assuming the proposed
implementation schedule and
annualizing over 10 years at a 7 percent
discount rate. As previously described,
establishments are required to maintain
control pending test results for product
subject to FSIS verification sampling for
adulterants. FSIS estimated that an
average of 3.2 billion pounds of product
per year would be subject to FSIS
verification sampling. FSIS allows
establishments to move product to an
alternate location pending test results
for an adulterant as long as they
maintain control of the sampled
product. Producers can also elect to
divert sampled product into a product
that is not subject to these standards
(i.e., fully cooked products), rather than
maintaining control of it pending test
results. Moreover, FSIS allows
establishments to produce smaller
representative product lots for FSIS
verification sampling if they
demonstrate that the lot presented is
microbiologically independent from
other production lots.227 Thus, the cost
for holding product pending test results
is likely an overestimate. FSIS is seeking
comments on these assumptions.
TABLE 28—SUMMARY OF COSTS TO INDUSTRY FROM MAINTAINING CONTROL OF SAMPLED PRODUCT
Number of
establishments 1
Product
Cost (million $) 2
Low
Medium
High
Chicken carcasses ...................................................................
Chicken parts ...........................................................................
Comminuted chicken ...............................................................
Subtotal for chicken products ...........................................
Comminuted turkey ..................................................................
Import establishments ..............................................................
188
490
74
752
48
12
0.41
1.40
0.13
1.94
0.09
0.07
0.75
11.88
1.07
13.71
0.69
0.07
1.09
24.93
1.72
27.74
1.45
0.07
Total ..................................................................................
..............................
2.11
14.47
29.26
1 Establishments
may produce more than one of the products subject to these final product standards.
are annualized at a 7 percent discount rate over 10 years.
Note: Numbers in table may not sum to totals due to rounding.
2 Costs
Lost Value to the Industry Costs
FSIS estimated the cost to industry
from lost value resulting from diverting
adulterated product subject to these
final product standards. FSIS assumed
that establishments would divert
product after receiving final results
showing a level of Salmonella at or
above 10 cfu/mL(g) and the presence of
a serotype of public health significance.
As previously mentioned, FSIS
laboratories would provide results on
the level of Salmonella to
establishments within two days from
sample collection and results on the
presence of a serotype of public health
significance three days after initial
results.
The 2023 risk assessments estimated
that approximately 0.2 million pounds
of chicken carcasses, 0.07 million
pounds of chicken parts, 1.6 million
pounds of comminuted chicken, and 0.6
million pounds of comminuted turkey
per year would have Salmonella levels
at or above 10 cfu/mL(g) and would
contain a serotype of public health
significance (Table 29). This represents
less than 0.1 percent of estimated
production for each of the product
categories.
TABLE 29—TOTAL PRODUCTION, VOLUME OVER 10 cfu/mL(g) AND CONTAINING A SEROTYPE OF PUBLIC HEALTH
SIGNIFICANCE, AND SHARE OF PRODUCTION BY PRODUCT
Total production
(million pounds)
Product
Chicken carcasses .....................................................................................................
Chicken parts .............................................................................................................
Comminuted chicken .................................................................................................
Comminuted turkey ....................................................................................................
Volume over 10
cfu/mL(g) and
containing a
serotype of public
health significance
(million pounds)
33,238
31,208
2,256
1,691
0.2
0.07
1.6
0.6
Share of
production
(%)
0.000005
0.000002
0.000691
0.000336
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Note: Numbers in table may not sum to totals due to rounding.
To estimate the cost to industry of this
lost value as a result of this proposal,
FSIS applied the per pound retail price
of select poultry products to the
estimated volume of lost product. FSIS
used data from 2017 to 2021 and used
a range in these prices to account for
variability and uncertainty: the lowest
227 77
retail price in the five-year period as the
minimum, the highest as the maximum,
and the five-year average as the medium
estimate. For chicken carcasses, FSIS
used the retail price for whole fresh
chicken while for chicken parts the
Agency used the retail price for chicken
breasts (Table 30). Because data for the
five-year period for comminuted or
ground chicken were not readily
available, FSIS used the retail price for
chicken legs as a proxy. For
comminuted turkey, FSIS used data for
whole frozen turkeys as data for the
five-year period for comminuted or
ground turkey were not available.
FR 73402.
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TABLE 30—RETAIL PRICES FOR SELECT COMMODITIES
Price per pound ($)
Product
Price source
Low
Chicken carcasses .................................
Chicken parts .........................................
Comminuted chicken .............................
Comminuted turkey ................................
Whole fresh chicken a ...........................
Chicken breasts b ..................................
Chicken legs c ........................................
Whole frozen turkey d ............................
Medium
1.36
2.90
1.32
0.80
High
1.51
3.19
1.50
0.99
1.75
3.72
1.73
1.23
a U.S. Bureau of Labor Statistics (BLS), Chicken, fresh, whole, per lb. (453.6 gm) in U.S. city average, average price, not seasonally adjusted
[APU0000706111], , accessed July 6, 2023, https://data.bls.gov/timeseries/APU0000706111?amp%253bdata_tool=XGtable&output_
view=data&include_graphs=true.
b BLS, Chicken breast, boneless, per lb. (453.6 gm) [APU0000FF1101], accessed July 6, 2023; https://data.bls.gov/timeseries/
APU0000FF1101?amp%253bdata_tool=XGtable&output_view=data&include_graphs=true.
c BLS, Chicken legs, bone-in, per lb. (453.6 gm) in U.S. city average, average price, not seasonally adjusted [APU0000706212], accessed July
6, 2023, https://data.bls.gov/timeseries/APU0000706212?amp%253bdata_tool=XGtable&output_view=data&include_graphs=true.
d USDA, Economic Research Service, Turkey Sector: Background & Statistics: Price Statistics, April 18, 2023, https://www.ers.usda.gov/newsroom/trending-topics/turkey-sector-background-statistics.
Previous FSIS analyses assumed that
diverted product would lose 66 percent
of its value.228 As product under these
final product standards are raw
materials that can be diverted to a
variety of fully cooked preparations, the
Agency used a range to estimate the cost
of lost value to the industry.
Specifically, FSIS used 34, 50, and 66
percent as the low, medium, and high
estimates. FSIS estimated that the cost
to industry from diverting product is
$1.7 million annually, with a range of
$1.0 to $2.6 million (Table 31).
Assuming the proposed implementation
schedule and annualizing over 10 years
at a 7 percent discount rate, the cost for
lost value of products subject to this
proposal is $1.5 million, ranging from
$0.9 million to $2.4 million.
TABLE 31—LOST VALUE TO THE INDUSTRY COSTS, MILLION $
Product
Low
Medium
High
Chicken carcasses .....................................................................................................
Chicken parts .............................................................................................................
Comminuted chicken .................................................................................................
Comminuted turkey ....................................................................................................
0.1
0.1
0.7
0.2
0.1
0.1
1.2
0.3
0.2
0.2
1.8
0.5
Total ....................................................................................................................
Annualized 1 ........................................................................................................
1.0
0.9
1.7
1.5
2.6
2.4
1 Costs are annualized at a 7 percent discount rate over 10 years.
Note: Numbers in table may not sum to totals due to rounding.
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Microbiological Sampling Plan
Reassessment Costs
Establishments subject to these
proposed final product standards may
incur costs associated with reassessing
their sampling plans. Current
performance standards focus on the
presence or absence of Salmonella in
certain poultry products. However, the
proposed standards would make
product adulterated if it contains
Salmonella at or above 10 cfu/mL(g) and
has at least one of the serotypes of
public health significance. To estimate a
cost associated with this requirement,
FSIS assumed a portion of
establishments would reassess their
microbiological sampling plans.
Consistent with the estimates in the
228 USDA, FSIS, ‘‘Cost-Benefit Analysis for FSIS’s
Implementation of Its Non-O157 STEC Testing on
Beef Manufacturing Trimmings and Expansion of
Its Testing to Ground Beef and Ground Beef
Components Other Than Beef Manufacturing
Trimmings,’’ June 2020, https://www.fsis.usda.gov/
sites/default/files/media_file/2020-07/FSIS-Non0157-STEC-Testing-CBA-June-2020.pdf; USDA,
FSIS, ‘‘Salmonella in Certain Not-Ready-To-Eat
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previous cost-benefit analysis for the
2016 performance standards, FSIS
estimated the cost of reassessing a
sampling plan for 30, 40, and 50 percent
of the establishments subject to this
proposal.229 FSIS included all volume
categories in these estimates. However,
as previously noted in the cost-benefit
analysis for the 2016 performance
standards, FSIS does not expect low and
VLV establishments to have an internal
sampling plan.230 FSIS assumed that
these establishments would opt to not
incur the expense of developing a
sampling plan as sampling does not
directly contribute to pathogen
reduction. The Agency is seeking
comments on this assumption.
FSIS estimated that the total cost to
industry from reassessing their sampling
plans is $0.3 million, ranging from $0.1
to $0.6 million (Table 32). Assuming the
proposed implementation schedule and
annualizing over 10 years at a 7 percent
discount rate, the cost for
microbiological sampling plan
reassessment is $0.04 million, ranging
from $0.02 million to $0.08 million.
High- and medium-volume
establishments need an average of 40
hours (ranging from 20 to 60), while
low- and very low-volume
establishments need an average of 20
hours (ranging from 10 to 30) to reassess
a sampling plan, according to the 2017
Costs of Food Safety Investments in the
Meat and Poultry Slaughter
Breaded Stuffed Chicken Products,’’ Preliminary
Cost-Benefit Analysis, April 2023, https://
www.fsis.usda.gov/sites/default/files/media_file/
documents/NRTE_Stuffed_Chicken_CBA_FSIS2022-0013.pdf.
229 USDA, FSIS, Chicken Parts and Not Ready-ToEat Comminuted Poultry Performance Standards,
Final Cost-Benefit Analysis, February 11, 2016,
https://www.fsis.usda.gov/sites/default/files/media_
file/documents/FRN-related-CBA-SalmonellaCampy-2014-0023-022016.pdf.
230 USDA, FSIS, Chicken Parts and Not Ready-ToEat Comminuted Poultry Performance Standards,
Final Cost-Benefit Analysis, February 11, 2016,
https://www.fsis.usda.gov/sites/default/files/media_
file/documents/FRN-related-CBA-SalmonellaCampy-2014-0023-022016.pdf.
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Federal Register / Vol. 89, No. 152 / Wednesday, August 7, 2024 / Proposed Rules
Industries.231 This publication
estimated costs for large and small
establishments. FSIS assumed the large
category would correspond with highand medium-volume establishments,
while the small category would
correspond with low- and very lowvolume establishments. FSIS used data
from the U.S. Bureau of Labor Statistics
to update the hourly wage for estimating
these labor costs. Specifically, FSIS
used the 2021 hourly wage for a
production worker of $30.78, which
includes an average hourly wage of
$15.39 multiplied by a benefits and
overhead factor of two.
TABLE 32—MICROBIOLOGICAL SAMPLING PLAN REASSESSMENT COSTS
Cost (thousand $)
Number of
establishments
Establishment volume category
Low
Medium
High
High ..........................................................................................
Medium ....................................................................................
Low ..........................................................................................
Very Low ..................................................................................
302
276
190
91
0.06
0.05
0.02
0.003
0.15
0.14
0.05
0.007
0.28
0.25
0.08
0.014
Total ..................................................................................
Annualized 1 ......................................................................
..............................
..............................
0.13
0.02
0.34
0.04
0.63
0.08
1 Costs are annualized at a 7 percent discount rate over 10 years.
Note: Numbers in table may not sum to totals due to rounding.
Validation of Microbiological Sampling
Plans
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If an establishment makes changes to
their microbiological sampling plans in
response to this proposal, they would
incur costs associated with validating
these changes. The 2015 ‘‘Costs of Food
Safety Interventions’’ report indicates
that high- and medium-volume
establishments would need an average
of 960 labor hours for validation of a
microbiological sampling plan and
1,200 labor hours for low- and very lowvolume establishments. On a per plan
basis, the cost for validation of a
microbiological sampling plan for a
high- or medium-volume establishment
is $77,683, on average, while for low- or
very low-volume establishments, the
average cost is $97,104. FSIS used the
2021 hourly wage for a food scientist of
$80.92, which includes an average
hourly wage of $40.46 multiplied by a
benefits and overhead factor of 2.232
FSIS did not include an estimate of total
industry validation costs for
microbiological sampling plans because
FSIS does not have data on the number
of establishments that would make
changes to their plans in response to
this proposal. FSIS is requesting
comments to address this data gap.
231 Viator CL, Muth MK, Brophy JE, Noyes G.
Costs of Food Safety Investments in the Meat and
Poultry Slaughter Industries. J Food Sci. 2017
Feb;82(2):260–269. doi: 10.1111/1750–3841.13597.
Epub 2017 Jan 24. PMID: 28117890. FSIS derived
the labor hours from the total costs presented on
table 5 and the wage rate for production
occupations on table 2. BLS, May 2021 National
Industry-Specific Occupational Employment and
Wage Estimates for 19–1012 Food Scientists and
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FSIS estimated the main cost to
industry to comply with this proposal is
$16.4 million annually, with a range of
$3.3 to $32.3 million (Table 33),
assuming the proposed implementation
schedule and annualizing over 10 years
at a 7 percent discount rate. The
principal component of this cost is the
requirement that establishments must
maintain control of product subject to
FSIS verification sampling for
adulterants pending test results. The
cost estimate associated with this
requirement is likely an overestimate as
it is possible that establishments’
current practices and procedures would
allow them to maintain control of a
lower volume of product. Additionally,
all timeframes and methods for
Salmonella testing are likely to change
as FSIS continuously incorporates new
laboratory technologies into its
sampling verification program. FSIS is
seeking comment on these estimates.
FSIS estimated that the total costs to
establishments from reassessing HACCP
and microbiological sampling plans,
combined, is $0.22 million ($0.18 +
$0.04 million). The estimated cost
associated with the proposed statistical
process control requirements is $0.04
million, which is likely an overestimate
as certain establishments would be able
to mitigate the cost by using laboratory
services provided by FSIS, as previously
described. To varying degrees, industry
may also incur other costs associated
with their individual responses to this
proposal. The Agency estimated that
this total cost represents less than 1
percent of the total industry’s revenue
in 2021. In 2021, the estimated total
sales value for broilers and turkeys, on
a live basis, was $37.4 billion, with a
five-year average between 2017 and
2021 of $33.5 billion.233 This value
increased to $57.5 billion in 2022. For
the poultry processing industry, the
Technologists, accessed April 13, 2023, https://
www.bls.gov/oes/current/oes191012.htm.
232 Viator CL, Muth MK, Brophy JE, Noyes G.
Costs of Food Safety Investments in the Meat and
Poultry Slaughter Industries. J Food Sci. 2017
Feb;82(2):260–269. doi: 10.1111/1750–3841.13597.
Epub 2017 Jan 24. PMID: 28117890. FSIS derived
the labor hours from the total costs presented on
table 5 and the wage rate for production
occupations on table 2. BLS, May 2021 National
Industry-Specific Occupational Employment and
Wage Estimates for 19–1012 Food Scientists and
Technologists, accessed April 13, 2023, https://
www.bls.gov/oes/current/oes191012.htm.
233 USDA, ERS, ‘‘Poultry Sector at a Glance’’ June
1, 2023, https://www.ers.usda.gov/topics/animalproducts/poultry-eggs/sector-at-a-glance/; USDA,
National Agricultural Statistics Service, ‘‘Poultry—
Production and Value: 2022 Summary,’’ April 2023,
https://downloads.usda.library.cornell.edu/usdaesmis/files/m039k491c/wm119387d/5138kw352/
plva0423.pdf.
Corrective Actions
FSIS would require establishments
that do not meet the final product
standards to take corrective actions.
These corrective actions would be
aimed at removing adulterated product
from market and making changes to
prevent production of adulterated
product in the future. Interventions
available to the poultry industry include
antimicrobial agents, new equipment,
and employee practices. FSIS does not
have information on the types or
frequency of corrective actions
establishments may take in response to
not meeting the final products
standards, and the Agency is seeking
comments on the potential costs
associated with these.
Summary of Costs to Industry From
This Proposed Rule and Proposed
Determination
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64737
total 2021 revenue was $77 billion,
according to U.S. Census data.234
TABLE 33—SUMMARY OF INDUSTRY COSTS
Cost (million $)
Cost descriptions
Low
Medium
High
Costs associated with the proposed rule:
Statistical process control .....................................................................................................
Electronic data submission ...................................................................................................
HACCP plan reassessment ..................................................................................................
Costs associated with the proposed determination:
Maintaining control of sampled product ...............................................................................
Lost value to the industry .....................................................................................................
Microbiological sampling plan reassessment .......................................................................
0.04
0.18
0.09
0.04
0.18
0.18
0.04
0.18
0.26
2.11
0.87
0.02
14.47
1.52
0.04
29.26
2.43
0.08
Total 1 ............................................................................................................................
3.31
16.43
32.25
1 Costs are annualized at a 7 percent discount rate over 10 years.
Note: Numbers in table may not sum to totals due to rounding.
FSIS estimates industry would incur
annual costs in response to this rule.
Table 34 includes the expected
undiscounted annual costs of this
proposal assuming the implementation
schedule over a 10-year period.
TABLE 34—SUMMARY OF ANNUAL COSTS OVER 10 YEARS
Year
Low
1 .................................................................................................................................
2 .................................................................................................................................
3 .................................................................................................................................
4 .................................................................................................................................
5 .................................................................................................................................
6 .................................................................................................................................
7 .................................................................................................................................
8 .................................................................................................................................
9 .................................................................................................................................
10 ...............................................................................................................................
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Costs to FSIS
FSIS does not anticipate the proposal,
including using laboratory services
provided by FSIS for analyzing process
control samples for VS and VLV
establishments under Traditional
Inspection, as well as conducting
verification sampling for the final
product standards, will increase Agency
costs. The Agency would adapt its
current sampling for Salmonella on
poultry products to conduct verification
sampling for the new final product
standards and would be able to shift
existing resources as necessary to
implement this proposal if finalized.
FSIS currently enumerates samples
collected as part of FSIS verification
sampling for Salmonella. Consequently,
if this proposal is finalized, the only
234 Sales, value of shipments, or revenue for the
Poultry processing industry, as defined in the North
American Industry Classification System code
311615. U.S. Census Bureau, Annual Survey of
Manufacturers: Summary Statistics for Industry
Groups and Industries in the U.S.: 2018–2021
(NAICS 311615), accessed on April 11, 2023.
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2,342,792
3,330,215
3,250,382
3,099,498
3,099,498
3,099,498
3,099,498
3,099,498
3,099,498
3,099,498
additional cost to FSIS would be to
incorporate serotype testing on
Salmonella positive samples. The
Agency estimates analyzing these tests
would require 520 labor hours, or $0.03
million, per year to analyze results, with
additional hours, including data
management, procurement, result
review and authorization, as needed.235
Costs related to follow-up sampling
and conducting FSAs are not expected
to increase. The Agency would conduct
follow up sampling and a PHRE for any
establishments that does not meet the
final product standards. FSIS would use
the results of the PHRE to determine the
need for an FSA. FSIS currently
conducts follow up sampling and
PHREs on establishments that do not
meet the current Salmonella
performance standards. For instance, in
235 FSIS used the 2024 base salary of a GS–12 step
1 full time employee of $35.67 per hour and
included the Civilian Position Full Fringe Benefit
Cost Factor of 36.25 percent. Executive Office of
The President, Office of Management and Budget,
Circular No. A–76 (Revised), May 29, 2003, https://
www.whitehouse.gov/wp-content/uploads/legacy_
drupal_files/omb/circulars/A76/a76_incl_tech_
correction.pdf.
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Medium
13,490,291
16,984,639
16,788,952
16,471,425
16,469,009
16,466,751
16,464,641
16,462,668
16,460,825
16,459,102
High
27,612,367
33,483,179
33,160,044
32,667,872
32,667,872
32,667,872
32,667,872
32,667,872
32,667,872
32,667,872
2022, FSIS conducted 30 FSAs at
category three establishments. The
Agency estimated that the average cost
to conduct a for-cause FSA in 2016 was
about $4,800, which, inflated to 2021
dollars, is about $5,400 per FSA.236
Potential Benefits and Avoided Costs
From the Proposed Rule and Proposed
Determination
Prevented Salmonella Illnesses
FSIS is proposing to declare
Salmonella at or above 10 cfu/mL(g) and
containing a serotype of public health
significance an adulterant on chicken
carcasses, chicken parts, comminuted
chicken, and comminuted turkey as
final products that would enter
commerce. The 2023 risk assessments
provide a range of data on the public
health impacts achieved by reducing
236 Based on the FSIS Office of the Chief
Financial Officer (OCFO) preliminary analysis of
the average cost per FSA under the new FSA
methodology, FY 2016. The costs were inflated, by
using the 2021 BLS Consumer Price Index (CPI) All
items in U.S. city average, all urban consumers, not
seasonally adjusted (CUUR0000SA0,
CUUS0000SA0 Not Seasonally Adjusted).
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final product contaminated with
Salmonella, as well as the higher risk
per serving associated with product that
would be declared adulterated by the
proposal. FSIS used this range of data to
estimate the potential public health
benefits of this proposal. FSIS also used
findings from the FSIS risk profile to
create these estimates, including
information regarding the higher
virulence of certain Salmonella
serotypes, as well as the potential
debilitating human health outcomes
from Salmonella infection (e.g., reactive
arthritis), which are not included in the
cost of illness estimates.
The 2023 risk assessments estimated
the number of illnesses that could be
prevented if product lots with results at
or above 10 cfu/mL(g) of Salmonella are
diverted from commerce as part of FSIS
verification sampling programs. For
chicken carcasses, the 2023 chicken risk
assessment estimated that 1,000
illnesses could be prevented, while for
chicken parts and comminuted chicken
it estimated 200 and 1,000 illnesses,
respectively. The 2023 chicken risk
assessment assessed the effect of a
carcass final product standard on all
chicken associated illnesses, including
those from parts and comminuted
product consumption, but could not
assess the effect of carcasses and
secondary products standards
sequentially. As such, the 2023 chicken
risk assessment estimates for chicken
products are not additive.237 For
comminuted turkey, the 2023 turkey
risk assessment estimated that 2,100
illnesses could be prevented.238 This
analysis presents three illustrative
scenarios based on these results.
FSIS estimated that if this proposal
becomes final, the number of illnesses
prevented may range from 765 to 4,300
cases per year (Table 34).239 These
estimates are based on the best data
currently available.
For the low estimate, the Agency used
sampling data and results from the 2023
risk assessments to estimate the number
of prevented illnesses from the final
237 USDA, FSIS, ‘‘Quantitative Microbiological
Risk Assessment for Salmonella in Raw Chicken
and Raw Chicken Products,’’ January 2023 at:
https://www.regulations.gov/docket/FSIS-20230028.
238 USDA, FSIS, ‘‘Quantitative Microbiological
Risk Assessment for Salmonella in Raw Turkey and
Raw Turkey Products,’’ January 2023 at: https://
www.regulations.gov/docket/FSIS-2023-0028.
239 FSIS used these estimates for calculating the
monetary benefits associated with this proposal
given the higher risk per serving and probability of
illness associated with serotypes of public health
significance. Thus, while the amount of product
with results at or above 10 cfu/mL(g) that is
diverted is higher, the number of prevented
illnesses is potentially a representative scenario of
the total benefits associated with this rule.
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products standards. FSIS sampling data
show that the serotypes of public health
significance identified in this proposal
are present in 24 percent of the chicken
carcass samples and 25 percent of the
comminuted turkey samples.240 The
Agency applied the share of samples
with at least one serotype of public
health significance to the estimated
number of prevented illnesses from
diverting chicken carcasses and
comminuted turkey with results at or
above 10 cfu/mL(g). Thus, for the low
estimate in this analysis, the Agency
estimated that the final product
standards would prevent a total of 765
Salmonella illnesses, 240 from chicken
carcasses and 525 from comminuted
turkey. Research indicates that chicken
carcass samples often contain multiple
Salmonella serotypes.241 For example, it
is likely that a sample from a chicken
carcass could test positive for
Salmonella Kentucky and also contain
Salmonella Enteritidis, which is a
serotype of public health significance,
but Salmonella Enteritidis was not
captured by FSIS testing on that sample.
At present there is no rapid way to
screen for multiple Salmonella
serotypes at one time. Moreover, the
2023 chicken risk assessment estimated
that diverting from commerce chicken
carcasses containing serotypes in the
higher virulence cluster would result in
1,800 prevented illnesses, which is
higher than the estimated number of
illnesses prevented from diverting
carcasses with Salmonella at or above
10 cfu/mL (1,000 illnesses).242
Additionally, FSIS data show that
serotypes of public health significance
have been detected at higher rates in
chicken parts and comminuted chicken
240 FSIS used only the prevented illness estimates
for chicken carcasses as the 2023 chicken risk
assessment could not assess the effect of carcasses
and secondary products standards sequentially.
USDA, FSIS, ‘‘Quantitative Microbiological Risk
Assessment for Salmonella in Raw Chicken and
Raw Chicken Products,’’ January 2023 at: https://
www.regulations.gov/docket/FSIS-2023-0028.
241 USDA, FSIS, ‘‘Quantitative Microbiological
Risk Assessment for Salmonella in Raw Chicken
and Raw Chicken Products,’’ January 2023 at:
https://www.regulations.gov/docket/FSIS-20230028; Obe, T., Siceloff, A.T., Crowe, M.G., Scott,
H.M., & Shariat, N.W. (2023). Combined
Quantification and Deep Serotyping for Salmonella
Risk Profiling in Broiler Flocks. Applied and
Environmental Microbiology, 899(4), e02035–02022.
https://doi.org/10.1128/aem.02035-22; Thompson,
C.P., Doak, A.N., Amirani, N., Schroeder, E.A.,
Wright, J., Kariyawasam, S., Lamendella, R., &
Shariat, N.W. (2018). High-Resolution Identification
of Multiple Salmonella Serovars in a Single Sample
by Using CRISPR-SeroSeq. Applied and
Environmental Microbiology, 84(21), e01859–18.
242 These estimates are not available for chicken
parts, comminuted chicken, or comminuted turkey
products.
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products.243 Further, the serotypes of
public health significance have been
identified in over 50 percent of the
outbreaks associated with chicken
products between 2012 and 2021. FSIS
is seeking comments on these
assumptions and estimates. While the
estimates in the 2023 risk assessments
refer to Salmonella levels and serotypes
separately, the data indicate that the
number of illnesses prevented by the
final product standards in this proposal
is higher than the low estimate included
in this analysis.
For the medium estimate, FSIS used
the 2023 risk assessments results of
illnesses prevented from diverting
chicken carcasses (1,000 illnesses) and
comminuted turkey (2,100 illnesses)
with Salmonella levels at or above 10
cfu/mL(g). This estimate accounts for
some of the uncertainty around
potential health benefits from this
proposal. The Agency used this because
as discussed above, products with
Salmonella at or above 10 cfu/mL(g)
have a higher risk per serving than other
products and would be more likely to
cause illness. Specifically, the 2023
chicken risk assessment noted that the
probability of illness for a serving that
tests at or above 10 cfu/mL(g) and has
a serotype of public health significance
is 2,000-fold higher than the average
across all servings for carcass lots,
1,100-fold higher than the average
serving for chicken parts, and 590-fold
higher than the average serving for
comminuted chicken products. In
contrast, the probability of illness per
serving for lots with Salmonella at 0.03
cfu/mL(g), which is the current
screening limit of detection for carcasses
and parts is at least 14-fold higher than
for average lots. The probability of
illness per serving for comminuted
chicken lots with Salmonella at 0.03
cfu/mL(g), which is the current
screening limit of detection, is at least
160-fold higher than for average lots.
Research shows that it is likely that the
share of product samples with serotypes
of public health significance is higher
than current estimates indicate, and this
share varies between product subject to
this proposal (24 percent for chicken
243 The serotypes of public health significance
have been identified in FSIS sampling programs for
poultry products at varying rates between 2016 and
2021: 24 percent of chicken carcass samples, 33
percent of chicken parts samples, 29 percent of
comminuted chicken samples, and 25 percent of
comminuted turkey samples. USDA, FSIS,
‘‘Quantitative Microbiological Risk Assessment for
Salmonella in Raw Chicken and Raw Chicken
Products,’’ January 2023 at: https://
www.regulations.gov/docket/FSIS-2023-0028;
USDA, FSIS, ‘‘Quantitative Microbiological Risk
Assessment for Salmonella in Raw Turkey and Raw
Turkey Products,’’ January 2023 at: https://
www.regulations.gov/docket/FSIS-2023-0028.
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carcasses, 33 percent for chicken parts,
29 percent for comminuted chicken, and
25 percent for comminuted turkey).
Furthermore, industry may react to this
proposal in a variety of ways. For
example, while the assumptions in the
cost estimates reflect the requirement of
maintaining control of product until
adulteration results are available, some
establishments may opt to divert
chicken carcasses, chicken parts,
comminuted chicken, and comminuted
turkey products with test results at or
above 10 cfu/mL(g) instead of waiting
until results on the adulteration status
of the product is available. For these
reasons, FSIS estimates that the number
of prevented illnesses from diverting
chicken carcasses at or above 10 cfu/mL
better approximates a portion of the
illnesses not included in the low
estimate as the Agency estimates that
diverting these products from commerce
would lead to a greater reduction in
illnesses. Additionally, this proposal
clarifies process control requirements,
and encourages establishments to adopt
pre-harvest measures, which may have
compounding effects on reducing crosscontamination and may prevent a higher
number of illnesses each year.
For the high estimate, FSIS used the
combined estimated number of
prevented illnesses from diverting
chicken carcasses (1,000 illnesses),
chicken parts (200 illnesses),
comminuted chicken (1,000 illnesses),
and comminuted turkey (2,100
illnesses) product from the 2023 risk
assessments. As noted above, the
prevented illness estimates in the 2023
risk assessments reflect a standard at the
10 cfu/mL(g) level for these products.
While these estimates do not reflect the
final products standards in this
proposal, FSIS is including these as a
high estimate for the reasons outlined
above. For the low and medium
64739
estimates, FSIS used only the prevented
illness estimates for chicken carcasses
as the 2023 chicken risk assessment
could not assess the effect of carcasses
and secondary products (parts and
comminuted chicken) standards
sequentially, as mentioned above. In
contrast, for the high estimate, FSIS
used the sum of all three estimates
(chicken carcasses, chicken parts, and
comminuted chicken) to illustrate a
potential number of illnesses prevented
from implementing this proposed
policy, including the potential
compounding benefits across product
types and the upper limit of direct and
indirect (i.e., benefits from actions
industry voluntarily takes in response to
this proposal) health benefits. The
Agency used the same estimate for
comminuted turkey for the medium and
high estimates. FSIS is seeking
comments on these estimates.
TABLE 34—ESTIMATED NUMBER OF ILLNESSES PREVENTED BY PRODUCT
Prevented illnesses
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Product
Low
Medium
High
Chicken products: ......................................................................................................
Chicken carcasses .............................................................................................
Chicken parts ......................................................................................................
Comminuted chicken ..........................................................................................
Comminuted turkey ....................................................................................................
240
240
..............................
..............................
525
1,000
1,000
..............................
..............................
2,100
2,200
1,000
200
1,000
2,100
Total ....................................................................................................................
765
3,100
4,300
Public health benefits, including in
the form of prevented illnesses, are
difficult to monetize as a market for
these does not exist. Typically,
economic analyses use alternative
methods for these non-market measures
that approximate the value of these
benefits. To monetize the estimated
direct public health impact of this
proposal, and consistent with other
Agency regulatory impact analyses,244
FSIS applied the estimated cost of a
Salmonella illness to the estimated
number of prevented illnesses. FSIS
used the ‘‘Cost Estimates of Foodborne
Illnesses’’ developed by the U.S.
Department of Agriculture, Economic
Research Service to do so.245 These
estimates incorporate associated
expenditures on medical care, lost
wages due to productivity loss, and
estimates of willingness to pay (WTP) to
reduce mortality.246 This WTP measure
is estimated in the form of the value of
a statistical life. The average per case
cost for Salmonella in 2021 dollars was
$4,351, with a lower bound estimate of
$387 and a higher bound estimate of
$6,873. The variability in the cost
estimate is driven by variations in the
number of fatalities, which are zero at
the low estimate and 378 at the high
estimate.
FSIS estimated the total benefits from
prevented illness for this proposal at
$13.49 million ([1,000 prevented
illnesses from chicken products + 2,100
prevented illnesses from comminuted
turkey products] × $4,351), with a range
from $0.3 million to $29.55 million
(Table 35). Assuming the proposed
implementation schedule and
annualizing over 10 years at a 7 percent
discount rate, the benefits associated
with the estimated prevented illnesses
are $12.92 million, ranging from $0.28
million to $28.66 million.
244 USDA, FSIS, ‘‘Salmonella in Certain NotReady-To-Eat Breaded Stuffed Chicken Products,’’
Preliminary Cost-Benefit Analysis, April 2023,
https://www.fsis.usda.gov/sites/default/files/media_
file/documents/NRTE_Stuffed_Chicken_CBA_FSIS2022-0013.pdf. USDA, FSIS, ‘‘Proposed
Performance Standards for Salmonella in Raw
Comminuted Pork and Intact or Non-Intact Pork
Cuts,’’ Preliminary Cost-Benefit Analysis, February
16, 2022, https://www.fsis.usda.gov/sites/default/
files/media_file/2022-02/Pork-SalmonellaPerformance-Standards-Cost-Benefit-Analysis.pdf;
USDA, FSIS, Chicken Parts and Not Ready-To-Eat
Comminuted Poultry Performance Standards, Final
Cost-Benefit Analysis, February 11, 2016, https://
www.fsis.usda.gov/sites/default/files/media_file/
documents/FRN-related-CBA-Salmonella-Campy2014-0023-022016.pdf.
245 USDA, ERS, ‘‘Cost Estimates of Foodborne
Illnesses,’’ Cost of foodborne illness estimates for
Salmonella (non-typhoidal) dataset, January 29,
2021 https://www.ers.usda.gov/data-products/costestimates-of-foodborne-illnesses.aspx.
246 This is incorporated through value of a
statistical life estimates that are applied to mortality
associated with each pathogen for which estimates
were developed.
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TABLE 35—ESTIMATED BENEFITS FROM PREVENTED ILLNESSES FOR EACH PRODUCT GROUP
Benefits (million $)
Product group
Low
Medium
High
Chicken products .......................................................................................................
Comminuted turkey ....................................................................................................
0.09
0.20
4.35
9.14
15.12
14.43
Total ....................................................................................................................
Annualized 1 ........................................................................................................
0.30
0.28
13.49
12.92
29.55
28.66
1 Costs are annualized at a 7 percent discount rate over 10 years.
Note: Numbers in table may not sum to totals due to rounding.
The cost estimate of foodborne illness
for Salmonella cases is likely an
underestimate of the total economic
burden of foodborne illness.
Specifically, cost of illness estimates
account for major costs of medical
treatment, time lost to illness, and
individuals’ WTP to reduce risk of death
but these do not include other
components of individual’s WTP (to
reduce illness, pain and suffering or
costs associated with potential severe,
debilitating human health outcomes).247
According to the FSIS Risk Profile,
Salmonella subtypes of concern can
cause severe human health outcomes,
including acute gastroenteritis,
bacteremia (bacteria in the blood), and
focal infections. Salmonella infections
can also lead to debilitating human
health outcomes in a subset of patients,
which includes reactive arthritis,
cancer, inflammatory bowel disease,
and irritable bowel syndrome, which are
not included in these estimates. The
FSIS Risk Profile notes that 5.8 percent
of Salmonella cases develop reactive
arthritis, and about 66 percent had
persistent symptoms five years after
becoming infected with Salmonella.
Additionally, about 3.3 percent of cases
developed irritable bowel syndrome.
Salmonella infection can also increase
the risk of colon cancer.248
Salmonella infections can result in a
variety of outcomes and for some
serotypes a small number of bacteria can
cause illness.249 The 2023 risk
assessments estimated a higher
proportion of deaths among the
serotypes identified as higher virulence,
including some identified by FSIS as
part of this proposal. For all Salmonella,
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247 Hoffmann,
Sandra, Bryan Maculloch, and
Michael Batz. Economic Burden of Major
Foodborne Illnesses Acquired in the United States,
EIB–140, U.S. Department of Agriculture, Economic
Research Service, May 2015, p.3–5.
248 USDA, FSIS, ‘‘Risk Profile for Pathogenic
Salmonella Subtypes in Poultry,’’ February 28, 2023
at: https://www.regulations.gov/docket/FSIS-20230028.
249 USDA, FSIS, ‘‘Risk Profile for Pathogenic
Salmonella Subtypes in Poultry,’’ February 28, 2023
at: https://www.regulations.gov/docket/FSIS-20230028.
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the domestic foodborne hospitalization
rate is about 2 percent, and the fatality
rate is about 0.04 percent. In contrast,
the FSIS risk profile noted that, for a
subset of Salmonella serotypes, the
hospitalization rate was 22.8 percent,
and the fatality rate was 0.5 percent.250
Salmonella illnesses disproportionately
impact children under five years old
and adults over 65, who experience
higher rates of illnesses and death.251
The FSIS risk profile notes that children
under 1 year of age are particularly
susceptible to invasive disease and
infants have a higher likelihood of
bacteremia resulting from Salmonella
illness compared with adults.
Costs Avoided From Prevented
Outbreak-Related Recalls
FSIS estimates that this proposal
would result in prevented outbreakrelated recalls. Specifically, by diverting
adulterated products entering
commerce, should this rule become
final, official establishments would
likely have a reduction in the risk of
recalls due to Salmonella illness
outbreaks. FSIS assumed that, if
finalized, this proposal would prevent
one to three recalls over a 10-year
period, as described below.
Recalls are companies’ actions to
remove product that may be adulterated
or misbranded from commerce.252
Companies recall products due to a
variety of reasons, including due to
illness outbreaks. For instance, between
2012 and 2021 there were 7 recalls due
to Salmonella outbreaks linked to
various poultry products.253 In that
250 USDA, FSIS, ‘‘Risk Profile for Pathogenic
Salmonella Subtypes in Poultry,’’ February 28, 2023
at: https://www.regulations.gov/docket/FSIS-20230028.
251 CDC, FoodNet Fast, Pathogen Surveillance,
October 8, 2022, https://wwwn.cdc.gov/
foodnetfast/.
252 USDA, FSIS, ‘‘Managing Adulterated or
Misbranded Meat, Poultry, and Egg Products—
Revision 8,’’ December 19, 2023, https://
www.fsis.usda.gov/policy/fsis-directives/8080.1.
253 This excludes recalls associated with raw
stuffed and breaded chicken products. USDA, FSIS,
‘‘Recalls and Public Health Alerts,’’ accessed July
10, 2023, https://www.fsis.usda.gov/recalls.
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same period, there were 100 outbreaks
linked to Salmonella in poultry
products.254 While not all outbreaks
lead to product recalls, poultry
establishments face the risk of recalling
product that may result in human
illnesses. As previously mentioned,
product that would be adulterated
under this proposal (i.e., with
Salmonella levels at or above 10 cfu/
mL(g) and containing a serotype of
public health significance) have a higher
risk per serving and hence a higher
probability of resulting in illnesses.
Poultry establishments have economic
incentives to prevent recalls, which are
costly to industry and have spillover
effects beyond the product lot that is
subject to it. Recalls have a direct cost
for establishments in the form of lost
profits, product retrieval and disposal
costs, business interruptions, and
customer reimbursement, among others.
Additional indirect costs are also part of
the economic impact of a food recall,
including external costs to distributors,
wholesalers, and retailers, among
others, which have been estimated to be
51, 6, and 5 percent of the total cost of
a recall for manufacturers, wholesalers,
and retailers, respectively.255 These
include lost sales as consumers
purchase alternative brands or products,
potential litigation and liability risk,
and brand damage affecting nonrecalled product of the same brand. The
exact cost of a recall varies depending
on factors such as company size,
product volume, and geographic
distribution of the recalled product,
among others. For publicly traded
companies, recalls could reduce the
254 USDA, FSIS, ‘‘Risk Profile for Pathogenic
Salmonella Subtypes in Poultry,’’ February 28, 2023
at: https://www.regulations.gov/docket/FSIS-20230028.
255 U.S. Department of Health and Human
Services, Food and Drug Administration (FDA),
‘‘Requirement for Additional Traceability Records
for Certain Foods Final Regulatory Impact
Analysis’’ November 21, 2022, https://www.fda.gov/
media/163155/download?attachment; FDA,
‘‘Requirements for Tobacco Product Manufacturing
Practice (Proposed Rule) Preliminary Regulatory
Impact Analysis,’’ March 10, 2023, https://
www.fda.gov/media/166055/download?attachment.
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64741
stock market prices of the implicated
companies and could lead them to
bankruptcy and business closure.
Recalls also negatively impact
consumers by creating anxiety and timeconsuming inconveniences, which
includes looking for recall information,
checking the products purchased, and
returning or disposing of products
identified by the recalls.
Individual establishments may not
currently effectively control for
Salmonella to further reduce their risk
due to the perceived low risk of a recall.
For instance, the 7 recalls between 2014
and 2021 were linked to different
establishments. Further, an individual
establishment may experience pressure
to underinvest in food safety measures
given uncertainty over how much other
establishments may invest in food safety
measures and a need to maintain cost
competitiveness. Since consumers are
unable to distinguish between products
in the marketplace that have higher
probabilities of resulting in Salmonella
illness and those with lower
probabilities, both types of products are
sold at the same price point. Under such
market conditions, establishments are
disincentivized from investing in food
safety measures and controlling for
Salmonella. This results in an increased
risk of Salmonella illnesses, and, in
consequence, an increased risk of
outbreaks and outbreak-related recalls
for establishments.
If this proposal is finalized,
establishments producing chicken
carcasses, chicken parts, comminuted
chicken, and comminuted turkey
products would have the same
incentives for controlling for
Salmonella. Consequently,
establishments producing these
products would have a lower risk of
recalls due to Salmonella illnesses and
outbreaks. Establishments that invest in
food safety controls would benefit from
having a clear standard where product
that would be adulterated would be
diverted from commerce. Diverting
adulterated product from commerce
would equally reduce the probability of
recalls for all FSIS regulated
establishments, serving as insurance
against this risk. While this would
benefit establishments of all sizes, the
benefit may be more pronounced for
low and very low volume
establishments, for which the burden of
a recall may be higher. As the proposal
would reduce the probability that all
regulated establishments incur costs
associated with product recalls, the
Agency is approximating this
quantitative benefit by estimating the
avoided cost of outbreak-related recalls.
(See discussion above, about recalls
leading to external costs, including to
wholesalers and distributors.)
FSIS estimated that one outbreakrelated recall may cost the U.S. poultry
industry about $31.3 million in 2021
dollars.256 While the cost of a recall
varies depending on multiple factors,
recalls due to illness outbreaks (class I)
are a significant event for producers and
are likely more costly than other types
of recalls.257 The 2023 risk assessments
estimated that annually roughly 8 lots of
chicken carcasses (0.7), chicken parts
(0.2), comminuted chicken (5), and
comminuted turkey (2) would be
diverted as a result of this proposal.258
This equals roughly 80 lots of
adulterated products diverted in 10
years. FSIS estimates it is likely that at
least a portion of these diverted lots
would have otherwise led to outbreaks
and, consequently, recalls. As
mentioned above, data indicate that
industry has conducted recalls for about
7 percent of the outbreaks in the last 10
years (7 recalls in 100 outbreaks).
Considering these products have a
higher probability of resulting in
illnesses and could have led to
Salmonella outbreaks, if 7 percent of
them led to recalls, this would have
resulted in 5.6 recalls over 10 years. To
illustrate the avoided cost from a
reduction in the risk of outbreak-related
recalls, FSIS assumed that this proposal
would prevent two recalls (medium
estimate), with a range of one (low
estimate) to three (high estimate) recalls
in a 10-year period. This is roughly 2.5
percent of the diverted lots, ranging
from 1.3 percent to 3.8 percent. The
estimated benefits from preventing
recalls as part of this proposal is $7.6
million, ranging from $4.2 million to
$10.3 million, annualized over 10 years
at a 7 percent discount rate.
256 This estimate is derived from a report by the
Consumers Brands Association that surveyed 36
food, beverage, and consumer products companies
that have faced a recall in the previous five years
to derive these estimates. Based on the report, FSIS
estimated the cost of an outbreak related recall at
$25.8 million in 2011 dollars. The Agency adjusted
this estimate for inflation using the consumer price
index. Consumers Brands Association, ‘‘Capturing
Recall Costs: Measuring and Recovering the
Losses,’’ 2011, https://
globalfoodsafetyresource.com/wp-content/uploads/
2014/08/www.gmaonline.org_file-manager_images_
gmapublications_Capturing_Recall_Costs_GMA_
Whitepaper_FINAL.pdf; BLS, Consumer Price
Index, All items in U.S. city average, all urban
consumers, not seasonally adjusted
(CUUR0000SA0, CUUS0000SA0 Not Seasonally
Adjusted).
257 FSIS uses a classification system for recalls.
Class I recalls are a health hazard situation where
there is a reasonable probability that the use of the
product will cause serious, adverse health
consequences or death. Class II recalls are those
with a remote probability that the product will
cause adverse health consequences, while Class III
recalls are situations where the product will not
cause adverse health consequences. USDA, FSIS,
‘‘Managing Adulterated or Misbranded Meat,
Poultry, and Egg Products—Revision 8,’’ December
19, 2023, https://www.fsis.usda.gov/policy/fsisdirectives/8080.1.
258 USDA, FSIS, ‘‘Quantitative Microbiological
Risk Assessment for Salmonella in Raw Chicken
and Raw Chicken Products,’’ January 2023; USDA,
FSIS, ‘‘Quantitative Microbiological Risk
Assessment for Salmonella in Raw Turkey and Raw
Turkey Products,’’ January 2023 at: https://
www.regulations.gov/docket/FSIS-2023-0028.
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Summary of Costs and Benefits
FSIS estimated this proposal would
have a net benefit of $4.1 million per
year, ranging from $1.1 million to $6.7
million, assuming the proposed
implementation schedule and
annualizing over 10 years at a 7 percent
discount rate (Table 35).
This proposal is estimated to cost
industry $16.4 million per year, ranging
from $3.3 to $32.3 million, assuming the
proposed implementation schedule and
annualizing over 10 years at a 7 percent
discount rate. The majority of this cost,
$14.5 million, ranging from $2.1 million
to $29.3 million, is associated with
requiring establishments to maintain
control of sampled product pending test
results, followed by industry cost due to
lost product value of $1.5 million,
ranging from $0.9 million to $2.4
million. Industry may also incur costs
associated with HACCP and
microbiological sampling plan
reassessments and changes to MMPs for
process control. To varying degrees,
industry may also incur other costs
associated with their individual
responses to this proposal.
In terms of benefits, this proposal is
estimated to result in benefits to society
of $20.5 million per year, ranging from
$4.4 million to $39.0 million (Table 36),
assuming the proposed implementation
schedule and annualizing over 10 years
at a 7 percent discount rate. The
majority of the benefits are derived from
prevented illnesses of $12.9 million per
year, ranging from $0.3 to $28.7 million.
Additional benefits from this proposal
include the reduction in the risk of
outbreak-related recalls for products
subject to these final product standards,
which represent an estimated $7.6
million in benefits to industry, ranging
from $4.2 million to $10.3 million.
Moreover, industry might take
additional actions in response to this
proposal, which may lead to additional
benefits. For example, producers may
adopt testing programs, process control
measures, or pre-harvest measures that
may result in additional benefits from
this proposal.
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TABLE 36—SUMMARY OF COSTS AND BENEFITS
Total (million $)
Description
Low
Medium
High
Costs
Costs associated with the proposed rule:
Statistical Process Control ...................................................................................................
Electronic data submission ...................................................................................................
HACCP plan reassessment ..................................................................................................
Costs associated with the proposed determination:
Maintaining control of sampled product ...............................................................................
Lost value to the industry .....................................................................................................
Microbiological sampling plan reassessment .......................................................................
0.04
0.18
0.09
0.04
0.18
0.18
0.04
0.18
0.26
2.11
0.87
0.02
14.47
1.52
0.04
29.26
2.43
0.08
Total costs .....................................................................................................................
3.31
16.43
32.25
Prevented illnesses from adulterated chicken products ..............................................................
Prevented illnesses from adulterated comminuted turkey ..........................................................
Avoided cost from prevented outbreak-related recalls ................................................................
0.09
0.19
4.16
4.35
8.58
7.56
15.11
13.55
10.34
Total benefits ........................................................................................................................
Net benefits ...................................................................................................................
4.45
1.14
20.49
4.06
39.00
6.75
Benefits
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Note: All costs and benefits are annualized over 10 years at a 7 percent discount rate. Numbers in table may not sum to totals due to
rounding.
This regulatory impact analysis
provides potential cost and benefits
scenarios. As discussed in the Potential
benefits and avoided costs from the
proposed rule and proposed
determination section, establishments
may elect to divert product before final
adulteration results are available to
them. To also illustrate this possibility,
FSIS estimated the potential costs
associated with establishments diverting
product with test results at or above 10
cfu/mL(g) before a serotype of public
health significance is detected. This
would likely increase industry cost by
$3.6 million, ranging from $2.1 million
to $5.7 million. This range is associated
with changes to the cost of maintaining
control of sampled product, which
would decrease, while the lost value to
industry from diverting product would
likely increase. While FSIS did not
incorporate these into the main
scenarios presented in this regulatory
impact analysis, the net benefit from
industry diverting product that tests at
or above 10 cfu would be $0.5 million,
ranging from a net cost of $0.9 million
to a net benefit of $1.0 million and
keeping all other assumptions
constant.259
FSIS compared the respective low,
medium, and high costs and benefits
estimates as the Agency’s primary
estimates to summarize the potential
economic outcomes of this proposal.
However, each of the cost scenarios in
this analysis could result in any of the
benefit scenarios also previously
discussed. As such, when considering a
wider range for these scenarios, FSIS
estimated this proposal would have a
net benefit of $4.1 million per year,
ranging from ¥$31.9 million to $35.7
million, assuming the proposed
implementation schedule and
annualizing over 10 years at a 7 percent
discount rate.
Alternative Regulatory Approaches
FSIS considered the following five
alternatives in the analysis for this
proposal (Table 37). To evaluate
potential alternatives, FSIS first
analyzed the costs and benefits
associated with taking no regulatory
action, which is discussed under
Alternative 1 and represents the
baseline for this analysis. Alternative 2
discusses the proposal. For Alternative
3, which is a more stringent regulatory
scenario, FSIS estimated the costs and
benefits associated with declaring
adulterated chicken carcasses, chicken
parts, comminuted chicken, and
comminuted turkey with levels of
Salmonella at or above 1 cfu/mL(g) and
containing a serotype of public health
significance. Alternative 4 represents a
more lenient regulatory scenario by
estimating costs and benefits associated
with declaring these products
adulterated with Salmonella levels at or
above 100 cfu/mL(g) and containing a
serotype of public health significance.
Finally, Alternative 5 represents the
most stringent scenario considered and
estimates the benefits and costs
associated with declaring chicken
carcasses, chicken parts, comminuted
chicken, and comminuted turkey with
Salmonella at or above 1 cfu/mL(g)
adulterated regardless of serotype. For
each alternative, the Agency assumed
that all other costs, specifically those
associated with process control
requirements (collecting an additional
sample and electronic data submission),
as well as HACCP and microbiological
sampling plan reassessments, would
remain equal. Similarly, the Agency
assumed that the benefits from
preventing outbreak-related recalls
would be the same for each alternative.
259 In this scenario, the low bound in the net
benefits estimate reflects the adjustment in illnesses
made in the Expected benefits section to account for
the share of product that is likely to be at or above
10 cfu/mL(g) and contain a serotype of public
health significance. Hence, the net cost would be
lower than $0.9 million.
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TABLE 37—REGULATORY ALTERNATIVES
Net
(medium
estimate)
Alternative 1
Costs
(medium estimate)
Benefits
(medium estimate) 2
1: No regulatory action (Baseline) .............
Continued illnesses and deaths associated with Salmonella from these products.
$16.43 million compared to the baseline ..
No new costs to industry ...........................
n/a.
$20.49 million from prevented Salmonella
illnesses and outbreak-related recalls.
$19.65 million from prevented Salmonella
illnesses and outbreak-related recalls.
$4.06 million.
($9.88)
million.
$15.34 million compared to the baseline ..
$8.85 million in the form of prevented Salmonella illnesses and outbreak-related
recalls.
($6.59 million).
$49.96 million compared to the baseline ..
$34.50 million from prevented Salmonella
illnesses and outbreak-related recalls.
($15.45
million).
2: The proposed rule and proposed determination.
3: The proposed rule and proposed determination with a lower level for adulterated product (1 cfu/mL(g) and serotypes
of public health significance).
4: The proposed rule and proposed determination with a higher level for adulterated product (100 cfu/mL(g) and
serotypes of public health significance).
5: The proposed rule and proposed determination with a lower contamination
level for adulterated product of 1 cfu/
mL(g)
Salmonella
regardless
of
serotype.
$29.52 million compared to the baseline ..
1 Costs
and benefits are annualized at a 7 percent discount rate over 10 years.
2–5 have additional potential benefits from reduced risk of outbreak-related recalls and increased consumer trust.
Note: Numbers in table may not sum to totals due to rounding.
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2 Alternatives
Alternative 1: No regulatory action
(Baseline).
FSIS considered keeping the current
performance standards for Salmonella
in poultry products and taking no
regulatory action. This alternative
would prevent society from realizing
benefits in the form of prevented
illnesses due to Salmonella
contamination. While this alternative
would not impose costs on industry
from maintaining control of sampled
product or lost value due to diverted
product, the Agency would fail to
address the increased probability of
illness resulting from chicken carcasses,
chicken parts, comminuted chicken,
and comminuted turkey that contain
Salmonella at or above 10 cfu/mL(g) and
a serotype of public health significance.
FSIS would also fail to clarify process
control requirements for poultry
slaughter establishments. Therefore, the
Agency rejects this alternative.
Alternative 2: The proposed rule and
proposed determination.
Under this proposal, chicken
carcasses and parts and comminuted
chicken and turkey products which are
final products that will enter commerce
that test at or above 10 cfu/mL(g) and
contain a Salmonella serotype of public
health significance would be
adulterated. FSIS would also clarify
process control requirements for poultry
slaughter establishments, require that
VLV and VS establishments operating
under Traditional Inspection collect and
analyze an additional sample for
process control monitoring, and require
all establishments electronically submit
process control data. Society would
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benefit from this proposal as FSIS
estimated that between 765 and 4,300
Salmonella illnesses could be prevented
each year. This represents between 0.5
and 3 percent of the total number of
Salmonella illnesses attributed to
products subject to this proposal.260
Additionally, industry would benefit
from a reduced risk of outbreak-related
recalls. This is the Agency’s preferred
alternative.
Alternative 3: The proposed rule and
proposed determination with a lower
contamination level for adulterated
product of 1 cfu/mL(g) and serotypes of
public health significance.
Alternative 3 would consider product
under this proposal to be adulterated if
it contains 1 cfu/mL(g) and a
Salmonella serotype of public health
significance. This alternative results in
higher costs for industry to comply with
the proposal, resulting from the
increased volume of lost product that is
diverted ($14.48 million, ranging from
$8.29 million to $21.08 million).
Alternative 3 also presents higher
benefits from prevented Salmonella
illnesses, which range from 1,214 to
7,750. This represents between 0.8 and
5.4 percent of the total number of
260 According to the 2023 risk assessments, there
are 125,000 and 18,000 Salmonella illnesses
attributed to products subject to this proposed rule
each year. USDA, FSIS, ‘‘Quantitative
Microbiological Risk Assessment for Salmonella in
Raw Chicken and Raw Chicken Products,’’ January
2023 at: https://www.regulations.gov/docket/FSIS2023-0028; USDA, FSIS, ‘‘Quantitative
Microbiological Risk Assessment for Salmonella in
Raw Turkey and Raw Turkey Products,’’ January
2023 at: https://www.regulations.gov/docket/FSIS2023-0028.
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Salmonella illnesses attributed to
products subject to this proposal.261
However, the net benefits from this
alternative (benefits minus costs) are
negative for all scenarios. Therefore, the
Agency rejects this alternative.
Alternative 4: The proposed rule and
proposed determination with a higher
contamination level for adulterated
product of 100 cfu/mL(g) and serotypes
of public health significance.
Alternative 4 would consider product
under this proposal to be adulterated if
it contains 100 cfu/mL(g) and a
Salmonella serotype of public health
significance. This alternative results in
lower costs for industry to comply with
the proposal, as a lower volume of
product would have initial results at or
above 100 cfu/mL(g) and would result
in a lower lost value for the industry
($0.62 million, ranging from $0.35
million to $3.16 million). Alternative 4
also presents fewer prevented
Salmonella illnesses, which range from
384 to 2,220. This represents between
0.3 and 1.5 percent of the total number
of Salmonella illnesses attributed to
products subject to this proposal.262 The
261 According to the 2023 risk assessments, there
are 125,000 and 18,000 Salmonella illnesses
attributed to products subject to this proposed rule
each year. USDA, FSIS, ‘‘Quantitative
Microbiological Risk Assessment for Salmonella in
Raw Chicken and Raw Chicken Products,’’ January
2023 at: https://www.regulations.gov/docket/FSIS2023-0028; USDA, FSIS, ‘‘Quantitative
Microbiological Risk Assessment for Salmonella in
Raw Turkey and Raw Turkey Products,’’ January
2023 at: https://www.regulations.gov/docket/FSIS2023-0028.
262 According to the 2023 risk assessments, there
are 125,000 and 18,000 Salmonella illnesses
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net benefits from this alternative
(benefits minus costs) are negative at the
medium, and high estimates. Therefore,
the Agency rejects this alternative.
Alternative 5. The proposed rule and
proposed determination with a lower
contamination level for adulterated
product of 1 cfu/mL(g) Salmonella
regardless of serotype.
Alternative 5 would consider product
under this proposal to be adulterated if
it contains 1 cfu/mL(g) Salmonella,
regardless of the presence of Salmonella
serotype. This alternative results in
higher costs for industry to comply with
the proposal, as a higher volume of
product would be adulterated with
results at or above 1 cfu/mL(g). The lost
value to industry would increase to
$48.0 million (ranging from $27.4
million to $72.0 million), which is the
highest in comparison to the other
alternatives. Alternative 5 also presents
higher benefits from prevented
Salmonella illnesses, which range from
5,000 to 7,750. This represents between
3.5 and 5.4 percent of the total number
of Salmonella illnesses attributed to
products subject to this proposal.263
However, this alternative results in the
lowest net benefits (benefits minus
costs) and all scenarios result in net
costs. Therefore, the Agency rejects this
alternative.
VII. Regulatory Flexibility Act
Assessment
The FSIS Administrator has made a
preliminary determination that this
proposed rule and proposed
determination, if finalized, would not
have a significant economic impact on
a substantial number of small entities in
the U.S., as defined by the Regulatory
Flexibility Act (5 U.S.C. 601 et seq.).
Establishments subject to this proposal
are classified in the 311615 Poultry
Processing sector of the North American
Industry Classification System (NAICS).
The U.S. Small Business Administration
(SBA) size standard for small businesses
in this section is 1,250 employees.264
This NAICS sector includes
establishments ‘‘primarily engaged in
(1) slaughtering poultry and small game
and/or (2) preparing processed poultry
and small game meat and meat
byproducts.’’ As a result, the sector
includes establishments that produce
products beyond the scope of this
proposal, including further processing
of poultry products. FSIS has typically
classified establishments in three size
categories based on employment counts
and annual sales: large establishments
have over 500 employees, small
establishments have between 10 and
499 employees, and very small
establishments have less than 10
employees or less than $2.5 million in
annual sales.265 These categories,
however, do not necessarily capture the
variability in production volumes
between regulated establishments. For
this reason, FSIS classified
establishments based on production
volumes of the products subject to this
proposal.
FSIS established volume categories
for this proposal based on Agency data
on establishments’ production volumes
and the 2016 cost-benefit analysis in
support of the FSIS ‘‘Chicken Parts and
Not Ready-To-Eat Comminuted Poultry
Performance Standards,’’ as shown in
tables 38 and 39.266 Furthermore, FSIS
uses production volumes for allocating
samples to be collected at regulated
establishments, therefore these volume
categories more closely capture the
estimated impact of this proposal. This
proposal is estimated to impact a total
of 284 establishments classified as lowand very low-volume establishments.
FSIS considers these volume categories
to be small entities.
Final Product Standards
The volume categories for
establishments subject to the proposed
final product standards are summarized
in Table 38. Of these, 37 establishments
produced chicken carcasses, 127
produced chicken parts, 39 produced
comminuted chicken, and 18 produced
comminuted turkey products that would
be subject to the final product
standards. This represents roughly 27.6
percent of the establishments impacted
by this proposal.267 Low- and very lowvolume establishments, combined,
accounted for 0.08 percent of the total
chicken carcasses produced in 2021. In
that same year, low-volume
establishments represented 0.1, 2.8, and
0.5 percent of the total production of
chicken parts, comminuted chicken,
and comminuted turkey,
respectively.268
TABLE 38—VOLUME CATEGORIES FOR ESTABLISHMENTS SUBJECT TO THE FINAL PRODUCTS STANDARDS
Establishment
volume
category
Chicken carcasses
(birds slaughtered annually)
Chicken parts
(annual production pounds)
Comminuted
chicken
(daily production pounds)
High ...............
Medium ..........
10 million or more ..................
More than 1.1 million and less
than 10 million.
More than 440,001 and less
than 1.1 million.
No more than 440,000 ...........
70 million or more ..................
More than 1 million and less
than 70 million.
1 million or less ......................
250,000 or more ....................
More than 6,000 and less
than 250,000.
Less than 6,000 .....................
250,000 or more.
More than 6,000 and less
than 250,000.
Less than 6,000.
n/a ..........................................
n/a ..........................................
n/a.
Low ................
Very Low 1 .....
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1 Very
Comminuted
turkey
(daily production pounds)
low-volume establishments are defined in 9 CFR 381.65g(1)(i).
attributed to products subject to this proposed rule
each year. USDA, FSIS, ‘‘Quantitative
Microbiological Risk Assessment for Salmonella in
Raw Chicken and Raw Chicken Products,’’ January
2023 at: https://www.regulations.gov/docket/FSIS2023-0028; USDA, FSIS, ‘‘Quantitative
Microbiological Risk Assessment for Salmonella in
Raw Turkey and Raw Turkey Products,’’ January
2023 at: https://www.regulations.gov/docket/FSIS2023-0028.
263 According to the 2023 risk assessments, there
are 125,000 and 18,000 Salmonella illnesses
attributed to products subject to this proposed rule
each year. USDA, FSIS, ‘‘Quantitative
Microbiological Risk Assessment for Salmonella in
Raw Chicken and Raw Chicken Products,’’ January
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2023 at: https://www.regulations.gov/docket/FSIS2023-0028; USDA, FSIS, ‘‘Quantitative
Microbiological Risk Assessment for Salmonella in
Raw Turkey and Raw Turkey Products,’’ January
2023 at: https://www.regulations.gov/docket/FSIS2023-0028.
264 U.S. Census Bureau, ‘‘North American
Industry Classification System—2022 NAICS
Definition: 311615 Poultry Processing January 3,
2024, https://www.census.gov/naics/
?input=311615&year=2022&details=311615; SBA,
Table of size standards, October 25, 2023, https://
www.sba.gov/sites/default/files/2023-06/
Table%20of%20Size%20Standards_
Effective%20March%2017%2C%2
02023%20%282%29.pdf.
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265 61
FR 38806.
FSIS, Chicken Parts and Not Ready-ToEat Comminuted Poultry Performance Standards,
Final Cost-Benefit Analysis, February 11, 2016,
https://www.fsis.usda.gov/sites/default/files/media_
file/documents/FRN-related-CBA-SalmonellaCampy-2014-0023-022016.pdf.
267 Some establishments may produce more than
one product subject to these final product
standards. For these estimates, FSIS counted
establishments separately for each product subject
to the final product standards, therefore,
establishments may be counted more than once.
268 Note that there is no very low-volume category
for chicken parts, comminuted chicken, and
comminuted turkey.
266 USDA,
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As a result of the proposal, based on
the assumptions and estimates
described in the Regulatory Impact
Analysis section, FSIS estimates that the
medium per establishment cost for lowvolume establishments that produce
chicken carcasses is $1,260 per year. For
very low-volume establishments in this
product group, the medium per
establishment cost would be $1,067, if
the proposal is finalized. For lowvolume establishments that produce
chicken parts, comminuted chicken,
and comminuted turkey, the estimated
medium per establishment cost is
$1,305, $3,152, and $1,296 per year,
respectively.
FSIS used the per pound retail prices
described in the Lost value to the
industry costs section to estimate the
average revenue for low-and very lowvolume establishments from producing
chicken carcasses, chicken parts,
comminuted chicken, and comminuted
turkey. FSIS estimates the cost
associated with this proposal represents
about 0.04 percent of the chicken
carcass revenue for low-volume
establishments and 0.15 percent for very
low-volume establishments.269 For lowvolume establishments producing
chicken parts, the estimated cost of the
proposal represents about 0.1 percent of
the estimated revenue.270 This
estimated cost represents 0.9 and 0.4
percent of the estimated revenue for
low-volume establishments that
produce comminuted chicken and
comminuted turkey, respectively.271
FSIS also expects the cost burden of
this proposal on low- and very lowvolume establishments to be limited due
to several factors:
(1) FSIS estimates that the total cost
for low- and very low-volume
establishments for complying with this
proposal is small. As proposed, final
product standards account for the
largest proportion of estimated costs,
which are estimated to cost these
establishments $1,569, on average, per
establishment per year. This cost will
vary depending on an establishment’s
production level.
(2) The cost estimates presented as
part of this analysis are based on FSIS’
estimated lot size. FSIS allows
establishments to produce smaller
representative batches of product for
sampling.272 Consequently, low- and
very low-volume establishments can
reduce costs by reducing their lot size
when FSIS collects a sample.
(3) FSIS is also adopting an
implementation schedule that allows
low- and very low-volume
establishments additional flexibility to
adjust to the new regulations. Low- and
very low-volume establishments would
have three years to comply with this
proposal after it is finalized.
Process Control Requirements
The volume categories for
establishments subject to the statistical
64745
process control requirements are
summarized in Table 39. Of the 284
small entities impacted by this proposal,
108 are poultry slaughter establishments
subject to the statistical process control
requirements, or about 36.2 percent of
all poultry slaughter establishments.
This proposal requires that very lowvolume and very small establishments
operating under Traditional Inspection
collect an additional sample for
monitoring process control, as
explained in the Statistical Process
Control costs section. This requirement
is estimated to impact 92 establishments
that are considered to be small entities
by FSIS. The rule also requires all
poultry slaughter establishments to
electronically submit to FSIS data
generated as part of their process control
monitoring. This requirement is
estimated to impact 108 establishments
that are considered to be small entities
by FSIS. In 2021, there were 93 low and
very low-volume chicken slaughter
establishments, 12 turkey slaughter, 1
duck slaughter, 1 goose slaughter, and 1
squab slaughter establishments.273 In
that year, low and very low volume
establishments accounted for 0.2
percent of chicken slaughter, 0.1 percent
of turkey slaughter, and 0.01 percent of
duck slaughter. For goose slaughter, one
establishment accounted for about 98
percent of total slaughter in 2021, while
one low volume establishment
accounted for 16 percent of squab
slaughter in that year.
TABLE 39—VOLUME CATEGORIES FOR ESTABLISHMENTS SUBJECT TO THE STATISTICAL PROCESS CONTROL
REQUIREMENTS
Chicken
All other poultry classes
khammond on DSKJM1Z7X2PROD with PROPOSALS2
More than 10 million .................................................................................
Between 1.1 million and 10 million ..........................................................
Between 440 thousand and 1.1 million ....................................................
Less than 440 thousand ...........................................................................
More than 1 million.
Between 156 thousand and 1 million.
Between 60 thousand and 156 thousand.
Less than 60 thousand.
FSIS estimated process control
requirements would cost $2,129 per
establishment per year. As these
establishments produce a wide variety
of products, including multiple poultry
classes, FSIS is unable to estimate the
share this cost represents of
establishments’ total revenue. However,
FSIS production data show that 79
establishments (73 percent) slaughter
more than one class of poultry.
Additionally, 36 establishments (about
33 percent) produce other nonpoultry
FSIS inspected products. Nonpoultry
products represent 54 percent, on
average, of these establishments’ total
production by volume. However, to
mitigate the impact and costs of this
requirement, the Agency is proposing to
make laboratory services available to
analyze process control samples instead
of the establishment using
establishment resources or commercial
laboratories. In addition, FSIS is
providing a template for establishments
to use when submitting data to the
Agency. Consequently, these costs could
be mitigated is represents potential cost
savings for these establishments.
269 FSIS estimated the average chicken carcass
revenue for low-volume establishments at $3.2
million, while for very low-volume establishments
this revenue was $0.7 million in 2021.
270 FSIS estimated the average chicken parts
revenue for low-volume establishments at $1.2
million.
271 FSIS estimated the average comminuted
chicken revenue for low-volume establishments at
$0.35 million, while for low-volume establishments
producing comminuted turkey, this estimate is
$0.32 million.
272 77 FR 73402.
273 For establishments that slaughter multiple
species, process control requirements apply to the
most predominant species slaughtered annually.
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VIII. Paperwork Reduction Act
In accordance with the Paperwork
Reduction Act of 1995 (44 U.S.C. 3501–
3520), FSIS has reviewed the proposed
rule. All establishments that slaughter
poultry are currently required to
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monitor their ability to maintain process
control through microbial testing and
recordkeeping under the currently
approved information collection, 0583–
0156, Modernization of Poultry
Slaughter Inspection. FSIS is proposing
to revise this collection to require that
establishments submit their microbial
sampling results to FSIS electronically
on a monthly basis. FSIS is also
proposing to require that all
establishments, including VS and VLV
establishments operating under
Traditional Inspection to test at 2 points
(rehang and post-chill) instead of only
post-chill. VS and VLV establishments
operating under Traditional Inspection
would have the option to use laboratory
resources provided by FSIS to analyze
their monitoring samples for them, but
they would still be required to have
their results recorded and submitted to
FSIS electronically.
Should FSIS finalize this proposal,
the Agency would provide a template
that establishments could use to record
and submit their monthly results. FSIS
is developing a web portal that will
allow external partners to securely
upload sampling information and
submit it to FSIS in a machine- readable
format. The proposed fields that would
be uploaded into the portal are: a
sample identification number, the
establishment number, date, time,
slaughter line number, location of
sample collection (e.g., rehang, postchill), poultry species sampled, sample
type (e.g., rinsate, sponge), analyte (e.g.,
AC, EB), analyte units (e.g., cfu/mL),
quantified analyte result, and text
analyte result (e.g., Upper LOD). Establishments that use
the spreadsheet template to record the
microbial monitoring results may
upload their completed spreadsheet into
the web portal to submit their monthly
microbial data to FSIS or they may enter
the information manually into the
portal. Establishments that do not use
the spread sheet provided by FSIS as a
template to record their results would
need to manually enter their microbial
sampling data into the portal to submit
their monthly data.
FSIS is revising this information
collection to add 1,788 total burden
hours due to the proposed new
requirements. The burden estimate has
also been updated to reflect the current
number of poultry slaughter
establishment respondents, which has
increased from 289 to 298 since the
initial information collection approval.
FSIS requests comments on the
proposed data fields and on the
proposed electronic data submission
process.
FSIS estimates that a total of 298
establishments would conduct
microbial testing and enter 6–12
associated data points into the spread
sheet, or directly into the portal, 12
times annually for a total of 1,788 hours.
MICROBIAL TESTING, RECORDING, AND ELECTRONIC SUBMISSION
[9 CFR 381.65(g) and (h)]
Number of
respondents
Number of
responses per
respondent
Total annual
responses
Time for
response in
mins.
Total annual
time in hours
298
1
12
30
1,788
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Total .....................................................................................
Copies of this information collection
assessment can be obtained from Gina
Kouba, Office of Policy and Program
Development, Food Safety and
Inspection Service, USDA, 1400
Independence Avenue SW, Mailstop
3758, South Building, Washington, DC
20250–3700; (202) 937–4272. Comments
are invited on: (a) whether the proposed
collection of information is necessary
for the proper performance of FSIS’
functions, including whether the
information will have practical utility;
(b) the accuracy of FSIS’ estimate of the
burden of the proposed collection of
information, including the validity of
the method and assumptions used; (c)
ways to enhance the quality, utility, and
clarity of the information to be
collected; and (d) ways to minimize the
burden of the collection of information,
including through the use of appropriate
automated, electronic, mechanical, or
other technological collection
techniques, or other forms of
information technology. Comments may
be sent to both FSIS, at the addresses
provided above, and the Desk Officer for
Agriculture, Office of Information and
Regulatory Affairs, Office of
Management and Budget (OMB),
Washington, DC 20253
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IX. E-Government Act
FSIS and USDA are committed to
achieving the purposes of the EGovernment Act (44 U.S.C. 3601, et
seq.) by, among other things, promoting
the use of the internet and other
information technologies and providing
increased opportunities for citizen
access to Government information and
services, and for other purposes.
X. Executive Order 12988, Civil Justice
Reform
This proposed rule has been reviewed
under E.O. 12988, Civil Justice Reform.
Under this proposed rule: (1) All State
and local laws and regulations that are
inconsistent with this proposed rule
will be preempted; (2) no retroactive
effect will be given to this proposed
rule; and (3) no administrative
proceedings will be required before
parties may file suit in court challenging
this proposed rule.
XI. E.O. 13175
E.O. 13175 requires Federal agencies
to consult and coordinate with tribes on
a government to-government basis on
policies that have tribal implications,
including regulations, legislative
comments or proposed legislation, and
other policy statements or actions that
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have substantial direct effects on one or
more Indian tribes, on the relationship
between the Federal Government and
Indian tribes or on the distribution of
power and responsibilities between the
Federal Government and Indian tribes.
FSIS has assessed the impact of this
proposed rule on Indian tribes and
determined that this proposed rule does
not, to our knowledge, have tribal
implications that require tribal
consultation under E.O. 13175. If a tribe
requests consultation, FSIS will work
with the Office of Tribal Relations to
ensure meaningful consultation is
provided where changes, additions, and
modifications identified herein are not
expressly mandated by Congress.
XII. USDA Non-Discrimination
Statement
In accordance with Federal civil
rights law and USDA civil rights
regulations and policies, USDA, its
Mission Areas, agencies, staff offices,
employees, and institutions
participating in or administering USDA
programs are prohibited from
discriminating based on race, color,
national origin, religion, sex, gender
identity (including gender expression),
sexual orientation, disability, age,
marital status, family/parental status,
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income derived from a public assistance
program, political beliefs, or reprisal or
retaliation for prior civil rights activity,
in any program or activity conducted or
funded by USDA (not all bases apply to
all programs). Remedies and complaint
filing deadlines vary by program or
incident. Program information may be
made available in languages other than
English. Persons with disabilities who
require alternative means of
communication to obtain program
information (e.g., Braille, large print,
audiotape, American Sign Language)
should contact the responsible Mission
Area, agency, or staff office; the USDA
TARGET Center at (202) 720–2600
(voice and TTY); or the Federal Relay
Service at (800) 877–8339. To file a
program discrimination complaint, a
complainant should complete a Form,
AD–3027, USDA Program
Discrimination Complaint Form, which
can be obtained online at https://
www.usda.gov/forms/electronic-forms,
from any USDA office, by calling (866)
632–9992, or by writing a letter
addressed to USDA. The letter must
contain the complainant’s name,
address, telephone number, and a
written description of the alleged
discriminatory action in sufficient detail
to inform the Assistant Secretary for
Civil Rights about the nature and date
of an alleged civil rights violation. The
completed AD–3027 form or letter must
be submitted to USDA by: (1) Mail: U.S.
Department of Agriculture, Office of the
Assistant Secretary for Civil Rights,
1400 Independence Avenue SW,
Washington, DC 20250–9410; (2) Fax:
(833) 256–1665 or (202) 690–7442; or (3)
Email: program.intake@usda.gov.
USDA is an equal opportunity
provider, employer, and lender.
XIII. Environmental Impact
Each USDA agency is required to
comply with 7 CFR part 1b of the
Departmental regulations, which
supplements the National
Environmental Policy Act regulations
published by the Council on
Environmental Quality. Under these
regulations, actions of certain USDA
agencies and agency units are
categorically excluded from the
preparation of an Environmental
Assessment (EA) or an Environmental
Impact Statement (EIS) unless the
agency head determines that an action
may have a significant environmental
effect (7 CFR 1b.4(b)). FSIS is among the
agencies categorically excluded from the
preparation of an EA or EIS (7 CFR
1b.4(b)(6)). This proposed rule would
establish final product standards for
certain raw poultry products. Under this
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proposal, raw chicken carcasses,
chicken parts, comminuted chicken,
and comminuted turkey that contain
Salmonella levels and serotypes in the
proposed final product standards would
be adulterated. This proposed rule
would also revise the regulations that
require that all poultry slaughter
establishments develop, implement, and
maintain written procedures to prevent
contamination by enteric pathogens
throughout the entire slaughter and
dressing operation to clarify that these
procedures must include a MMP that
incorporates SPC monitoring methods
and to require all establishments to
conduct testing at rehang and post chill.
FSIS has determined that this proposed
rule would not create any extraordinary
circumstances that would result in this
normally excluded action having a
significant individual or cumulative
effect on the human environment.
Therefore, this action is appropriately
subject to the categorical exclusion from
the preparation of an environmental
assessment or environmental impact
statement provided under 7 CFR
1b.4(b)(6) of the U.S. Department of
Agriculture regulations.
XIV. Additional Public Notification
Public awareness of all segments of
rulemaking and policy development is
important. Consequently, FSIS will
announce this Federal Register
publication on-line through the FSIS
web page located at: https://
www.fsis.usda.gov/federal-register. FSIS
will also announce and provide a link
through the FSIS Constituent Update,
which is used to provide information
regarding FSIS policies, procedures,
regulations, Federal Register notices,
FSIS public meetings, and other types of
information that could affect or would
be of interest to our constituents and
stakeholders. The Constituent Update is
available on the FSIS web page.
Through the web page, FSIS is able to
provide information to a much broader,
more diverse audience. In addition,
FSIS offers an email subscription
service which provides automatic and
customized access to selected food
safety news and information. This
service is available at: https://
www.fsis.usda.gov/subscribe. Options
range from recalls to export information,
regulations, directives, and notices.
Customers can add or delete
subscriptions themselves and have the
option to password protect their
accounts.
List of Subjects in 9 CFR Part 381
Meat inspection, Poultry and poultry
products.
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Fmt 4701
Sfmt 4702
64747
For the reasons set forth in the
preamble, FSIS proposes to amend 9
CFR part 381 as follows:
PART 381—POULTRY PRODUCTS
INSPECTION REGULATIONS
1. The authority citation for part 381
continues to read as follows:
■
Authority: 7 U.S.C. 138f, 1633; 21 U.S.C.
451–472; 7 CFR 2.7, 2.18, 2.53.
2. Amend § 381.65 by revising
paragraphs (g) and (h) to read as follows:
■
§ 381.65 Operations and procedures,
generally.
*
*
*
*
*
(g) Procedures for controlling
contamination throughout the slaughter
and dressing operation. Official poultry
slaughter establishments must develop,
implement, and maintain written
procedures to prevent contamination of
carcasses and parts by enteric pathogens
and fecal contamination throughout the
entire slaughter and dressing operation.
Establishments must incorporate these
procedures into their HACCP plans, or
sanitation SOPs, or other prerequisite
programs. At a minimum, these
procedures must establish a microbial
monitoring program that includes
sampling and analysis of microbial
organisms in accordance with the
requirements in paragraphs(g)(1)-(5) of
this section to monitor an
establishment’s ability to maintain
process control.
(1) Sampling locations.
Establishments must collect and analyze
samples for microbial organisms at the
rehang and post-chill points in the
process.
(i) The establishment’s microbial
monitoring program must identify and
provide supporting rationale for the
specific point in the process where
rehang and post-chill samples will be
collected.
(ii) An establishment may collect
samples at a location other than rehang
if the establishment provides supporting
data to demonstrate that the alternate
location is at least as effective as rehang
sampling for monitoring the
establishment’s ability to maintain
process control.
(2) Sampling frequency.
(i) Except as provided in paragraph
(g)(2)(ii) of this section, all official
poultry establishments must collect and
analyze paired monitoring samples at
the following rates. Establishments that
slaughter multiple species may conduct
sampling on the type of poultry
slaughtered in the greatest number.
(A) Chickens
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Federal Register / Vol. 89, No. 152 / Wednesday, August 7, 2024 / Proposed Rules
Predominant poultry species
slaughtered
Establishment volume sizes
Chicken ..................................................
Chicken ..................................................
Very Low Volume ..................................
Low Volume ..........................................
Chicken ..................................................
Medium and High Volume ....................
Annual slaughter
head volume
1–440,000
440,001–
1,100,000
≥1,100,000
Minimum frequency of paired collection
13 Weekly Pairs per Year.
Weekly.
1 per 22,000.
(B) Turkeys, ducks, geese, guineas and
squabs
Predominant poultry species
slaughtered
Establishment volume sizes
Turkey, Geese, Guinea, Ducks, Squab
Turkey, Geese, Guinea, Ducks, Squab
Turkey, Geese, Guineas, Ducks Squab
Very Low Volume ..................................
Low Volume ..........................................
Medium and High Volume ....................
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(ii) Very low volume establishments
as defined in paragraphs (g)(2)(i)(A) and
(B) of this section that plan to operate
less than 13 weeks per year may collect
and analyze 13 samples less than
weekly if the establishment can
demonstrate that it is effectively
maintaining process control throughout
the year and during any periods of
slaughter operations.
(iii) Establishments must sample at a
frequency that is adequate to monitor
their ability to maintain process control
for enteric pathogens.
(iv) Establishments must maintain
accurate records of all test results and
retain these records as provided in
paragraph(h) of this section.
(3) Microbial Organism and Methods.
Establishments must analyze monitoring
samples for microbial organisms that are
quantifiably detectable in their slaughter
process and that will generate microbial
monitoring data that is adequate to
monitor their ability to maintain process
control for enteric pathogens.
(i) The establishment’s measured
results at each sample location must
yield statistically reliable quantified
value results
(ii) The establishments’ sample
collection method must be appropriate
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Annual slaughter
head volume
1–60,000
60,001–156,000
≥156,000
for the product sampled, the microbial
organism monitored, and the laboratory
method used to analyze the samples.
(iii) The establishment’s microbial
sampling results must be generated by
validated laboratory analyses and
methods.
(4) Microbial Monitoring Criteria. The
establishment must use appropriate
statistical methods to compare microbial
monitoring data against predefined
quantitative limits adequate to gauge its
ability to maintain process control. At a
minimum, the microbial monitoring
program must identify and support
limits for:
(i) The minimal expected change in
microbial levels measured between
sampling locations; and
(ii) The expected consistency of the
levels of change detected over a
specified monitoring period.
(5) Corrective Actions. The
establishment must implement written
corrective actions, including a root
cause assessment, at a minimum when:
(i) The microbial monitoring results
deviate from predefined quantitative
limits;
(ii) The microbial monitoring results
are not consistent with the other process
PO 00000
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Fmt 4701
Sfmt 9990
Minimum frequency of paired collection
13 Weekly Pairs per Year.
Weekly.
1 per 3,000.
control monitoring results for the same
procedures; or
(iii) The microbial monitoring results
are not consistent with the process
control determination made for the
entire slaughter HACCP system.
(h) Recordkeeping requirements.
Official poultry slaughter
establishments must maintain daily
records sufficient to document the
implementation and monitoring of the
procedures required under paragraph (g)
of this section. Records required by this
section may be maintained on
computers if the establishment
implements appropriate controls to
ensure the integrity of the electronic
data. Records required by this section
must be maintained for at least one year
and must be accessible to FSIS.
(1) Official poultry slaughter
establishments must submit their
microbial sampling results to FSIS
electronically on a monthly basis.
(2) [reserved]
Done in Washington, DC.
Paul Kiecker,
Administrator.
[FR Doc. 2024–16963 Filed 8–6–24; 8:45 am]
BILLING CODE 3410–DM–P
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Agencies
[Federal Register Volume 89, Number 152 (Wednesday, August 7, 2024)]
[Proposed Rules]
[Pages 64678-64748]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2024-16963]
[[Page 64677]]
Vol. 89
Wednesday,
No. 152
August 7, 2024
Part IV
Department of Agriculture
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Food Safety and Inspection Service
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9 CFR Part 381
Salmonella Framework for Raw Poultry Products; Proposed Rule
Federal Register / Vol. 89, No. 152 / Wednesday, August 7, 2024 /
Proposed Rules
[[Page 64678]]
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DEPARTMENT OF AGRICULTURE
Food Safety and Inspection Service
9 CFR Part 381
[Docket No. FSIS-2023-0028]
RIN 0583-AD96
Salmonella Framework for Raw Poultry Products
AGENCY: Food Safety and Inspection Service (FSIS), U.S. Department of
Agriculture (USDA).
ACTION: Proposed rule and Proposed Determination.
-----------------------------------------------------------------------
SUMMARY: FSIS is announcing its proposed determination that raw chicken
carcasses, chicken parts, comminuted chicken, and comminuted turkey
products contaminated with certain Salmonella levels and serotypes are
adulterated within the meaning of the Poultry Products Inspection Act
(PPIA). The proposed determination would establish final product
standards based on these Salmonella levels and serotypes and would
prevent raw chicken carcasses, chicken parts, comminuted chicken, and
comminuted turkey products that contain Salmonella at the levels and
serotypes that would render them adulterated from entering commerce.
FSIS is also proposing to revise the regulations that require that all
poultry slaughter establishments develop, implement, and maintain
written procedures to prevent contamination by enteric pathogens
throughout the entire slaughter and dressing operation to clarify that
these procedures must include a microbial monitoring program (MMP) that
incorporates statistical process control (SPC) monitoring methods, to
require sampling at rehang instead of pre-chill, and to require that
all establishments conduct paired sampling at rehang and post-chill.
DATES: Comments on this proposal must be received on or before October
7, 2024.
ADDRESSES: FSIS invites interested persons to submit comments on this
document. Comments may be submitted by one of the following methods:
Federal eRulemaking Portal: This website provides the
ability to type short comments directly into the comment field on this
web page or attach a file for lengthier comments. Go to: https://www.regulations.gov. Follow the on-line instructions at that site for
submitting comments.
Mail: Send to Docket Clerk, U.S. Department of
Agriculture, Food Safety and Inspection Service, 1400 Independence
Avenue SW, Mailstop 3758, Washington, DC 20250-3700.
Hand- or courier-delivered submittals: Deliver to 1400
Independence Avenue SW, Jamie L. Whitten Building, Room 350-E,
Washington, DC 20250-3700.
Instructions: All items submitted by mail or electronic mail must
include the Agency name and docket number FSIS-2023-0028. Comments
received in response to this docket will be made available for public
inspection and posted without change, including any personal
information, to https://www.regulations.gov.
Docket: Go to the Federal eRulemaking Portal at https://www.regulations.gov for access to the rulemaking docket, including any
background documents and the plain-language summary of the proposed
rule of not more than 100 words in length required by the Providing
Accountability Through Transparency Act of 2023. For in-person access
to background documents or comments received, call (202) 720-5046 to
schedule a time to visit the FSIS Docket Room at 1400 Independence
Avenue SW, Washington, DC 20250-3700.
FOR FURTHER INFORMATION CONTACT: Rachel Edelstein, Assistant
Administrator, Office of Policy and Program Development, FSIS, USDA;
Telephone: (202) 205-0495.
SUPPLEMENTARY INFORMATION:
Executive Summary
FSIS is responsible for verifying that the nation's commercial
supply of meat, poultry, and egg products is safe, wholesome, and
properly labeled. In support of this mission, FSIS established a
Salmonella verification testing program in 1996 as part of the
``Pathogen Reduction; Hazard Analysis and Critical Control Point
Systems'' (PR/HACCP) final rule (61 FR 38805). Among other things, the
PR/HACCP final rule established Salmonella pathogen reduction
performance standards for raw product to allow FSIS to verify whether
establishments have effective process controls to address Salmonella.
The current performance standards for young chicken and turkey
carcasses, raw chicken parts, and comminuted chicken and turkey
products are represented as a fraction of the maximum number of
allowable Salmonella-positive results over a targeted number of samples
collected and analyzed in a 52-week moving window. FSIS categorizes
establishments based on the Salmonella verification sampling results
and posts the performance categorization of all establishments subject
to the performance standards on the FSIS website. FSIS uses Salmonella
performance standard categorization as a basis to prioritize in-depth
evaluations of failing establishments' food safety systems, including
their HACCP plan and sanitation Standard Operating Procedures (SOPs).
While the results of FSIS' Salmonella verification sampling show
that the current prevalence-based performance standards approach has
been effective in reducing the proportion of poultry products
contaminated with Salmonella, these measures have yet to have an
observable impact on human illness rates. The estimated rate of human
Salmonella infections from all sources has remained consistent over the
last two decades, with over 1.3 million illnesses estimated in the
United States each year. Additionally, while current Salmonella
performance standards are designed to achieve the Department of Health
and Human Services' Healthy People Initiative \1\ targets for foodborne
illness reduction, the 2010 and 2020 Healthy People targets for a
reduction in Salmonella infections from all sources were not met. The
Healthy People 2030 target is to reduce Salmonella infections from all
sources to a national case rate of no more than 11.5 per 100,000
consumers per year. To reach this 2030 target, Salmonella illnesses
must be reduced by 25 percent.
---------------------------------------------------------------------------
\1\ Launched by the U.S. Department of Health and Human Services
(HHS) in 1980, the Healthy People Initiative sets out to create
widely accessible plans to help organizations, communities and
individuals improve public health. Each decade, HHS releases new
goals after evaluating the successes and areas of growth from the
previous ten years. They monitor the progress toward Healthy
People's objectives using high-quality data and feedback., the HHS
benchmark continues to focus on reducing poultry-based Salmonella
infections by 25 percent, a goal that has not been reached over the
last decade. The Healthy People 2030 objectives were released on
August 18, 2020.
---------------------------------------------------------------------------
Poultry is among the leading sources of Salmonella foodborne
illness acquired domestically in the United States.\2\ Therefore, on
October 19, 2021, FSIS announced that it was mobilizing a stronger, and
more comprehensive effort to reduce Salmonella illnesses associated
with poultry products. In the
[[Page 64679]]
announcement, FSIS stated that it had initiated several activities
designed to gather data and information to inform and support future
actions related to this new effort. FSIS charged the National Committee
on Microbiological Criteria for Food (NACMCF) to provide guidance on
the types of microbiological criteria the Agency might use to better
prevent Salmonella infections associated with poultry products. The
Agency also conducted a risk profile for pathogenic Salmonella subtypes
in poultry and developed two quantitative risk assessments --one for
Salmonella in chicken and one for Salmonella in turkey. Additionally,
FSIS conducted an exploratory sampling program for young chicken
carcasses to generate microbial data to help inform future policies and
added quantification to its Salmonella testing program.
---------------------------------------------------------------------------
\2\ Interagency Food Safety Analytics Collaboration (FSAC).
Foodborne illness source attribution estimates for 2020 for
Salmonella, Escherichia coli O157, and Listeria monocytogenes using
multi-year outbreak surveillance data, United States. GA and DC:
U.S. Department of Health and Human Services, Centers for Disease
Control and Prevention, Food and Drug Administration, U.S.
Department of Agriculture's Food Safety and Inspection Service.
2022. Available at: https://www.cdc.gov/ifsac/php/annual-reports/?CDC_AAref_Val=https://www.cdc.gov/foodsafety/ifsac/annual-reports.html.
---------------------------------------------------------------------------
In addition to initiating these activities, on October 17, 2022,
FSIS shared with stakeholders a draft regulatory framework that the
Agency was considering for a new strategy to control Salmonella in
poultry products and announced that FSIS would be hosting a virtual
public meeting on November 3, 2022, to discuss the framework. The three
components under consideration in the draft framework included:
Component One. Requiring that establishments characterize
Salmonella as a hazard reasonably likely to occur at receiving and
requiring that incoming flocks be tested for Salmonella before entering
an establishment.
Component Two. Enhancing establishment process control monitoring
and FSIS verification.
Component Three. Implementing an enforceable final product standard
that would define whether certain raw poultry products contaminated
with certain levels and/or serotypes of Salmonella are adulterated.
The draft framework under consideration also addressed cross-
cutting issues associated with testing for Salmonella, considerations
for small and very small establishments, and data sharing. At the
November 2022 public meeting, stakeholders presented oral comments on
the three separate components of the draft framework and the cross-
cutting issues. Stakeholders also had an opportunity to submit written
comments to FSIS by December 16, 2022.
After carefully evaluating the written comments and other
stakeholder input provided on the October 2022 draft framework, along
with new studies and information that have become available since the
Agency made the October 2022 draft framework available to the public,
FSIS is proposing a new regulatory framework targeted at reducing
Salmonella illnesses associated with poultry products. The proposed
regulatory framework reflects the draft framework with some
modifications.
First, consistent with Component Three of the October 2022 draft
framework, FSIS is proposing final product standards that would define
whether certain raw poultry products contaminated with certain
Salmonella levels and serotypes are adulterated as defined in the
Poultry Products Inspection Act (PPIA) (21 U.S.C. 451 et seq.).
Specifically, FSIS has tentatively determined that raw chicken
carcasses, chicken parts, comminuted chicken, and comminuted turkey are
adulterated if they contain any type of Salmonella at or above 10
colony forming units/per milliliter or gram (10 cfu/mL(g)) in
analytical portion (i.e., mL of rinsate or gram of product) and contain
any detectable level of at least one of the Salmonella serotypes of
public health significance identified for that commodity. The proposed
Salmonella serotypes of public health significance identified for raw
chicken carcasses, chicken parts, and comminuted chicken are
Enteritidis, Typhimurium, and I 4,[5],12:i:-, and for raw comminuted
turkey are Hadar, Typhimurium, and Muenchen. These are the most highly
virulent Salmonella serotypes associated with these products identified
in the FSIS chicken and turkey risk assessments.
The Salmonella serotypes of public health significance will likely
change over time as the serotypes commonly associated with human
illnesses change. FSIS would continue to track annual targets for
reducing the proportion of poultry samples that contain Salmonella
serotypes of public health significance as well as data on rates for
additional serotypes commonly associated with human illness to inform
future revisions to the Salmonella serotypes of public health
significance. Should FSIS finalize the proposed final product
standards, the Agency intends to further evaluate and, if necessary,
refine these standards as advances in science and technology related to
pathogen levels, serotypes, and virulence genes become available. If
FSIS finalizes the proposed final product standards, the Agency intends
to re-evaluate the serotypes of public health concern every 3-5 years
at a minimum and whenever new information on Salmonella serotypes
associated with human illness become available. When evaluating the
serotypes, FSIS would consider, among other things, outbreak illness
data, foodborne illness surveillance data, product testing data, and
animal testing data. FSIS would publicly announce any modifications to
the final products standards in the Federal Register. FSIS requests
comments on this proposed timeline for re-evaluating serotypes of
public health concern.
Should FSIS finalize these proposed standards, the Agency intends
to conduct a routine sampling and verification testing program for
Salmonella in chicken carcasses, chicken parts, comminuted chicken, and
comminuted turkey in which the Agency would collect samples of raw
final products and analyze them for Salmonella levels and serotypes to
determine whether the final product is adulterated. Under the proposed
Salmonella verification testing program, FSIS intends to only collect
and analyze samples of the final raw poultry products produced by an
establishment, i.e., chicken carcasses to be shipped in commerce as
whole chickens, chicken parts to be shipped in commerce as chicken
parts, comminuted chicken to be shipped in commerce as comminuted
chicken products, and comminuted turkey to be shipped in commerce as
comminuted turkey products. Under this proposed determination, chicken
parts subject to the final product standards would include legs,
thighs, breasts, wings, quarters, and halves.
When FSIS tests a product sample for adulterants, establishments
must maintain control of products tested for adulterants to ensure that
the products do not enter commerce while waiting for receipt of the
test results. Thus, if FSIS finalizes its proposed routine Salmonella
verification testing program for chicken carcasses, chicken parts,
comminuted chicken, and comminuted turkey, establishments that produce
these raw products would need to control and maintain the integrity of
the sampled lot pending the availability of test results. If test
results detect Salmonella at a level of 10 cfu/mL(g) or higher and at
least one Salmonella serotype of public health significance, FSIS would
consider products represented by the sampled lots to be adulterated and
would issue a non-compliance record (NR). Therefore, all products in
the lot represented by the sample would be prohibited from entering
commerce. If any product from the lot represented by the product
samples has entered and remains available in commerce, FSIS would
request that the producing establishment recall the implicated
products. Depending on the circumstances, in addition to issuing an NR,
FSIS could take other appropriate
[[Page 64680]]
enforcement action as authorized in 9 CFR part 500 because the
establishment would have produced and shipped adulterated product. Such
actions may include immediately suspending inspection or issuing a
Notice of Intended Enforcement (NOIE).
As FSIS implements the final product standards verification
sampling program, the Agency has tentatively decided to phase out all
current Salmonella performance standards for poultry. Thus, when the
proposed final product verification sampling program is fully
implemented, FSIS has tentatively decided that it would no longer use
Salmonella sampling results to categorize establishments that produce
poultry products and would no longer publish these establishments'
performance standards categories on the FSIS website. The Agency is
requesting comments on this issue.
Consistent with Component Two of the initial proposed framework,
FSIS is proposing to revise the regulations in 9 CFR 381.65(g) and (h)
that require that all poultry slaughter establishments develop,
implement, and maintain written procedures to prevent contamination by
enteric pathogens throughout the entire slaughter and dressing
operation and maintain records documenting those procedures. FSIS is
proposing to amend these regulations to establish new requirements
pertaining to how establishments monitor and document whether their
processes for preventing microbial contamination are in control. The
proposed revisions are intended to clarify existing regulatory
requirements related to process control monitoring in 9 CFR 381.65(g)
and (h).
Under this proposal, establishments would be required to
incorporate statistical process control (SPC) monitoring principles
into their microbial monitoring programs (MMPs). The proposed revisions
would require that establishments use only validated and fit for
purpose microbial sampling and analysis procedures, generate and record
statistically meaningful microbial monitoring data, set benchmarks by
which to evaluate microbial monitoring data, and otherwise define the
statistical methods the establishment will use to evaluate the recorded
data against the predefined limits. To offset the costs associated with
this proposal, eligible very small (VS) and very low volume (VLV)
establishments would have access to laboratory services provided by
FSIS at no charge to analyze the establishments' microbial monitoring
samples for them.
FSIS is further proposing to revise the regulations to ensure that
establishments comply with the corrective action provisions required
under HACCP as they apply to the establishment's MMP. FSIS is proposing
to specifically require establishments to, at a minimum, implement
written corrective actions, including a root cause assessment, when
microbial monitoring results deviate from the predefined criteria in
the MMP, the other process control monitoring results, or the process
control determination made for the entire HACCP system.
FSIS has developed new guidance to help establishments meet the
proposed updated sampling and analysis requirements under 9 CFR
381.65(g). The new guidance includes a SPC sampling plan based on
paired sampling for Aerobic Count (AC) at the rehang and post-chill
locations, with a one-sided process control statistical model that
charts and calculates against minimum monitoring criteria at the
minimum required frequency. Establishments that incorporate the
guidance into their MMPs would not be required to provide FSIS with
additional scientific or technical information to support their chosen
statistical methods. FSIS also is proposing to make available to all
poultry slaughter establishments an electronic spreadsheet file that is
pre-programmed to calculate the monitoring measures for the guidance
sampling plan as results are entered.
In addition, FSIS is proposing to amend the recordkeeping
requirements under 9 CFR 381.65(h) to require that establishments
submit their microbial monitoring sampling results to FSIS
electronically. FSIS is developing a web portal that will allow
external partners to securely upload sampling information and submit it
to FSIS electronically in a machine-readable format.\3\ Should FSIS
finalize this proposal, the Agency would provide a template that
establishments could use to record and submit their monthly results.
Establishments that use the template to record the microbial monitoring
results may upload their completed template into the portal or they may
enter the information manually into the portal. Establishments that do
not use the template provided by FSIS to record their results would
need to manually enter microbial sampling data into the portal to
submit the monthly data.
---------------------------------------------------------------------------
\3\ In a format that provides a digital representation of data
or information that can be imported and read into a computer system
for further processing.
---------------------------------------------------------------------------
Under Component One of the October 2022 draft framework, FSIS
considered whether it should require poultry slaughter establishments
to characterize Salmonella as a hazard reasonably likely to occur at
receiving and require that incoming flocks be tested for Salmonella
before entering an establishment. This approach would require the flock
to meet a predetermined target level for Salmonella at receiving.
FSIS considered the available scientific research as well as input
from the NACMCF and concluded that, at this time, the research does not
support the use of a threshold for test results at the receiving step
to reduce or eliminate Salmonella from raw poultry products. In
addition, FSIS received several comments from small poultry processors
and producers and trade associations representing the meat and poultry
industries that expressed concerns that the measures under
consideration in Component One would impose an overwhelming burden on
small producers and processors. The comments also stated that requiring
that establishments determine that Salmonella is a hazard reasonably
likely to occur at receiving is inconsistent with HACCP principles.
While FSIS has decided at this time not to establish a regulatory
requirement that establishments characterize Salmonella as a hazard
reasonably likely to occur at receiving or that incoming flocks be
tested for Salmonella before entering an establishment, the Agency is
focusing on a non-regulatory approach for reducing the Salmonella load
on incoming birds. The Agency intends to provide updated guidance on
pre-harvest interventions and practices for preventing or reducing
Salmonella colonization of live birds. The Agency also will continue to
explore and develop strategies for industry to address Salmonella
contamination risk at receiving.
Costs and Benefits of the Proposed Rule and Proposed Determination
FSIS estimates this proposal would have a net benefit of $4.1
million per year, ranging from $1.1 million to $6.7 million, assuming
the proposed implementation schedule and annualizing over 10 years at a
7 percent discount rate, as discussed below (Table 1). This proposal is
estimated to cost industry $16.4 million per year, ranging from $3.3 to
$32.3 million. The main cost component in this proposal is the
requirement that establishments subject to FSIS verification sampling
for adulterants maintain control of sampled product pending test
results. This cost is likely an overestimate as discussed below.
Industry may also incur costs associated with HACCP plan
[[Page 64681]]
reassessments and changes to process control requirements.
FSIS estimates this proposal would result in benefits to society of
$20.5 million per year, ranging from $4.4 million to $39.0 million. The
majority of the benefits are derived from prevented illnesses of $12.9
million per year, ranging from $0.3 to $28.7 million. FSIS also
estimated avoided costs from a reduction in the risk of outbreak-
related recalls for industry. Additional industry actions in response
to this proposal may lead to additional benefits.
Table 1--Summary of Costs and Benefits
----------------------------------------------------------------------------------------------------------------
Total (million $)
Description -----------------------------------------------
Low Medium High
----------------------------------------------------------------------------------------------------------------
Costs:
Costs associated with the proposed rule:
Statistical Process Control................................. 0.04 0.04 0.04
Electronic data submission.................................. 0.18 0.18 0.18
HACCP plan reassessment..................................... 0.09 0.18 0.26
Costs associated with the proposed determination:
Maintaining control of sampled product...................... 2.11 14.47 29.26
Lost value to the industry.................................. 0.87 1.52 2.43
Microbiological sampling plan reassessment.................. 0.02 0.04 0.08
-----------------------------------------------
Total costs............................................. 3.31 16.43 32.25
Benefits and Avoided Costs:
Prevented illnesses from consumption of chicken products.... 0.09 4.35 15.11
Prevented illnesses from consumption of comminuted turkey... 0.19 8.58 13.55
Prevented outbreak-related recalls.......................... 4.16 7.56 10.34
-----------------------------------------------
Total benefits.......................................... 4.45 20.49 39.00
Net benefits........................................ 1.14 4.06 6.75
----------------------------------------------------------------------------------------------------------------
Note: All costs and benefits are annualized over 10 years at a 7 percent discount rate. Numbers in table may not
sum to totals due to rounding.
Table of Contents
I. Background
A. Salmonella in Poultry and Human Illnesses
1. Salmonella Illnesses Attributed to Poultry
2. Salmonella Performance Standards for Poultry
3. Salmonella Performance Standards and Illnesses
B. Consideration of Need for a New Framework To Control
Salmonella in Poultry
1. Petitions and Initial Stakeholder Input
2. FSIS Announces New Salmonella Effort
3. Activities Initiated To Support a New Salmonella Framework
4. Initial Measures Implemented To Address Salmonella Illnesses
Associated With Consumption of Poultry Products
C. Public Meeting on Salmonella Framework Under Consideration
and Public Comments
1. Public Meeting and Proposed Framework
2. Public Comments on the Proposed Framework
3. Additional Stakeholder Input
4. Overview of Modifications to the Proposed Salmonella
Framework
5. Severability
II. Component Three: Proposed Final Product Standards
A. Current Salmonella Performance Standards and Consideration of
an Alternative Approach
B. Pathogens as Adulterants in Raw and Not-Ready-To Eat Meat and
Poultry Products
C. The Adulteration Standard for Raw Poultry Products
1. Pathogen Serogroups or Types Associated With Human Illness
2. Dose Considerations
3. Severity of Illnesses
4. Consumer Cooking Practices
E. Risk per Serving, Salmonella Levels, and Proposed
Determination
1. Final Product Standards Salmonella Levels and Risk per
Serving
2. Proposed Determination
F. Proposed Policy Implementation
1. HACCP Reassessment
2. Proposed Implementation and Status of Laboratory Methods
III. Component Two: Enhanced Establishment Process Control
Monitoring
A. Background and Current Regulatory Requirements
B. Need To Enhance Establishment Process Control Monitoring
1. NACMCF Charge and Recommendations
2. PHIS Inspection Data
3. Exploratory Sampling Program Data
4. FSIS Risk Assessments
C. Proposals To Enhance Establishment Process Control Monitoring
1. SPC Monitoring
2. Microbial Monitoring Organism
3. Sampling Location
4. Sample Collection Monitoring Frequency
5. Corrective Actions
6. Recordkeeping Requirements
IV. Component One: Pre-Harvest Measures
A. Scientific Support and Public Comments
B. Possible Approaches To Control Salmonella at Pre-Harvest
1. National Poultry Improvement Program
2. Vaccination
3. Supply Chain Control Programs
4. Updated Pre-Harvest Guidance
V. State Programs and Foreign Government Programs
VI. Executive Orders 12866, as Amended by 14094, and 13563
VII. Regulatory Flexibility Act Assessment
VIII. Paperwork Reduction Act
IX. E-Government Act
X. Executive Order 12988, Civil Justice Reform
XI. E.O. 13175
XII. USDA Non-Discrimination Statement
XIII. Environmental Impact
XIV. Additional Public Notification
I. Background
A. Salmonella in Poultry and Human Illnesses
1. Salmonella Illnesses Attributed to Poultry
Salmonella in poultry is a significant food safety and public
health concern. The Centers for Disease Control and Prevention (CDC)
estimates that non-typhoidal Salmonella from all sources is responsible
for over 1.3 million illnesses, 26,500 hospitalized, and 420 deaths
each year in the United States.\4\ From this overall number, FSIS
estimates that there are 125,115 chicken-associated and 42,669 turkey-
associated foodborne Salmonella illnesses per year. These values are
[[Page 64682]]
calculated as the product of the total number of CDC FoodNet cases per
year (7,600),\5\ the share of these cases that are foodborne (66
percent) \6\ and of domestic origin (89 percent),\7\ and the under-
diagnosis multiplier for Salmonella (24.3),\8\ then dividing by the
FoodNet catchment area (15 percent).\9\ Finally, this number is
multiplied by the portion the Interagency Food Safety Analytics
Collaboration (IFSAC) estimates is attributable to chicken (17.3
percent) or turkey (5.9 percent).\10\ Uncertainty remains in the FSIS
estimation of chicken- and turkey-associated foodborne Salmonella
illnesses per year. These illness estimates are subject to the same
limitations encountered with other illness estimates.\11\ Nevertheless,
FSIS believes these are the best available estimates.
---------------------------------------------------------------------------
\4\ Collier SA, Deng L, Adam EA, et al. Estimate of Burden and
Direct Healthcare Cost of Infectious Waterborne Disease in the
United States. Emerging Infectious Diseases. 2021;27(1):140-149.
https://doi.org/10.3201%2Feid2701.190676.
\5\ Collins JP, Shah HJ, Weller DL, et al. Preliminary Incidence
and Trends of Infections Caused by Pathogens Transmitted Commonly
Through Food--Foodborne Diseases Active Surveillance Network, 10
U.S. Sites, 2016-2021. MMWR Morb Mortal Wkly Rep 2022;71:1260-1264.
DOI: https://doi.org/10.15585/mmwr.mm7140a2. Note: the most recent
annual FoodNet report was used for the total estimated FoodNet cases
annually.
\6\ Beshearse E, Bruce BB, Nane GF, Cooke RM, Aspinall W, Hald
T, et al. Attribution of Illnesses Transmitted by Food and Water to
Comprehensive Transmission Pathways Using Structured Expert
Judgment, United, States. Emerg Infect Dis. 2021;27(1):182-195.
https://doi.org/10.3201/eid2701.200316. Note: This article
represented a recent appraisal of the foodborne share of all
Salmonella illnesses.
\7\ Scallan E, Hoekstra RM, Angulo FJ, Tauxe RV, Widdowson MA,
Roy SL, Jones JL, Griffin PM. Foodborne illness acquired in the
United States--major pathogens. Emerg Infect Dis. 2011 Jan;17(1):7-
15. doi: 10.3201/eid1701.p11101. PMID: 21192848; PMCID: PMC3375761.
Note: This article outlines the general approach to estimating the
burden of domestic foodborne illnesses. It provides an estimate for
share of foodborne illnesses associated with foreign travel (11%)
that was supported in the more recent Collins et al. (2022) article
referenced above.
\8\ Ebel, E.D., Williams, M.S., & Schlosser, W.D. (2012).
Parametric distributions of underdiagnosis parameters used to
estimate annual burden of illness for five foodborne pathogens. J
Food Prot, 75, 775-778. https://doi.org/10.4315/0362-028X.JFP-11-345. Note: This article estimated parametric distributions for
uncertainty about the under-diagnosis multiplier based on the
Scallan et al. (2011) model assumptions.
\9\ Scallan et al. (2011).
\10\ Interagency Food Safety Analytics Collaboration. Foodborne
illness source attribution estimates for 2020 for Salmonella,
Escherichia coli O157, and Listeria monocytogenes using multi-year
outbreak surveillance data, United States. GA and DC: U.S.
Department of Health and Human Services, Centers for Disease Control
and Prevention, Food and Drug Administration, U.S. Department of
Agriculture's Food Safety and Inspection Service. 2022. Annually,
IFSAC releases a report that estimates foodborne illness source
attribution for major commodity groups, including Salmonella in
poultry products. At the time this proposal was developed, the 2019
IFSAC attribution estimates were the most recent data available.
IFSAC released a new annual report in November 2023, which includes
attribution estimates for 2020. In the 2023 report, IFSAC estimated
that 18.6 percent of Salmonella illnesses are attributed to chicken
products and 5.5 percent to turkey products, for a total 24.1
percent attributed to poultry products. FSIS intends to incorporate
the 2023 report attribution estimates if this rule becomes final.
\11\ Illness estimates from any risk assessment model are
limited by uncertainty, simply because they are models. As explained
by Food and Agriculture Organization of the World Health
Organization (FAO/WHO), ``uncertainty is a property of the
methodology and data used. Assessments with different methodologies
and data will have different levels of uncertainty regarding their
outputs. An understanding of uncertainty is important because it
provides insight into how the lack of knowledge can affect
decisions.'' See FAO/WHO Microbiological Risk Assessment Guidance
for Food (MRA 36) at 206. FAO/WHO goes on to say, ``It is the risk
managers' role to decide if the uncertainty of a risk assessment
output allows for a decision to be made or not.'' Id. FSIS fully
explored uncertainty in its risk assessment models to allow risk
managers to make a fully informed decision. Full details are on
pages 116-128 of the chicken risk assessment and pages 94-99 of the
turkey risk assessment. The code for these analyses has also been
provided.
---------------------------------------------------------------------------
Salmonella illnesses associated with poultry also represent a
considerable economic burden, particularly when accounting for not just
the direct medical costs, but also productivity losses, lost life
expectancy, chronic illness, and other associated pain and suffering. A
recent study estimates that the economic costs of Salmonella illnesses
in the United States associated with chicken is $2.8 billion
annually.\12\
---------------------------------------------------------------------------
\12\ Scharff R.L. Food Attribution and Economic Cost Estimates
for Meat and Poultry-Related Illnesses. Journal of Food Protection.
2020; 83(6): 959-967.
---------------------------------------------------------------------------
2. Salmonella Performance Standards for Poultry
FSIS is responsible for verifying that the nation's commercial
supply of meat, poultry, and egg products is safe, wholesome, and
properly labeled. In support of this mission, FSIS began its Salmonella
verification testing program with the PR/HACCP final rule, published on
July 25, 1996 (61 FR 38806). Among other things, the PR/HACCP final
rule established Salmonella pathogen reduction performance standards
for establishments that slaughter selected classes of food animals and/
or that produce selected classes of raw ground products.\13\ The
purpose of the Salmonella performance standards for raw product is to
allow FSIS to verify whether establishments have effective process
controls to address Salmonella. Since publishing the PR/HACCP final
rule, FSIS has updated the performance standards for poultry products
through a series of Federal Register notices.\14\
---------------------------------------------------------------------------
\13\ When FSIS initially implemented the Salmonella performance
standards, the regulations authorized FSIS to suspend inspection if
an establishment failed to take the corrective actions necessary to
comply with the performance standards, or if an establishment failed
to meet the standards on the third consecutive series of FSIS-
conducted tests for that product. However, the Agency's ability to
directly enforce the pathogen reduction performance standards has
been limited since 2001, after a ruling by the U.S. Court of Appeals
for the Fifth Circuit in Supreme Beef Processors, Inc. v. USDA, 275
F.3d 432 (5th Cir. 2001). In that case, the court enjoined FSIS from
suspending inspection services against a meat grinding operation for
failure to meet the Salmonella performance standards. Since that
time, FSIS has used Salmonella failures as a basis to conduct an in-
depth evaluation of the establishment's food safety systems,
including its HACCP plan and sanitation SOPs.
\14\ See Salmonella Verification Sample Result Reporting: Agency
Policy and Use in Public Health Protection (71 FR 9772, Feb 27,
2006); New Performance Standards for Salmonella and Campylobacter in
Young Chicken and Turkey Slaughter Establishments: Response to
Comments and Announcement of Implementation Schedule (76 FR 15282,
Mar 21, 2011); New Performance Standards for Salmonella and
Campylobacter in Not-Ready-to-Eat Comminuted Chicken and Turkey
Products and Raw Chicken Parts and Changes to Related Agency
Verification Procedures: Response to Comments and Announcement of
Implementation Schedule (81 FR 7285, Feb 11, 2016); Changes to the
Salmonella and Campylobacter Verification Testing Program: Revised
Categorization and Follow-Up Sampling Procedures (83 FR 56046, Nov
9, 2018).
---------------------------------------------------------------------------
FSIS has established Salmonella performance standards for young
chicken and turkey carcasses, raw chicken parts, and comminuted chicken
and turkey products. The current performance standards are expressed as
a fraction of the maximum number of allowable Salmonella-positive
results over a targeted number of samples collected and analyzed in a
52-week moving window (see Table 2). FSIS categorizes establishments
based on the Salmonella verification sampling results and posts the
categorization of all establishments subject to the performance
standards on the FSIS website.15 16 In addition, FSIS
schedules follow-up verification sampling, a Public Health Risk
Evaluation (PHRE),\17\
[[Page 64683]]
and possibly a Food Safety Assessment (FSA) \18\ for establishments
that do not meet the pathogen reduction performance standards. If,
after 90 days, an establishment has not been able to regain process
control, as determined from FSIS' follow-up sampling and from the
results of the PHRE or FSA, and the establishment has not taken
corrective actions, FSIS may take enforcement actions, such as by
issuing a NOIE or by suspending inspection, under the conditions and
according to the procedures described in 9 CFR part 500 (81 FR 7285,
7289). FSIS does not issue an NOIE or suspend inspection based solely
on the fact that an establishment did not meet a performance standard.
---------------------------------------------------------------------------
\15\ Salmonella Categorization of Individual Establishments for
Poultry Products at: https://www.fsis.usda.gov/science-data/data-sets-visualizations/microbiology/salmonella-verification-testing-program-monthly.
\16\ The category definitions under verification sampling are as
follows:
Category 1: Establishments that have achieved 50
percent or less of the maximum allowable percent positive during the
most recently completed 52- week moving window;
Category2: Establishments that meet the maximum
allowable percent positive but have results greater than 50 percent
of the maximum allowable percent positive during the most recently
completed 52-week moving window; and
Category 3: Establishments that have exceeded the
maximum allowable percent positive during the most recently
completed 52-week moving window.
\17\ The PHRE is an analysis of establishment performance based
on ``For-cause'' and ``Routine risk-based'' criteria, FSIS Directive
5100.4 Revision 2--Public Health Risk Evaluation Methodology
(usda.gov).
\18\ The purpose of an FSA is to conduct a risk-based, targeted
review of establishment food safety systems to verify that the
establishment is able to produce safe and wholesome meat or poultry
products in accordance with FSIS statutory and regulatory
requirements. FSIS Directive 5100.1--Food Safety Assessment
Methodology (usda.gov).
Table 2--Salmonella Performance Standards for Poultry Products
----------------------------------------------------------------------------------------------------------------
Minimum number of
Performance Maximum samples to
Product standard * acceptable assess process
percent positive control
----------------------------------------------------------------------------------------------------------------
Broiler Carcasses...................................... 5 of 51 9.8 11
Turkey Carcasses....................................... 4 of 56 7.1 14
Comminuted Chicken..................................... 13 of 52 25.0 10
Comminuted Turkey...................................... 7 of 52 13.5 10
Chicken Parts.......................................... 8 of 52 15.4 10
----------------------------------------------------------------------------------------------------------------
* The performance standard is represented as a fraction of the maximum allowable positives over the target
number of samples collected and analyzed in a 52-week window.
3. Salmonella Performance Standards and Illnesses
The current Salmonella performance standards are based on risk
assessments \19\ and are designed to achieve the Healthy People targets
for foodborne illness reduction. When FSIS implemented the performance
standards, the Agency expected that there would be an observed
reduction in Salmonella illnesses rates because a smaller proportion of
certain raw poultry products would likely be contaminated with
Salmonella than had been the case without standards (81 FR 7285). The
results of FSIS' Salmonella verification sampling show that the current
prevalence-based performance standards approach has been effective in
reducing Salmonella contamination in poultry.20 21 22
However, these measures have yet to have an observable impact on
Salmonella illnesses. With respect to foodborne illness reduction
goals, the Healthy People 2020 objectives had aimed to reduce the
annual number of foodborne illnesses caused by Salmonella from 15.0 per
100,000 population in 2006-2008 \23\. However, the CDC estimated that
in 2019, Americans experienced 17.1 per 100,000 population Salmonella
illnesses.\24\ This represents an increase of 14 percent from the 2006-
2008 baseline. As discussed below, there are likely several reasons why
the reduction in Salmonella contamination in poultry products has not
resulted in an observable impact on Salmonella illnesses.
---------------------------------------------------------------------------
\19\ Ebel, E.D., Williams, M.S., Golden, N.J., Marks, H.M.,
2012. Simplified framework for predicting changes in public health
from performance standards applied in slaughter establishments. Food
Control 28, 250-257; Williams, M.S., Ebel, E.D., Vose, D., 2011.
Framework for microbial food-safety risk assessments amenable to
Bayesian modeling. Risk Analysis 31, 548-565.
\20\ Ebel E.D., Williams M.S., and Schlosser W.D. (2017).
Estimating the Type II error of detecting changes in foodborne
illness via public health surveillance. Microbial Risk Analysis 7:
1-7. https://doi.org/10.1016/j.mran.2017.10.001.
\21\ Ebel, ED and Williams MS (2020). Assessing the
effectiveness of revised performance standards for Salmonella
contamination of comminuted poultry. Microbial Risk Analysis
14:100076. https://doi.org/10.1016/j.mran.2019.05.002.
\22\ Williams MS, Ebel ED, Golden NJ, Saini G, Nyirabahiizi E,
and Clinch N (2022). Assessing the effectiveness of performance
standards for Salmonella contamination of chicken parts.
International Journal of Food Microbiology 378: 109801. https://doi.org/10.1016/j.ijfoodmicro.2022.109801.
\23\ HHS Office of Disease Prevention and Health Promotion
archive. Healthy People 2020 at: https://wayback.archive-it.org/5774/20220414163116/https://www.healthypeople.gov/2020/topics-objectives/topic/food-safety/objectives.
\24\ Tack DM, Ray L, Griffin PM, et al. Preliminary Incidence
and Trends of Infections with Pathogens Transmitted Commonly Through
Food--Foodborne Disease Active Surveillance Network, 10 U.S. Sites,
2016-2019, MMWR Morb Mortal Wkly Rep 202;69:509-514. Available at:
https://www.cdc.gov/mmwr/volumes/69/wr/mm6917a1.htm#T1_down.
---------------------------------------------------------------------------
With respect to Salmonella illnesses associated with chicken and
turkey, one study found that the proportion of outbreaks associated
with these commodities was essentially unchanged from 1998-2017 and
that both the proportion of outbreaks and number of outbreaks
associated with chicken remained essentially constant.\25\ During that
period, the per capita annual consumption for pork, beef, and turkey
all declined between 9 percent and 22 percent, while annual consumption
of chicken increased by 15 percent.
---------------------------------------------------------------------------
\25\ Williams, M.S., & Ebel, E.D. (2022). Temporal changes in
the proportion of Salmonella outbreaks associated with 12 food
commodity groups in the United States. Epidemiology and infection,
150, e126. https://doi.org/10.1017/S0950268822001042.
---------------------------------------------------------------------------
The overall findings of another study indicated declining trends in
illness due to Salmonella serotypes associated with poultry and
increasing trends in illness due to Salmonella serotypes not associated
with poultry.\26\ However, illness attribution was not an objective of
the analysis. Thus, the observed illness declines may have been caused
by reduced risk in non-poultry sources that have poultry-like serotype
profiles.
---------------------------------------------------------------------------
\26\ Powell M.R. (2023). Trends in reported illnesses due to
poultry-and nonpoultry associated Salmonella serotypes; United
States 1996-2019. Risk Analysis. https://doi.org/10.1111/risa.14181.
---------------------------------------------------------------------------
The Healthy People 2030 target is to reduce the Salmonella illness
national case rate of 15.3 per 100,000 population in 2016-2018 by 25
percent, or to no more than 11.5 per 100,000 population per year.\27\
Thus, to reach the 2030 target, illnesses must be reduced by 25
percent. Although this target is for Salmonella illnesses from all
sources, FSIS has adopted the same target for foodborne illnesses
linked to FSIS-regulated products and aims to reduce these Salmonella
illnesses by 25 percent. To move closer to achieving this target, FSIS
has determined that it will need to adopt a new approach to more
effectively reduce foodborne illness associated with FSIS-regulated
products, starting with poultry as one of the leading food sources.
---------------------------------------------------------------------------
\27\ HHS Office of Disease Prevention and Health Promotion
archive. Healthy People 2030 at: https://health.gov/healthypeople/objectives-and-data/browse-objectives/foodborne-illness/reduce-infections-caused-Salmonella-fs-04/data?group=None&state=United+States&from=2016&to=2018&populations=&tab=data-table#data-table.
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[[Page 64684]]
B. Consideration of Need for a New Framework To Control Salmonella in
Poultry
1. Petitions and Initial Stakeholder Input
Consumer advocacy organizations and other stakeholders have noted
that the Healthy People Salmonella reduction targets have not been met
and have submitted petitions and letters to FSIS requesting that the
Agency revise its current approach for reducing Salmonella illnesses
associated with poultry. For example, in January 2020, Marler Clark LLP
submitted a petition on behalf of several individuals and consumer
advocacy organizations requesting FSIS to issue an interpretive rule to
declare 31 Salmonella serotypes that have been associated with
foodborne illness outbreaks to be adulterants of all meat and poultry
products.\28\ According to the petition, such action is needed to
protect the health and welfare of consumers by encouraging the meat and
poultry industry to engage in more effective oversight measures and
create and implement effective preventative measures.
---------------------------------------------------------------------------
\28\ Marler Clark LLP petition # 20-01 ``Petition for an
Interpretive Rule Declaring `Outbreak' Serotypes of Salmonella
enteritica subspecies to be Adulterants'' dated January 19, 2020.
Available at: https://www.fsis.usda.gov/policy/petitions/petition-interpretive-rule-related-certain-Salmonella-serotypes.
---------------------------------------------------------------------------
In May 2022, FSIS denied the petition without prejudice, citing a
lack of sufficient data available to support the sweeping actions
requested in the petition. In the response, FSIS agreed that an updated
Salmonella strategy is necessary to reduce Salmonella illnesses
associated with poultry and described how FSIS was working towards
gathering data and information necessary to support a revised
strategy.\29\
---------------------------------------------------------------------------
\29\ FSIS Final Response to Petition #20-01, May 31, 2022.
Available at: https://www.fsis.usda.gov/policy/petitions/petition-interpretive-rule-related-certain-Salmonella-serotypes.
---------------------------------------------------------------------------
On January 25, 2021, the Center for Science in the Public Interest
(CSPI) and other consumer advocacy organizations petitioned FSIS to
establish enforceable standards targeting Salmonella types of greatest
public health concern and all Campylobacter \30\ in poultry.\31\
Referencing the Healthy People reduction goals, the petition asserted
that FSIS' current performance standards have not been effective in
reducing Salmonella illnesses because they aim to reduce the prevalence
of all Salmonella rather than prioritizing control efforts for the
Salmonella serotypes most likely to make people sick. The petition laid
out several suggestions for standards that FSIS could use to address
Salmonella in poultry. The petition recommended that FSIS work with
stakeholders and other public health agencies to establish enforceable
final product standards to target Salmonella serotypes of greatest
public health concern with an aim to eliminate these strains from
poultry products over time. The petition also suggested that FSIS
consider revising the current prevalence-based Salmonella performance
standard to provide for quantitative testing and add Salmonella levels
to the performance standards criteria to better ensure that when
Salmonella is present on a product, it is present at low levels less
likely to cause human illness. The petition asserted that FSIS is
authorized to deem poultry products that contain virulent Salmonella
strains and that contain pathogen levels above a set threshold to be
adulterated under the PPIA because more virulent serotypes and certain
levels of Salmonella are more likely to render poultry products
injurious to health as defined in 21 U.S.C. 453(g)(1).
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\30\ While the CSPI requested that FSIS take actions related to
both Salmonella and Campylobacter, FSIS is currently focusing on re-
evaluating its approach to prevent Salmonella illnesses associated
with poultry.
\31\ CSPI petition #21-01, ``Petition to Establish Enforceable
Standards Targeting Salmonella Types of Greatest Public Health
Concern while Reducing all Salmonella and Campylobacter in Poultry,
and to Require Supply Chain Controls'' (January 25, 2021) at:
https://www.fsis.usda.gov/policy/petitions/petition-submitted-center-science-public-interest.
---------------------------------------------------------------------------
The 2021 CSPI petition also requested that FSIS initiate rulemaking
to require that poultry establishments identify and control foodborne
hazards within their supply chains, including Salmonella. The petition
stated that supply chain interventions may include targeted vaccines
developed for specific Salmonella serotypes and purchasing chicks from
suppliers certified to be free of priority serotypes. The petition
asserted that FSIS is authorized to require supply chain controls
through the current HACCP regulations, which direct establishments to
address, as appropriate, hazards both introduced in the establishment
and introduced outside the establishment, including food safety hazards
that occur before entry into the establishment (9 CFR 417.2). The
petition also asserted that FSIS has authority to verify the
effectiveness of supply chain controls under the PPIA's antemortem
inspection authority, which requires FSIS to conduct an antemortem
inspection in each official establishment processing poultry or poultry
products for commerce or otherwise subject to inspection under the PPIA
``where and to the extent considered . . . necessary,'' ``[f]or the
purpose of preventing the entry into or flow or movement in commerce of
. . . any poultry product which is capable of use as human food and is
adulterated'' (21 U.S.C. 455(a)). FSIS has not yet responded to the
2021 CSPI petition but has considered the issues raised in developing
this proposal.
In September 2021, FSIS received a letter from the Food Safety
Coalition (FSC), a coalition of several food safety leaders, public
health and consumer advocates, scientists, and members of the food
industry. Like the CSPI petition, the FSC letter noted that although
FSIS' current prevalence-based pathogen reduction performance standards
have led to reduced occurrence of Salmonella contamination in poultry
products, the Healthy People 2020 goals set by the Department of Health
and Human Services in 2010 for lowering Salmonella and Campylobacter
illness rates were not being met. The FSC letter stated that the likely
reason is that FSIS' current Salmonella performance standards do not
effectively target the particular types of Salmonella and products
containing Salmonella levels that pose the greatest risks of illness.
The letter stated that a new approach is needed to achieve the new
Healthy People 2030 Salmonella illness rate target and presented
several suggested changes to help reduce the rates of foodborne
illness. The proposed changes recommended by the FSC included
establishing modernized enforceable pathogen standards that ``invite
innovation,'' as well as modernizing the HACCP framework to address
risk reduction across the full production process, including defining
the responsibility of poultry processors to consider pre-harvest
practices and interventions in their HACCP plans.\32\
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\32\ Food Safety Coalition Letter, September 2, 2021. Available
at: https://www.fsis.usda.gov/inspection/inspection-programs/inspection-poultry-products/reducing-salmonella-poultry.
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2. FSIS Announces New Salmonella Effort
After considering the available data on Salmonella illnesses
associated with poultry as well as the initial stakeholder input
discussed above, on October 19, 2021, FSIS announced that it was
mobilizing a stronger, and more comprehensive effort to reduce
Salmonella illnesses associated with poultry products.\33\ In the
[[Page 64685]]
announcement, FSIS explained that the Agency would be initiating
several key activities to gather the data and information necessary to
support future action and move closer to the national target of a 25
percent reduction in Salmonella illnesses. The announcement also stated
that FSIS intended to seek stakeholder feedback on specific Salmonella
control and measurement strategies as well as using data to determine
if there are other approaches to reduce Salmonella. The announcement
noted that the effort would leverage USDA's strong research
capabilities and highlighted that FSIS would ask the National Advisory
Committee for Microbiological Criteria in Foods (NACMCF) to advise the
Agency on how it can build on the latest science to improve its
approach to Salmonella control. The announcement emphasized that FSIS
would work closely with stakeholders on informing and implementing key
activities of this framework.
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\33\ USDA Press Release, ``USDA Launches New Effort to Reduce
Salmonella Illnesses Linked to Poultry'' (October 19, 2021) at:
https://www.usda.gov/media/press-releases/2021/10/19/usda-launches-new-effort-reduce-salmonella-illnesses-linked-poultry.
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Following this announcement, the Coalition for Poultry Safety
Reform, a multistakeholder coalition that includes individuals and
organizations representing consumers, victims of foodborne illness,
food safety scientists, food safety officials, and members of the
poultry industry, submitted a letter to the USDA Deputy Under Secretary
for Food Safety in 2022 expressing support for a new effort to address
Salmonella. The letter requested that FSIS focus its efforts on
developing new regulatory standards related to Salmonella covering both
products and supply chains and that these standards be informed by a
risk assessment based on existing data.\34\ The letter recommended that
FSIS adopt enforceable product standards aimed at reducing risk of
illness and develop and conduct a risk assessment to understand illness
reduction benefits of various product standards.
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\34\ Coalition for Poultry Safety Reform Letter, February 2,
2022. Available at: https://www.fsis.usda.gov/inspection/inspection-programs/inspection-poultry-products/reducing-salmonella-poultry.
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3. Activities Initiated To Support a New Salmonella Framework
After FSIS announced its new initiative to reduce Salmonella
illnesses associated with poultry products, the Agency initiated
several activities designed to gather data and information to inform
and support future actions related to this new effort.
National Advisory Committee Charge. On October 20, 2021, FSIS
announced a public meeting of NACMCF from November 17, 2021, to
November 19, 2021, to discuss, among other things, a new charge focused
on enhancing Salmonella control in poultry products.\35\ Specifically,
FSIS charged the NACMF Subcommittee on Enhancing Salmonella Control in
Poultry Products to provide guidance on the overarching risk management
question: What types of microbiological criteria (e.g., Salmonella
performance standards) might FSIS use to encourage reductions in
Salmonella in poultry products so that they are more effective in
preventing human Salmonella infections associated with these products?
\36\ FSIS also requested that the Subcommittee provide guidance on nine
additional specific risk management questions. On April 25, 2022,
NACMCF held a Subcommittee meeting for the workgroups addressing each
of the questions in FSIS' charge to provide an update to the entire
Subcommittee on their progress and to look at the overall timeline for
completing the work of the Subcommittee.\37\ On November 15, 2022,
NACMCF held a virtual public meeting to discuss and vote on the
Subcommittee's report on Enhancing Salmonella Control in Poultry
Products, which had been posted to the FSIS website on November 1,
2022.\38\ NACMCF adopted the final report pending finalization with
consideration given to oral comments provided at the virtual public
meeting and written comments submitted as directed in a Federal
Register notice announcing the public meeting.\39\ The comment period
for the NACMCF report was scheduled to close on November 15, 2022, but
was extended to December 30, 2022, to provide 60 days for public
review.\40\ After considering the public comments, NACMCF finalized its
report on March 13, 2023. The final report ``Response to Questions
Posed by the Food Safety and Inspection Service: Enhancing Salmonella
Control in Poultry Products'' (referred to as the 2023 NACMCF report in
this document) is available to the public on the FSIS website at:
https://www.fsis.usda.gov/policy/advisory-committees/national-advisory-committee-microbiological-criteria-foods-nacmcf/2021.
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\35\ National Advisory Committee Meeting on Microbiological
Criteria for Foods (NACMF) Public Meeting --November 2021. Available
at: https://www.fsis.usda.gov/news-events/events-meetings/national-advisory-committee-microbiological-criteria-foods-nacmcf-2.
\36\ 2021-2023 National Advisory Committee Meeting on
Microbiological Criteria for Foods (NACMF); FSIS Charge: Enhancing
Salmonella Control in Poultry Products Available at: https://www.fsis.usda.gov/policy/advisory-committees/national-advisory-committee-microbiological-criteria-foods-nacmcf/2021.
\37\ NACMCF FSIS Charge: Enhancing Salmonella Control in
Poultry, April 25, 2022. Available at: https://www.fsis.usda.gov/news-events/events-meetings/national-advisory-committee-microbiological-criteria-foods-nacmcf-fsis.
\38\ Public Meeting; National Advisory Committee on
Microbiological Criteria for Food, Nov 15, 2022. Available at:
https://www.fsis.usda.gov/news-events/events-meetings/public-meeting-national-advisory-committee-microbiological-criteria.
\39\ Public Meeting National Advisory Committee on
Microbiological Criteria for Food (87 FR 64001). Available at:
https://www.fsis.usda.gov/policy/federal-register-rulemaking/federal-register-notices/public-meeting-national-advisory.
\40\ FSIS Constituent Update--Nov 10, 2022: Deadline Extended to
Comment on NACMCF Document. Available at: https://www.fsis.usda.gov/news-events/news-press-releases/constituent-update-november-10-2022.
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Pilot Projects. In December 2021, FSIS announced in its Constituent
Update that the Agency was inviting poultry slaughter and processing
establishments to submit proposals for pilot projects that will test
different control strategies for Salmonella contamination in poultry
products.\41\ The announcement explained that pilot projects would last
for a defined period, during which establishments would experiment with
new or existing pathogen control and measurement strategies and share
data collected during the pilots with FSIS. The announcement included
instructions on how interested establishments could submit proposals
for pilots to FSIS. FSIS intended to analyze the data generated under
the pilots to determine whether it supports changes to FSIS' existing
Salmonella control strategies.
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\41\ FSIS Constituent Update--Dec 3, 2021: FSIS Seeking
Proposals for Pilot Projects to Control Salmonella in Poultry
Slaughter and Processing Establishments. Available at: https://www.fsis.usda.gov/news-events/news-press-releases/constituent-update-december-3-2021.
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Since March 2023, FSIS has granted pilot projects to 9
establishments to examine the merits and logistics of excluding
Salmonella poultry vaccine strains from the FSIS Salmonella performance
categorization calculations. After evaluating the data collected under
these pilots, on March 1, 2024, FSIS announced that beginning April 1,
2024, it intends to exclude current commercial vaccine subtypes
confirmed in FSIS raw poultry samples from the calculation used to
categorize establishments under the raw poultry Salmonella performance
standards.\42\ This action is intended to remove barriers to the use of
vaccination as an important pre-harvest intervention to
[[Page 64686]]
control Salmonella in poultry. A summary report of the data from these
pilots is posted on the Pilot Projects: Salmonella Control Strategies
page of the FSIS website at: https://www.fsis.usda.gov/inspection/inspection-programs/inspection-poultry-products/reducing-salmonella-poultry/pilot.
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\42\ FSIS Constituent Update--March 1, 2024: FSIS Intends to
Exclude Vaccine Strains from the FSIS Salmonella Performance
Categorization at: https://www.fsis.usda.gov/news-events/news-press-releases/constituent-update-march-1-2024.
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On September 23, 2023, FSIS granted a pilot to 2 establishments to
examine the merits of using preharvest results to optimize
establishment interventions.\43\ The data generated under the pilot
will be shared with and analyzed by FSIS to determine whether it
supports changes to FSIS' Salmonella control strategies.
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\43\ Pilot Projects: Salmonella control strategies. Current
Salmonella Pilot Participants available at: https://www.fsis.usda.gov/inspection/inspection-programs/inspection-poultry-products/reducing-salmonella-poultry/pilot.
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Research and Science Roundtable. On February 15, 2022, FSIS held a
research and science roundtable on Salmonella in poultry.\44\ The
intent of the roundtable was to convene research scientists to discuss
the scientific support for various potential components of a revised
strategy for Salmonella control in poultry. Among the topics discussed
at the roundtable were: research on surveillance and risk assessments
to evaluate the public health impact of the presence of Salmonella
serotypes of concern and levels of contamination at production;
research on Salmonella serotype dynamics in poultry production;
research to identify pre-harvest food safety challenges and solutions;
research modeling and correlation analysis work on pre-harvest in
poultry; research on interventions to control Salmonella in preharvest
and postharvest poultry production; and research in the area of
microbial biomapping of indicators and pathogenic loads throughout the
processing chain and using pre-harvest and post-harvest quantification
data to develop SPC programs. The presentations on these topics and
other materials associated with the research roundtable are available
to the public on the FSIS website at: https://www.fsis.usda.gov/news-events/events-meetings/Salmonella-poultry-research-and-science-roundtable.
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\44\ Salmonella in Poultry: Research and Science Roundtable.
Available at: https://www.fsis.usda.gov/news-events/events-meetings/Salmonella-poultry-research-and-science-roundtable.
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Exploratory Sampling Program and New Salmonella Quantification
System. In April 2022, FSIS initiated an exploratory program that
expanded young chicken carcass sampling at establishments subject to
the young chicken carcass performance standard.\45\ The purpose of the
exploratory sampling program was to generate microbial data to inform
the Agency's effort to reduce Salmonella illnesses attributable to
poultry. Under the program, in addition to the FSIS Salmonella
verification sample already collected at post-chill, FSIS inspection
program personnel (IPP) began collecting a second carcass sample at
rehang from the same flock. In addition, FSIS IPP were instructed to
collect the regularly scheduled National Antibiotic Resistance
Monitoring System (NARMS) cecal samples from the same flock as the
rehang and post-chill samples. The samples collected under the
exploratory sampling program were initially analyzed for the presence
of Salmonella and AC. FSIS IPP also completed a questionnaire at the
time they collected exploratory samples to collect data on pre-harvest
and slaughter interventions applied to the same flocks. A report on the
exploratory sampling results is available at: https://www.regulations.gov/docket/FSIS-2023-0028.
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\45\ FSIS Constituent Update--April 22, 2022: FSIS Expands
Salmonella Sampling for Young Chicken Carcasses. Available at:
https://www.fsis.usda.gov/news-events/news-press-releases/constituent-update-april-22-2022.
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In August 2022, FSIS announced that FSIS laboratories would begin
using new technology to quantify Salmonella in raw poultry rinses and
updated the exploratory sampling program for young chickens to quantify
confirmed Salmonella positive rehang and post-chill carcass results
using the new quantification system.\46\ These analyses were in
addition to the whole genome sequencing (WGS) that FSIS had already
been performing on confirmed Salmonella-positive post-chill carcass
samples.
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\46\ FSIS Constituent Update--Aug 5, 2022: FSIS to include
Salmonella Quantification in all Poultry Rinse Samples. Available
at: https://www.fsis.usda.gov/news-events/news-press-releases/constituent-update-august-5-2022-0. FSIS Notice 44-22, Revised Young
Chicken Exploratory Sampling Program, Aug 11, 2022.
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On January 30, 2023, FSIS added Salmonella quantification testing
and AC indicator analyses to chicken part rinsates.\47\ FSIS added
these two analyses to comminuted chicken testing on February 27, 2023,
and to comminuted turkey on April 3, 2023. Salmonella quantification is
a significant step in updating the diagnostic capabilities of FSIS'
food testing laboratories. The data generated from the new
quantification system along with the data collected from the young
chicken carcass exploratory sampling program were used to help inform
the policies discussed in this document, including the quantitative
microbial risk assessments to evaluate Salmonella in raw poultry
discussed below. The data generated from the quantification system have
also been added to FSIS' quarterly dataset release and are available
at: https://www.fsis.usda.gov/science-data/data-sets-visualizations/laboratory-sampling-data.
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\47\ FSIS Constituent Update--Feb 3, 2023: FSIS to Expand
Salmonella Enumeration and Aerobic Count Indicator Testing to Other
Poultry Products. Available at: https://www.fsis.usda.gov/news-events/news-press-releases/constituent-update-february-3-2023.
Notice 83-23, New Sampling Instructions and Testing for Chicken
Parts and NRTE Comminuted Poultry, Feb 3, 2023. Available at:
https://www.fsis.usda.gov/policy/fsis-notice/08-23.
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Risk Profile. In May 2022, FSIS initiated a risk profile for
Salmonella subtypes in poultry linked to foodborne illness. FSIS
developed the risk profile to provide information on whether certain
serotypes or subtypes of Salmonella should be considered as adulterants
in specific poultry products within the meaning of the PPIA (21 U.S.C.
453(g)). The risk profile involved a comprehensive systematic review of
literature and supporting data designed to provide responses to the
following six risk management questions:
1. What Salmonella serotypes or subtypes are linked to foodborne
illness or outbreaks from consuming specific raw or not-ready-to-eat
chicken or turkey products?
2. Are these Salmonella serotypes or subtypes of concern present in
live chickens, live turkeys, and poultry products?
3. Can exposure to a small number of these Salmonella serotypes or
subtypes of concern result in foodborne illness?
4. Can exposure to these Salmonella serotypes or subtypes of
concern cause severe, debilitating health outcomes?
5. How can these Salmonella serotypes or subtypes of concern be
differentiated from other Salmonella subtypes?
6. Would ordinary consumer handling or preparation practices affect
exposure to Salmonella serotypes or subtypes of concern?
The risk profile was submitted for independent peer-review \48\ and
updated in response to peer review comments. The results of the risk
profile and how they were used to inform specific measures proposed in
this document are discussed below. The final Risk Profile for
Pathogenic Salmonella in Poultry (referred to as the 2023 risk profile
in
[[Page 64687]]
this document) is available at: https://www.regulations.gov/docket/FSIS-2023-0028.
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\48\ Peer Review Plan: Risk Profile for Salmonella Subtypes in
Poultry Products Linked to Foodborne Illness (usda.gov).
---------------------------------------------------------------------------
Risk Assessments FSIS Developed to Inform Rulemaking. FSIS
conducted two new quantitative microbial risk assessments, one for
Salmonella in chicken and one for Salmonella in turkey, to inform the
Agency's new framework for reducing Salmonella attributed to poultry
consumed in the United States. FSIS expanded on this work through a
Cooperative Agreement (FSIS-02152022) with the University of Maryland's
Joint Institute for Food Safety and Applied Nutrition (UMD-JIFSAN), in
partnership with EpiX Analytics, to differentiate Salmonella serotypes
by virulence using advanced bioinformatics (i.e., machine learning) to
evaluate genomic data.\49\ The risk assessments address the following
risk management questions:
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\49\ FSIS Constituent Update--July 1, 2022: FSIS Announces
Cooperative Agreement on Salmonella Risk Assessments. Available at:
https://www.fsis.usda.gov/news-events/news-press-releases/constituent-update-july-1-2022. Salmonella Risk Assessments and Risk
Management Questions at: https://www.fsis.usda.gov/inspection/inspection-programs/inspection-poultry-products/reducing-Salmonella-poultry/Salmonella-1.
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1. What is the public health impact (change in illnesses,
hospitalizations, and deaths) achieved by eliminating at receiving a
proportion of chicken (or turkey) contaminated with specific levels of
Salmonella and/or specific Salmonella subtypes?
2. What is the public health impact (change in illnesses,
hospitalizations, and deaths) achieved by eliminating final product
contaminated with specific levels of Salmonella and/or specific
Salmonella subtypes?
3. What is the public health impact of monitoring/enforcing process
control from rehang to post-chill? Monitoring could include analytes
such as Enterobacteriaceae Count (EB), AC, or other indicator
organisms, analysis could include presence/absence or levels and the
monitoring could also include variability of actual result versus
expected result, log reduction, absolute sample result, or other
individual establishment specific criteria.
4. What is the public health impact of implementing combinations of
the risk management options listed above?
The risk assessments were submitted for independent peer-review
\50\ and updated in response to peer review comments. The risk
assessments, and the manner in which the results were used to inform
specific measures proposed in this document, are discussed below. The
final Quantitative Risk Assessment for Salmonella in Raw Chicken and
Raw Chicken Products and Quantitative Risk Assessment for Salmonella in
Raw Turkey and Raw Turkey Products (referred to as the 2023 risk
assessments in this document) are available at: https://www.regulations.gov/docket/FSIS-2023-0028.
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\50\ Peer Review Plan: Quantitative Microbial Risk Assessment of
Salmonella in Chicken Products available at: https://www.fsis.usda.gov/sites/default/files/media_file/documents/FSIS_Salmonella_Peer_Review_Plan_Chicken.pdf.Peer Review Plan:
Quantitative Microbial Risk Assessment of Salmonella in Turkey
Products available at: https://www.fsis.usda.gov/sites/default/files/media_file/documents/FSIS_Salmonella_Peer_Review_Plan_Turkey.pdf.
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4. Initial Measures Implemented To Address Salmonella Illnesses
Associated With Consumption of Poultry Products
After FSIS announced its new Salmonella initiative in October 2021,
in addition to initiating the activities to gather data to inform and
support a new Salmonella Framework discussed above, the Agency
implemented some initial measures to support this effort.
Salmonella Key Performance Indicator. As part of USDA's strategic
and performance planning process for fiscal years (FY) 2022-2026, FSIS
established a new ``key performance indicator'' (KPI) targeted to
reduce the proportion of poultry samples with Salmonella serotypes
commonly associated with human illnesses.\51\ This KPI is a measure
that is used to evaluate FSIS' progress towards reaching its objectives
and goals identified in both Agency and USDA strategic plans and will
serve as a metric for success for the USDA FY 2022-2026 Strategic Plan.
FSIS analyzed historical Agency sampling data, in addition to FoodNet
Fast data from the CDC, to determine the top three Salmonella serotypes
commonly associated with human illness for this measure. The analysis
found that these serotypes are Infantis, Enteritidis, and Typhimurium.
FSIS will use annual targets to track progress toward reducing the
proportion of poultry samples with the KPI serotypes and is seeking a 2
percent reduction each year, with the goal of achieving a 10 percent
reduction by FY 2026. KPI serotypes are useful for strategic and
performance planning purposes, and these may differ from the serotypes
of public health significance (which will likely change over time as
the serotypes commonly associated with human illnesses change).
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\51\ FY2022-2024 Food Safety Key Performance Indicator.
Available at: https://www.fsis.usda.gov/inspection/inspection-
programs/inspection-poultry-products/reducing-Salmonella-poultry/
Salmonella-0#:~:text=FY2022-
2026FoodSafetyKeyPerformanceIndicatorA,theUSDAFiscalYear28FY292022-
2026StrategicPlan.
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Final Determination. On August 1, 2022, FSIS announced that it
would be declaring Salmonella as an adulterant in breaded and stuffed
not-ready-to-eat (NRTE) chicken products (also referred to as ``NRTE
breaded stuffed chicken products'').\52\ These products contain raw,
comminuted chicken breast meat, trim, or whole chicken breast meat, but
the finished product is heat-treated only to set the batter or breading
on the exterior of the product, which may impart an RTE appearance.\53\
Although the labeling of NRTE breaded stuffed chicken products has
undergone significant changes over time to better inform consumers that
the products are raw and to provide instructions on how to prepare them
safely, these products continue to be associated with Salmonella
illness outbreaks. Based on information from Salmonella illness
outbreaks associated with NRTE breaded stuffed chicken products and
information from research on consumer handling practices with respect
to these products, FSIS concluded that labeling that informs consumers
that these products are raw and how to prepare them safely fails to
sufficiently protect consumers from illness.
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\52\ Salmonella as an Adulterant in Breaded Stuffed Raw Chicken
Products (Aug 1, 2022). Available at: https://www.usda.gov/media/press-releases/2022/08/01/usda-announces-action-declare-Salmonella-adulterant-breaded-stuffed.
\53\ FSIS Directive 5300.1, Revision 1. Managing the
Establishment Profile in the Public Health Information System.
(usda.gov). See attachment 2 ``NRTE Stuffed Chicken Products that
appear RTE.''
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On April 28, 2023, FSIS published a proposed determination to
declare that NRTE breaded stuffed chicken products that contain
Salmonella at levels of 1 cfu per gram or higher are adulterated within
the meaning of the PPIA (88 FR 26249). FSIS also proposed to carry out
verification procedures, including sampling and testing of the chicken
component of NRTE breaded stuffed chicken products prior to stuffing
and breading, to ensure producing establishments control Salmonella in
these products. The comment period for the proposed determination was
scheduled to close on June 27, 2023, but was extended to August 11,
2023, in response to requests from members of the regulated
industry.\54\
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\54\ FSIS Constituent Update--July 21, 2023: FSIS Extends
Comment Period on Proposed Determination: Salmonella in Not-Ready-
To-Eat Breaded Stuffed Chicken Products. Available at: https://
www.fsis.usda.gov/news-events/news-press-releases/constituent-
update-july-21-
2023#:~:text=FSISisextendingthecommentperiodonthe,FSISextendedthedead
lineuntilJuly272023.
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[[Page 64688]]
FSIS received 3,386 comments on the proposed determination. After
careful consideration of the comments, on May 1, 2024, FSIS finalized
the determination as proposed, with one change (89 FR 35033). Instead
of collecting samples after the establishment has completed all
processes needed to prepare the chicken component to be stuffed and
breaded to produce a final NRTE breaded stuffed chicken product, as was
proposed, FSIS will collect verification samples on the raw incoming
chicken components. This change was intended to provide greater
flexibility and reduce costs to industry.
As noted above, NRTE breaded stuffed chicken products are
adulterated if they contain Salmonella at 1 cfu/g or higher, regardless
of the Salmonella serotype. FSIS adopted this approach for NRTE breaded
stuffed chicken products because these products present a unique public
health risk. Unlike raw chicken carcasses, chicken parts, comminuted
chicken, and comminuted turkey, NRTE breaded stuffed chicken products
may have a cooked appearance, are thicker in diameter than many other
poultry products, contain multiple ingredients, and are typically
cooked from a frozen state. In addition, outbreak data cited in the
NRTE breaded stuffed chicken proposal indicate that these products have
been consistently and disproportionately associated with Salmonella
illness outbreaks over the years. As FSIS acknowledged in the NRTE
breaded stuffed chicken proposed and final determination, although not
all Salmonella serotypes are equally likely to cause illness, all
serotypes have the ability to invade, replicate, and survive in human
host cells, resulting in potentially serious disease. Thus, because of
the unique public health risk associated with NRTE breaded stuffed
chicken products, FSIS determined that these products are adulterated
if they contain any Salmonella stereotypes at or above 1 cfu/g.
C. Public Meeting on Salmonella Framework Under Consideration and
Public Comments
1. Public Meeting and Proposed Framework
On October 17, 2022, FSIS published a Federal Register notice
announcing that it was hosting a virtual public meeting on November 3,
2022, to discuss a regulatory framework that the Agency was considering
for a new strategy to control Salmonella in poultry products and more
effectively reduce foodborne Salmonella infections linked to these
products (87 FR 62784). In the notice, FSIS shared the key elements of
the framework under consideration and stated that the Agency was
soliciting comments from stakeholders on all elements of the draft
framework, both at the public meeting and in written comments submitted
in response to the Federal Register notice, before moving forward with
any proposed changes to regulations or other actions. The Agency also
made a document outlining the regulatory framework under consideration
available to the public before the public meeting by publishing it on
the FSIS website.\55\
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\55\ Proposed Regulatory Framework to Salmonella Illnesses
Attributable to Poultry. Available at: https://www.fsis.usda.gov/inspection/inspection-programs/inspection-poultry-products/reducing-Salmonella-poultry/proposed.
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The three components under consideration in the draft framework
included:
1. Requiring that incoming flocks be tested for Salmonella before
entering an establishment;
2. Enhancing establishment process control monitoring and FSIS
verification; and
3. Implementing an enforceable final product standard.
The framework under consideration also addressed cross-cutting
issues associated with testing for Salmonella, considerations for small
and VS establishments, and data sharing. FSIS specifically requested
comments on factors the Agency should consider relative to the
approaches outlined in each of the components, how each component can
be strengthened, and where are there gaps in the framework. FSIS also
requested comments on relevant scientific evidence or examples of how
the components may be implemented or the impacts they may have on human
Salmonella illnesses.
At the November 3, 2022, public meeting, stakeholders presented
oral comments to FSIS panels comprised of FSIS leadership and experts
on the three separate components of the framework and the cross-cutting
issues. The primary purpose of the panels was to listen to stakeholder
input and ask clarifying questions as needed.\56\ In addition to the
oral comments presented at the public meeting, FSIS also provided an
opportunity for the public to submit written comments on the framework.
The comment period for submitted written comments was scheduled to
close on November 16, 2022, but was extended to December 16, 2022, to
allow stakeholders sufficient time to take into consideration the
discussion at the November 3, 2022, public meeting.\57\ A summary of
the general issues raised by the public comments is discussed below.
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\56\ A transcript of the public meeting and other related
materials are available to the public on the FSIS website at:
https://www.fsis.usda.gov/news-events/events-meetings/public-meeting-reducing-Salmonella-poultry.
\57\ FSIS Constituent Update--Oct 28, 20222: FSIS Extends Public
Meeting and Comment Period on Proposed Salmonella Framework.
Available at: https://www.fsis.usda.gov/news-events/news-press-releases/constituent-update-october-28-2022-1.
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2. Public Comments on the Proposed Framework
During the comment period for the proposed framework, FSIS received
1,034 comments. Seven hundred seventy-three comments were identical or
similar comment letters from individuals in support of the proposed
framework, and 75 were identical or similar comment letters from
individuals opposed to the proposed framework. One consumer advocacy
organization submitted a comment letter with a spreadsheet containing
4,916 names in support of the framework. Another consumer advocacy
organization submitted a comment letter with a spreadsheet containing
3,487 names in support of the framework. FSIS also received 149 unique
comments from individuals, most in opposition to the proposed
framework. In addition to the individual comments and form letters,
FSIS received approximately 35 separate comment letters from trade
associations representing the meat and poultry industries, consumer
advocacy organizations, animal welfare advocacy organizations, small
poultry growers and processors, organizations that support independent
family farmers, a large meat producer, a trade association representing
the veterinary profession, a State Department of Agriculture, an
organic/sustainable agriculture organization, a biotech company
representative, a meat scientist, and academics. The general issues
raised on each of the components under consideration in the framework
and on the cross-cutting issues are described below.
Comments on Component One. Component One of the draft framework
considered whether FSIS should require slaughter establishments to
characterize Salmonella as a hazard reasonably likely to occur at
receiving and require that incoming flocks be tested for Salmonella
before entering an establishment. Under this approach, the flock would
be required to meet a predetermined target for Salmonella at
[[Page 64689]]
receiving, which may be industry-wide or establishment-specific. The
establishment would be required to demonstrate that its subsequent
process will be effective in reducing Salmonella so that the product
meets the final product standard under consideration in Component
Three.
Comments from individuals, consumer advocacy organizations, and
animal welfare advocacy organizations expressed general support for the
measures under consideration in Component One. A consumer advocacy
organization commented that requiring incoming flocks be tested for
Salmonella would provide incentives for producers to adopt effective
pre-harvest measures and for establishments to take action to further
reduce food safety risks from flocks failing the incoming Salmonella
target, such as slaughtering more contaminated flocks at the end of the
day.
Comments from small poultry processors and producers, organizations
representing small poultry producers and independent family farmers,
and trade associations representing the meat and poultry industries
expressed concerns that the measures under consideration in Component
One would impose an overwhelming burden on small producers. An
organization representing small poultry producers and several
individual comments stated that requiring that flocks be tested for
Salmonella before they enter an establishment would add delays and
costs that small operators cannot afford.
Several comments, including comments from trade associations
representing the meat and poultry industries and organizations that
support independent family farmers, asserted that FSIS lacks legal
authority to require the measures under consideration in Component One,
particularly the requirements that incoming flocks be tested for
Salmonella. The commenters stated that FSIS' authority under the PPIA
begins at the official establishment and does not extend to the farm.
The commenters also asserted that Component One conflicts with HACCP
principles in that under HACCP, establishments, not FSIS, are
responsible for making decisions on how to execute their food safety
system.
Comments from trade associations representing the meat and poultry
industries asserted that FSIS had presented no data to demonstrate that
an incoming Salmonella threshold or limit is necessary for an
establishment to maintain process control and sufficiently reduce
Salmonella during processing. They also stated that FSIS did not
explain how on-farm sampling several weeks before a flock is processed
correlates to actual incoming Salmonella loads or provide data to show
that reducing incoming loads would have any public health impact. The
commenters noted that many producers and processors currently employ
interventions aimed at reducing Salmonella on farms and suggested that
FSIS consider other measures to incentivize pre-harvest controls
without requiring testing, such as encouraging establishments to
consider Salmonella a hazard reasonably likely to occur and providing
guidance for addressing Salmonella pre-harvest. Some of the commenters
that opposed Component One suggested removing this component entirely.
Comments on Component Two. The measures under consideration in
Component Two of the proposed framework would build on HACCP
regulations, which provide a prevention-based approach to food safety.
To ensure pathogen control throughout slaughter and processing
operations, Component Two would modify the existing requirements for
microbial organism testing for process control in 9 CFR 381.65(g) and
establish additional parameters to better define the required analysis
of the data. Establishments would be required to test for indicator
organisms (e.g., AC or EB) at rehang and post-chill and would be
required to use a standardized statistical approach to process control.
FSIS would consider production volume when determining the frequency
that establishments must collect samples.
FSIS received several comments in support of the measures under
consideration in Component Two from consumer advocacy organizations and
academia. These commenters generally agreed with the proposal but
recommended that FSIS consider additional measures, such as requiring
establishments to test more broadly for indicator organisms and/or
requiring testing at more sampling points. These commenters also
recommended that FSIS work with stakeholders to develop the SPC
approach after conducting research to determine the best points
predictive of end product Salmonella levels and tailor the SPC for
differences in processors' equipment and plant layouts.
Trade associations representing the meat and poultry industries, a
State Department of Agriculture, and an organic/sustainable agriculture
organization expressed concerns about some of the measures under
consideration in Component Two. The commenters asserted that there is a
lack of necessary data to support creating a rigid SPC framework for
all establishments. An organic/sustainable agriculture organization
requested that small producers be exempt from this component. A trade
association representing the meat and poultry industry suggested that
FSIS consider conducting verification sampling at specific locations
and allow establishments to develop their own sampling plans. An
association representing small and VS poultry establishments stated
that the Component Two measures under consideration will be costly and
will not reduce Salmonella.
Comments on Component Three. Component Three of the draft framework
under consideration would implement an enforceable final product
standard to prevent raw poultry products with certain levels and/or
types of Salmonella contamination from entering the stream of commerce.
FSIS would establish the standard by classifying certain Salmonella
levels and/or serotypes as adulterants in raw poultry and take action
against poultry products that exceed the final product standard.
Consumer advocacy organizations, coalitions promoting food safety,
and individuals with expertise in food and meat science generally
supported Component Three and recommended that FSIS prioritize
developing and implementing Component Three. According to these
commenters, it is the most critical part of the framework. These
commenters recommended an enforceable approach to combatting
Salmonella. The commenters stated that such an approach would provide
much greater safety to consumers by preventing highly contaminated
product from reaching store shelves and would motivate industry to
adequately control Salmonella because of the direct financial cost of
losing product that does not meet the final standard.
Some of the comments in support of Component Three requested that
FSIS provide increased transparency and data regarding how the product
standards under consideration would look. One consumer advocacy
organization emphasized that FSIS should use scientifically sound risk
assessments in determining final product standards. A consumer advocacy
organization recommended establishing separate standards for different
poultry products and stated that, for chicken, the standard could be
based on FSIS' KPI serotypes Enteritidis, Infantis, and Typhimurium,
and that for turkey, the standard could be based on serotypes Reading,
Infantis, and Typhimurium. A
[[Page 64690]]
consumer advocacy organization stated that FSIS should set stricter
standards for certain products if the risk assessment identifies higher
risk poultry products and that the risk assessments would determine
whether the final product standards should be based on Salmonella
enumeration, serotypes, or a combination of both.
Comments from trade associations representing the meat and poultry
industries, trade associations representing small poultry processors
and family farmers, a state government entity, and both large and small
businesses associated with poultry production did not support the
establishment of enforceable final product standards. These comments
opposed considering Salmonella to be an adulterant in raw poultry. Many
of the commenters stated that FSIS has historically not considered
Salmonella as an adulterant in raw poultry because: (1) Salmonella is
not an ``added substance'' and (2) Salmonella is not present in levels
that render chicken or turkey injurious to health because customary
poultry cooking practices destroy Salmonella. The commenters stated
that FSIS has not provided any new information to support a change in
this interpretation. Comments from these trade associations and a state
government entity also stated that FSIS' comparison of Salmonella in
raw poultry to Escherichia coli (E. coli) in non-intact beef is not
relevant, given that the two are very different in how they occur in
products and how they are destroyed through cooking.
On the other hand, comments from consumer advocacy organizations
stated that Salmonella may be considered as an ``added substance''
because it is not found in the muscle tissue of healthy animals but
rather is deposited through cross-contamination during slaughter and
processing. The commenters asserted that regardless of whether FSIS
considers certain Salmonella levels or serotypes most associated with
human illness to be an ``added substance,'' they are adulterants
because they ``ordinarily render'' contaminated poultry products
injurious to health.
Commenters that opposed Component Three expressed concern about the
delay that would result from a national verification testing program. A
trade association representing the chicken industry argued that the
extra time required for poultry producers to hold their product pending
FSIS' Salmonella testing results will significantly decrease the number
of poultry products that can safely reach store shelves. An
organization representing small poultry producers and processors stated
that waiting for acceptable test results would particularly affect
small producers who may not have the capability to hold poultry for a
long period of time.
Some commenters recommended alternatives to Component Three that
the commenters believed would more effectively reduce Salmonella
infection rates from poultry. For example, a large company that
processes poultry recommended that, instead of developing new final
product standards based on product adulteration, FSIS update the
current performance standards to include a new metric based on a
quantification target that measures beyond the prevalence of
Salmonella, which the commenter said would work well within a current
or an updated HACCP system.
Many comments opposed to Component Three asserted that the proposed
measures under consideration lacked information on the data and methods
that would be used to establish the final product standards. A trade
association representing the chicken industry questioned whether FSIS
had sufficient laboratory space needed to sample different product lots
for Salmonella levels or serotypes. An organization representing
independent family farmers recommended that, instead of establishing
final product standards, FSIS should identify the Salmonella strains
that cause most illnesses and target those strains specifically rather
than providing more general product standards. The 75 similar comment
letters that opposed the framework stated that FSIS should remove
Component Three from the framework until the Agency provides a clear
statement of the levels and/or strains of Salmonella that would define
the final product standards.
Comments on other issues raised. In addition to comments about the
above Components, there were comments raised about the framework in
general. Among these comments were write-in campaigns that expressed
general support for the proposed framework. A trade association
representing the chicken industry argued that the proposed framework
under consideration is not necessary because FSIS' existing framework
for addressing Salmonella control has been working. A trade association
representing the poultry industry commented that there is a need for
consumer research and education regarding safe handling of poultry.
Some comments expressed concern that adopting the framework would lead
to an increase in food waste.
Comments on data sharing. FSIS received five comments regarding the
need to share data. An academic suggested FSIS work with stakeholders
to facilitate sharing of industry data that would provide additional
insights into the sampling points that would be most predictive of
process control. Trade associations representing the poultry industry
urged FSIS to create a pathway for companies to share confidential
proprietary data with the Agency and indicated it would be necessary to
ensure that data is shared only with FSIS. A sustainable agriculture
organization emphasized the need for an enhanced ability to share
information among agencies, the academic community, and industry.
3. Additional Stakeholder Input
In addition to the November 2022 public meeting, FSIS also
participated in technical meetings with representatives from the
poultry industry, consumer advocacy organizations, academia, and other
stakeholders to further discuss aspects of the proposed Salmonella
ramework. These technical meetings were organized and hosted by the
regulated industry. The first technical meeting was held on March 21,
2023. Among the topics discussed were differences in production
practices and Salmonella control strategies between chicken and
turkeys, review of ongoing risk assessments, pre-harvest control risk
management measures, creating, implementing, and reacting to
statistical process control measures, and Salmonella quantification
methods. A second technical meeting was held on April 12, 2023. Among
the topics discussed at that meeting were incentivizing use of pre-
harvest interventions, how statistical process control is used in the
poultry industry and educational needs, and addressing lot size and
microbiological independence, and a review of the key differences
between beef and poultry. FSIS officials also held a virtual meeting
with small and VS establishment owners in February 2023 to seek input
on the Salmonella Framework under consideration.\58\
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\58\ Officials' Calendar of Meetings (Feb 2023) at: https://www.fsis.usda.gov/news-events/events-meetings/officials-calendar-meetings.
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4. Overview of Modifications to the Proposed Salmonella Framework
FSIS has carefully evaluated the written comments and other
stakeholder input provided on the proposed Salmonella Framework, along
with new studies and information that have become available since the
Agency made the information about the framework under consideration
[[Page 64691]]
available to the public in November 2022. Based on this evaluation,
FSIS has decided to modify some of the measures it had been considering
as part of the Salmonella Framework and is proposing these modified
measures in this document. FSIS requests comments on all measures
proposed in this document. If, after the close of the comment period,
the Agency determines that some portions of the modified Salmonella
Framework can be finalized sooner than others, FSIS will finalize those
portions separately from the others so as not to delay regulatory
action on this important public health initiative.
The proposed modified framework components are discussed in more
detail under separate headings in this document. The headings for the
proposed modified framework correspond to the component headings used
for the draft framework that FSIS presented to the public, i.e.,
Component One, Component Two, Component Three. The components are
discussed in this proposal in an order that emphasizes the most
significant proposed changes first. Therefore, the discussion begins
with Component Three: Final Product Standards, followed by Component
Two: Enhanced Establishment Process Control Monitoring, and finally
Component One: Pre-Harvest Measures.
Following is a general summary of the modifications.
Component Three Modifications. Consistent with Component Three of
the draft framework that was under consideration, FSIS is proposing
enforceable final product standards to prevent raw poultry products
with certain levels and Salmonella serotypes from entering commerce.
Under this proposal, FSIS has tentatively determined that certain raw
poultry products that contain Salmonella in an amount that exceeds a
specified level and that contain any detectable level of certain
Salmonella serotypes are adulterated as defined in the PPIA. The
proposed final product standards are as follows:
Chicken carcasses and chicken parts: Salmonella at or
above 10 cfu per milliliter of rinsate collected in any sample and any
detectable level of at least one of the Salmonella serotypes of public
health significance (i.e., Enteritidis, Typhimurium, and I 4,[5],12:i:-
);
Comminuted chicken: Salmonella at or above 10 cfu per gram
of product collected in any sample and any detectable level of at least
one of the Salmonella serotypes of public health significance (i.e.,
Enteritidis, Typhimurium, and I 4,[5],12:i:-);
Comminuted turkey: Salmonella at or above 10 cfu per gram
of product collected in any sample and any detectable level of at least
one of the Salmonella serotypes of public health significance (i.e.,
Hadar, Typhimurium, and Muenchen).
FSIS is also proposing that the Agency would routinely collect
samples of raw final products subject to the proposed standards and
analyze them for Salmonella levels and serotypes to determine whether
the product is adulterated.
Component Two Modifications. To ensure that poultry slaughter
establishments are effectively controlling Salmonella throughout their
operations, FSIS is proposing to revise the current regulations in 9
CFR 381.65(g) that require that all poultry slaughter establishments
develop, implement, and maintain written procedures to prevent
contamination by enteric pathogens throughout the entire slaughter and
dressing operation. FSIS is proposing to revise these regulations to
clarify that these procedures must include an MMP that incorporates SPC
monitoring methods. These proposed amendments would also specify that
the pre-chill sampling location is at rehang and specify the use of
appropriate microbial organisms for monitoring process control. In
addition, VS and VLV establishments operating under Traditional
Inspection \59\ would have to test at both rehang and post-chill,
instead of at post-chill only, although some of these establishments
would have the option to use laboratory services provided by FSIS to
analyze their monitoring samples. FSIS has developed proposed guidance
to help establishments meet the proposed sampling and analysis
requirements. Under this proposal, the guidance would be considered as
a ``safe harbor'' in that establishments that follow the guidance will
have met the proposed MMP requirements in 9 CFR 381.65(g). FSIS is also
proposing to amend the recordkeeping requirements in 9 CFR 381.65(h) to
require that establishments submit their microbial monitoring results
to the Agency electronically.
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\59\ Traditional Inspection is typically employed at smaller
lower production volume establishments that eviscerate carcasses by
hand (77 FR 4410).
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Component One Modifications. Based on the need for additional
research and due to implementation challenges, FSIS has decided, at
this time, not to establish a regulatory requirement that
establishments characterize Salmonella as a hazard reasonably likely to
occur at receiving or that incoming flocks be tested for Salmonella
before entering an establishment. FSIS, however, will focus on
achieving the goal of Component One--reduce the amount and type of
Salmonella contamination that enters the establishment--through non-
regulatory strategies. These include actively encouraging the wider use
of modified-live vaccines, which have been demonstrated to have a very
effective role in mitigating the hazard associated with specific
Salmonella serotypes, while reducing the entire load of similar
serogroup Salmonella through cross-protection. FSIS is also working
with the Animal and Plant Health Inspection Service (APHIS) to explore
ways to expand the National Poultry Improvement Program (NPIP), which
has been effective in reducing the prevalence of particular Salmonella
serotypes.
The Agency will continue to explore and develop strategies for
addressing Salmonella contamination risk at receiving. FSIS also
intends to revise its existing compliance guideline on Controlling
Salmonella in Raw Poultry \60\ to provide effective guidance on pre-
harvest interventions and practices for preventing or reducing
Salmonella colonization of live birds.
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\60\ FSIS Guideline for Controlling Salmonella in Raw Poultry
(July 2021). Available at: https://www.fsis.usda.gov/guidelines/2021-0005.
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5. Severability
While the three components in this proposal support a comprehensive
approach to controlling Salmonella in poultry, they are each separate
actions that could operate independently of each other to address
Salmonella illnesses associated with poultry products. Therefore, the
following portions of this proposal are mutually severable from each
other: The proposed determination that would establish final product
standards for certain raw poultry products proposed under Component
Three; the proposed amendments to 9 CFR 381.65 (g) and (h) that would
enhance process control monitoring in all poultry slaughter
establishments under Component Two; and the proposed non-regulatory
approach to address pre-harvest measures in Component One. Should FSIS
finalize this proposal, if any of the above portions were to be set
aside by a reviewing court, FSIS would intend for the remainder of this
action to remain in effect.
These proposals are discussed in more detail below.
[[Page 64692]]
II. Component Three: Proposed Final Product Standards
A. Current Salmonella Performance Standards and Consideration of an
Alternative Approach
As discussed above, although FSIS sampling data show that the
occurrence of Salmonella in raw poultry products has decreased since
FSIS implemented its prevalence-based Salmonella performance standards,
there has not been a corresponding observed reduction in Salmonella
illnesses in the United States. There are likely multiple reasons for
the disconnect between the reduced Salmonella contamination in poultry
products and continued illnesses. Individuals who become ill may be
exposed to more virulent Salmonella strains or higher concentrations of
Salmonella,\61\ and, as noted above, consumption of poultry has
increased.\62\ Additionally, as discussed below, several consumer
behavior research studies suggest that ordinary consumer cooking and
preparation practices for many raw chicken and turkey products do not
provide adequate assurance that these products will not be contaminated
with Salmonella when consumed. Therefore, FSIS has decided to
reconsider its current approach to Salmonella performance standards for
poultry and has tentatively concluded that the Agency should adopt an
alternative approach to more effectively reduce Salmonella illnesses
associated with poultry products. This proposal addresses the
disconnect between Salmonella contamination on poultry and human
illnesses because it targets specific Salmonella serotypes more
frequently associated with illness and limits the concentration of
Salmonella permitted in certain raw poultry products.
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\61\ FSIS Risk Profile for Pathogenic Salmonella in Poultry
(2023); FAO/WHO (Food and Agriculture Organization/World Health
Organization) ``Microbiological Risk Assessment Series 3: Hazard
Characterization for Pathogens in Food and Water''. Geneva, Rome:
World Health Organization, Food and Agricultural Organization of the
United Nations; 2003; Cheng, RA, Eade CR, and Wiedmann M (2019).
Embracing Diversity: Differences in Virulence Mechanisms, Disease
Severity, and Host Adaptations Contribute to the Success of
Nontyphoidal Salmonella as a Foodborne Pathogen. Frontiers in
Microbiology, Volume 10 at: https://doi.org/10.3389/fmicb.2019.01368; Teunis, Peter FM (2022).Dose response for
Salmonella Typhimurium and Enteritidis and other nontyphoid enteric
salmonellae. Epidemics 41: 100653. https://doi.org/10.1016/j.epidem.2022.100653.
\62\ Williams, M.S., & Ebel, E.D. (2022). Temporal changes in
the proportion of Salmonella outbreaks associated with 12 food
commodity groups in the United States. Epidemiology and infection,
150, e126. https://doi.org/10.1017/S0950268822001042.
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FSIS' current Salmonella performance standards focus on reducing
the prevalence of all Salmonella without considering differences in
virulence among individual Salmonella serotypes, strains, and
genotypes. Thus, the current standards do not focus on the types of
Salmonella most likely to cause human illnesses. In addition, the
current Salmonella performance standards consider only the presence or
absence of Salmonella in the product, while the quantity of the
pathogen may also have an impact on illness. Thus, the current
performance standards do not distinguish between poultry products that
are heavily contaminated and that contain the most virulent type of
Salmonella from those that contain trace amounts of a Salmonella with
types not typically associated with foodborne illnesses in the United
States.
Additionally, and independently, the Agency's ability to directly
enforce the pathogen reduction performance standards has been limited
since 2001, after a ruling by the U.S. Court of Appeals for the Fifth
Circuit in Supreme Beef Processors, Inc. v. USDA, 275 F.3d 432 (5th
Cir. 2001). In that case, the court enjoined FSIS from suspending
inspection services against a meat grinding operation for failure to
meet the Salmonella performance standards. Since that time, FSIS has
used Salmonella performance standard failures as a basis to conduct an
in-depth evaluation of the establishment's food safety systems,
including its HACCP plan and sanitation SOPs. However, because
Salmonella is not currently considered an adulterant in raw poultry,
the Agency cannot withhold the mark of inspection or otherwise prevent
products produced in an establishment that has failed the performance
standards from entering commerce based solely on the establishment's
performance standard results (75 FR 27288, 27293-4). This proposal, on
the other hand, would set an enforceable final product standard that
prevents raw poultry products with certain levels and types of
Salmonella contamination, which would be classified as adulterants,
from entering the stream of commerce.
When FSIS initially established the pathogen reduction Salmonella
performance standards in 1996, the Agency noted that, except for E.
coli O157:H7, FSIS had not taken the position that some amount of a
pathogen necessarily renders a raw meat or poultry product unsafe and
legally adulterated (61 FR 38806, 38835). At the time, the Agency
believed that it was constrained by the lack of a scientific basis for
determining the levels at which specific pathogens do or do not present
a safety hazard, and it also relied in part on the fact that proper
cooking kills pathogens on raw product (60 FR 6774, 6799). Therefore,
the initial pathogen reduction performance standards were based on a
statistical evaluation of the prevalence of bacteria in each
establishment's products, measured against the nationwide prevalence of
the bacteria in the same products (61 FR 38806, 38836). The Salmonella
performance standards were and still are not used to determine whether
specific product lots are legally adulterated. However, when FSIS
established the initial performance standards, the Agency made clear
that ``as more research is done and more data become available, and as
more sophisticated techniques are developed for quantitative risk
assessment for microbiological agents, it may be possible and
appropriate to develop performance standards that use a different
approach'' (61 FR 38806, 38836).
Since FSIS implemented the Salmonella performance standards, the
Agency has evaluated whether certain types of Salmonella should be
considered as adulterants in raw meat and poultry in response to
petitions submitted to the Agency in 2011, 2014, and 2022. For example,
in response to two petitions submitted by CSPI in 2011 and 2014, FSIS
evaluated whether certain antibiotic-resistant (ABR) Salmonella
serotypes could be considered as adulterants in raw meat and raw
poultry products under the Federal Meat Inspection Act (FMIA) and PPIA.
The 2011 petition asked FSIS to declare four strains of ABR Salmonella
as adulterants when found in ground meats and poultry.\63\ FSIS denied
the 2011 petition without prejudice on July 31, 2014. In its response,
FSIS explained that the data available at that time ``did not support
giving the four strains of ABR Salmonella identified in the petition a
different status as an adulterant in raw ground beef and raw ground
poultry than Salmonella strains that are susceptible to antibiotics.''
\64\ The response stated that additional data on the characteristics of
ABR Salmonella are needed to determine whether certain strains could
qualify as adulterants under the FMIA and PPIA.
[[Page 64693]]
The response also noted that because the Agency's denial was without
prejudice, the petitioner was not precluded from submitting a revised
petition that includes additional information to support the requested
action.
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\63\ CSPI petition #11-06 (May 25, 2011), ``Petition for an
Interpretive Rule Declaring Specific Strains of Antibiotic Resistant
Salmonella to be Adulterants Withing the Meaning or 21 U.S.C.
601(m)(1) and (2)(a) and 21 U.S.C. 453(g)(1) and (2)(a).'' FSIS
final response (July 31, 2014) at: https://www.fsis.usda.gov/policy/petitions/petition-submitted-center-science-public-interest-0.
\64\ FSIS final response to petition #11-06, p. 1.
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The CSPI 2014 petition was a refiling of the 2011 petition and
asked that FSIS declare certain strains of ABR Salmonella as
adulterants in all meat and poultry products based on evidence attained
since 2011 that, according to the petition, demonstrates both ground
and intact poultry products are associated with outbreaks from ABR
Salmonella.\65\ Based on the data available at the time, FSIS denied
the 2014 petition without prejudice on February 7, 2018. In its
response to the petition, the Agency concluded that, with respect to
its status as an adulterant, ``Salmonella does not appear to present
the same issues as [E. coli O157:H7], regardless of whether it is
resistant or susceptible to antibiotics.'' \66\ Therefore, the Agency
stated that it ``had no basis to conclude that either ABR-Salmonella or
non-ABR Salmonella would render injurious to health what consumers
consider to be properly cooked meat or poultry.'' \67\
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\65\ CSPI petition #14-01 (October 1, 2014), ``Request for an
Interpretive Rule Declaring Certain Antibiotic-Resistant Strains of
Salmonella to be Adulterants'' and FSIS final response (February 7,
2018) at: https://www.fsis.usda.gov/federal-register/petitions/request-interpretive-rule-declaring-certain-antibiotic-resistant-strains.
\66\ FSIS final response to petition #14-06, p. 6.
\67\ FSIS final response to petition #14-06, p. 7.
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As discussed above, FSIS also considered whether certain Salmonella
serotypes should be considered as adulterants in all meat and poultry
products in response to the January 2020 petition submitted by Marler
Clark LLP requesting FSIS to declare 31 Salmonella serotypes that have
been associated with foodborne illness outbreaks to be adulterants of
all meat and poultry products.\68\ As noted above, FSIS denied the
petition without prejudice. However, in its response, the Agency
explained that it believes that an updated Salmonella strategy is
necessary to reduce Salmonella illnesses associated with poultry
products and that FSIS had initiated several activities designed to
gather data and information to inform and support future actions
related to Salmonella in poultry. These activities were discussed in
the Background section of this document.
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\68\ Marler Clark LLP petition # 20-01 ``Petition for an
Interpretive Rule Declaring `Outbreak' Serotypes of Salmonella
enteritica subspecies to be Adulterants'' dated January 19, 2020.
Available at: https://www.fsis.usda.gov/policy/petitions/petition-interpretive-rule-related-certain-Salmonella-serotypes.
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Since FSIS denied the 2020 Marler petition, many of the activities
that were initiated to inform an updated Salmonella strategy have
generated new studies and information that FSIS has determined support
a revised approach on the use of standards to address Salmonella in
final raw poultry products. For example, after FSIS issued the 2020
Marler petition denial, the Agency completed its chicken carcass
exploratory sampling program, NACMCF issued its final 2023 report, FSIS
completed the peer-reviewed 2023 risk profile as well as the peer-
reviewed 2023 risk assessments for chicken and turkey. The Agency also
held the November 3, 2022, public meeting and received written and oral
stakeholder input on the proposed Salmonella Framework that the Agency
was considering.
As part of Component Three of the draft Salmonella Framework, FSIS
stated that it was assessing whether certain levels and/or types of
Salmonella on raw poultry present an elevated risk of causing human
illness such that they should be considered adulterants. To evaluate
the status of Salmonella in raw poultry under the PPIA, FSIS has
considered stakeholder input received in response to the draft
Salmonella Framework together with the available scientific information
on Salmonella in poultry, including recommendations in the 2023 NACMCF
report, the findings of the 2023 risk profile, and the results of the
2023 quantitative risk assessments for Salmonella in chicken and
turkey. Additionally, because FSIS has relied in part on ordinary
consumer cooking practices to determine the status of pathogens as
adulterants in raw products, the Agency also considered the available
consumer behavior research to evaluate whether ordinary consumer
cooking and handling practices are able to consistently mitigate the
risk associated with certain raw poultry products contaminated with
certain levels and/or types of Salmonella. Based on its evaluation of
scientific evidence, the Agency has tentatively concluded that there
are certain raw poultry products and Salmonella levels and serotype
pairs that have characteristics that distinguish them from other raw
products contaminated with Salmonella. FSIS has also tentatively
determined that, based on its evaluation of available scientific
evidence, Salmonella, when present in these specific products at the
specified levels and serotypes, should be considered as an adulterant.
Accordingly, FSIS is proposing final product standards that would
define whether certain raw poultry products contaminated with certain
Salmonella levels and serotypes are adulterants as defined in the PPIA.
Specifically, FSIS had tentatively determined that chicken carcasses,
chicken parts, comminuted chicken, and comminuted turkey are
adulterated if they contain Salmonella at or above 10 cfu/per
milliliter or gram (10 cfu/mL(g)) in analytical portion (i.e., mL of
rinsate or gram of product) and contain any detectable level of at
least one of the Salmonella serotypes of public health significance
identified for that product. The Salmonella serotypes of public health
significance identified for chicken carcasses, chicken parts, and
comminuted chicken are Enteritidis, Typhimurium, and I 4,[5],12:i:- and
for comminuted turkey are Hadar, Typhimurium, and Muenchen. As
discussed below, these serotypes were the three most highly virulent
serotypes associated with a commodity identified in the 2023 risk
assessments. The Salmonella serotypes of public health significance
will likely change over time as the serotypes commonly associated with
human illnesses change. FSIS will continue to track annual targets for
reducing the proportion of poultry samples that contain Salmonella
serotypes of public health significance, as well as data on rates for
serotypes commonly associated with human illness to inform future
revisions to the Salmonella serotypes of public health significance.
FSIS would publicly announce and request comments on any changes to the
serotypes of public health significance in the Federal Register.
Additionally, should FSIS finalize the proposed final product
standards, the Agency intends to further evaluate and, if necessary,
refine these standards as advances in science and technology related to
pathogen levels, serotypes, and virulence genes become available. As
discussed above, if FSIS finalizes the proposed final product
standards, the Agency intends to re-evaluate the serotypes of public
health concern every 3-5 years at a minimum and whenever new
information on Salmonella serotypes associated with human illness
become available.
Under this proposed determination, chicken parts subject to the
final product standards would include legs, breasts, wings, thighs,
quarters, and halves. FSIS is not proposing final product standards for
turkey carcasses or parts because historically there have been very few
Salmonella-positive detections in turkey carcasses. Additionally, the
Agency does not
[[Page 64694]]
quantify Salmonella on turkey carcass sponge samples and has never had
a Salmonella verification sampling program for turkey parts. Thus, it
was not possible for the 2023 turkey risk assessment to assess the risk
management questions for turkey parts or provide a robust assessment on
final product standards for turkey carcasses that FSIS could use to
inform the development of final product standards for these products.
The basis for the proposed final product standards and FSIS'
proposed determination that products that contain the Salmonella levels
and serotypes identified in the proposed final product standards are
adulterated is discussed below.
B. Pathogens as Adulterants in Raw and Not-Ready-To Eat Meat and
Poultry Products
Under the FMIA (21 U.S.C. 601 et seq.) and the PPIA (21 U.S.C 451
et seq.), a meat or poultry product is adulterated if, among other
circumstances, ``it bears or contains any poisonous or deleterious
substance which may render it injurious to health; but in case the
substance is not an added substance, such article shall not be
considered adulterated . . . if the quantity of such substance in or on
such article does not ordinarily render it injurious to health'' (21
U.S.C. 601(m)(1); 21 U.S.C. 453(g)(1)). Meat and poultry products are
also adulterated if they are ``unsound, unhealthful, unwholesome, or
otherwise unfit for human food'' (21 U.S.C. 601(m)(3)); 21 U.S.C.
453(g)(3)).
Historically, most foodborne pathogens, including Salmonella, have
not been considered as adulterants of raw and other NRTE meat and
poultry products based on the assumption that ordinary cooking is
generally sufficient to destroy the pathogens.\69\ \70\ One exception
to date is E. coli O157:H:7 and certain non-O157 Shiga toxin-producing
Escherichia coli (STEC) in raw, non-intact beef products and intact
cuts that are to be further processed into non-intact products before
being distributed for consumption. These pathogens are considered
adulterants in these specific raw products because they render
``injurious to health'' what many consumers believe to be properly
cooked non-intact beef products.\71\ FSIS had also determined that when
contaminated with these pathogens, raw, non-intact beef products are
``unhealthful, unwholesome, and otherwise unfit for human food.'' \72\
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\69\ See proposed rule ``Pathogen Reduction; Hazard Analysis and
Critical Control Point (HACCP) Systems,'' February 4, 1993 (60 FR
6774 at 6798-6799) and final rule ``Pathogen Reduction; Hazard
Analysis and Critical Control Point (HACCP) Systems,'' July 25, 1996
(61 FR 38806 at 38835.) See also Amer. Public Health Ass'n v. Butz,
511 F.2d 331 (U.S. App. DC, 1974).
\70\ When raw meat or poultry products are associated with an
illness outbreak and contain pathogens that are not considered
adulterants in those products, FSIS considers the product linked to
the illness outbreak to be adulterated under 21 U.S.C. 601(m)(3) or
453(g)(3) because the product is ``. . . unsound, unhealthful,
unwholesome, or otherwise unfit for human food'' (77 FR 72681, 72689
(Dec. 6, 2012). Products that contain an adulterant are considered
adulterated under 21 U.S.C. 601(m)(1) or 453(g)(1) even if they are
not linked to an illness outbreak.
\71\ See Texas Food Industry Association v. Espy, 870 F. Supp.
143 (1994).
\72\ Shiga-Toxin Producing Escherichia coli in Certain Raw Beef
Products (76 FR 58157, 58159).
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When FSIS determined that certain STEC are adulterants in non-
intact raw beef products, the Agency identified characteristics
associated with both the pathogen and the product that distinguish them
from other raw products contaminated with other pathogens. Specially,
FSIS considered that these STEC had been associated with illnesses and
outbreaks, have a relatively low infectious dose, cause serious human
illness, and can survive what many consumers consider to be ordinary
preparation and cooking practices of non-intact beef products.
As discussed above, on May 1, 2024, FSIS published a final
determination to declare that NRTE breaded stuffed chicken products
that contain Salmonella at levels of 1 cfu/g or higher are adulterated
within the meaning of the PPIA.\73\ In that determination, FSIS stated
that while certain STEC have been the only pathogens to date that are
considered adulterants in a raw product, certain other pathogens may
also exhibit characteristics that would meet the standard to be
considered as adulterants in a specific raw product. In the proposed
determination, FSIS also stated that if the Agency became aware of
evidence to show that a specific pathogen and product pair presents a
significant public health risk, it would consider the factors it
identified to distinguish certain STEC from other pathogens as
adulterants in certain raw beef products to determine the pathogen's
status as an adulterant, i.e., pathogen serogroups or types associated
with human illnesses; pathogen infectious dose; pathogen and serious
human illnesses; and traditional or ordinary cooking practices. After
applying these factors to Salmonella in NRTE breaded stuffed chicken
products, FSIS decided to declare that NRTE breaded stuffed chicken
products that contain Salmonella at levels of 1 cfu/g or higher are
adulterated within the meaning of the PPIA.
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\73\ Salmonella in Not-Ready-To-Eat Breaded Stuffed Chicken
Products; May 1, 2024 (89 FR 35033) at: https://www.fsis.usda.gov/sites/default/files/media_file/documents/FSIS-2022-0013F.pdf.
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Specifically, FSIS determined that NRTE breaded stuffed chicken
products that contain Salmonella at 1 cfu/g or higher are adulterated
under 21 U.S.C. 453 (g)(1) because, in these particular products,
Salmonella is an added substance that may render them injurious to
health (89 FR 35034-35035). FSIS also determined that Salmonella at 1
cfu/g in NRTE breaded stuffed chicken meets the more stringent
``ordinarily injurious to health'' standard for substances that are not
added as provided in 21 U.S.C. 453(g)(1)) (89 FR 35035). Finally, FSIS
determined that NRTE breaded stuffed chicken products contaminated with
Salmonella at levels of 1 cfu/g or higher present a serious risk of
causing Salmonella illnesses and that this elevated risk of illness
makes them ``unhealthful, unwholesome, or otherwise unfit for human
food'' as defined in 21 U.S.C. 453(g)(3) (89 FR 35037).
C. The Adulteration Standard for Raw Poultry Products
Consistent with its approach used to determine the status of
certain STEC in certain raw beef products and to determine the status
of Salmonella at certain levels in NRTE breaded stuffed chicken
products, FSIS has evaluated the available information on Salmonella
serotypes associated with human illnesses, the Salmonella infectious
dose, the severity of human illnesses caused by Salmonella, and
ordinary consumer preparation practices associated with these raw
poultry products to assess the status of Salmonella in chicken
carcasses, chicken parts, comminuted chicken, and comminuted turkey.
Based on this evaluation, FSIS is proposing final product standards for
levels and serotypes of Salmonella in chicken carcasses, chicken parts,
comminuted chicken, and comminuted turkey. FSIS has also tentatively
determined that chicken carcasses, chicken parts, comminuted chicken,
and comminuted turkey that contain the Salmonella levels and serotypes
identified in the final product standard are adulterated as defined in
the PPIA because they contain a poisonous or deleterious substance that
renders them ``injurious to health'' as defined in 21 U.S.C. 453(g)(1).
Additionally, FSIS has tentatively determined that chicken carcasses,
chicken parts, comminuted chicken, and comminuted turkey that contain
the Salmonella levels and
[[Page 64695]]
serotypes identified in the final product standards are adulterated as
defined in 21 U.S.C. 453(g)(3) because their elevated risk of illness
makes them ``unhealthful, unwholesome, or otherwise unfit for human
food.'' \74\ The basis for this tentative determination is discussed
below.
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\74\ Under 21 U.S.C. 601(m)(3) of the FMIA and 21 U.S.C.
453(g)(3) of the PPIA, a meat or poultry product is adulterated ``if
it consists in whole or in part of any filthy, putrid, or decomposed
substance or is for any other reason unsound, unhealthful,
unwholesome, or otherwise unfit for human food.'' Historically, FSIS
has interpreted the phrase ``is for any other reason unsound,
unhealthful, or otherwise unfit for human food'' as providing a
separate basis for adulteration than consists of ``any filthy,
putrid, or decomposed substance.'' Thus, meat or poultry products
that FSIS has determined are ``otherwise unfit for human food''
within the meaning of 21 U.S.C. 601(m)(3) and 21 U.S.C. 453(g)(3) do
not also need to consist ``in whole or in part of any filthy,
putrid, or decomposed substance.'' For example, when raw meat or
poultry products are associated with an illness outbreak but contain
pathogens that are not considered adulterants in raw products, FSIS
has found products linked to the illness outbreak to be adulterated
under 21 U.S.C. 601(m)(3) or 21 U.S.C. 453(g)(3) because they are
``unsound, unhealthful, unwholesome or otherwise unfit for human
food'' (77 FR 72689). FSIS has also determined that certain
materials from cattle as well as the carcasses of non-ambulatory
disabled cattle are adulterated because they present a sufficient
risk of exposing humans to the bovine spongiform encephalopathy
agent such as to render them ``unfit for human food'' under 21
U.S.C. 601(m)(3) (69 FR 1862).
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1. Pathogen Serogroups or Types Associated With Human Illness
Approximately 2,500 Salmonella serotypes have been identified,\75\
though not all serotypes have been isolated from poultry. Most human
infections have been epidemiologically linked to fewer than 100
serotypes. Almost all strains of Salmonella are pathogenic as they can
invade, replicate and survive in human host cells, resulting in
potentially fatal disease,\76\ though not all are equally likely to
cause illness. To evaluate which Salmonella serotypes are most likely
to be associated with human illness, FSIS considered information from
the 2023 NACMCF report, the 2023 risk profile, and the 2023 risk
assessments.
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\75\ Brenner FW, Villar RG, Angulo FJ, Tauxe R, Swaminathan B.
Salmonella nomenclature. J Clin Microbiol. 2000 Jul;38(7):2465-7.
doi: 10.1128/JCM.38.7.2465-2467.2000. PMID: 10878026; PMCID:
PMC86943.
\76\ Shu-Kee Eng, Priyia Pusparajah, Nurul-Syakima Ab Mutalib,
Hooi-Leng Ser, Kok-Gan Chan & Learn-Han Lee (2015) Salmonella: A
review on pathogenesis, epidemiology and antibiotic resistance,
Frontiers in Life Science, 8:3, 284-293, DOI: 10.1080/
21553769.2015.1051243.
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NACMCF report. In the 2023 NACMCF report, the committee considered
how foodborne illness surveillance data on human Salmonella illnesses,
data from foodborne outbreaks associated with Salmonella in poultry,
and data on Salmonella serotypes in poultry products can be used to
identify the Salmonella serotypes of greatest public health concern
associated with specific poultry products. The report stated that the
relevant serotypes of greatest public health concern are those that are
common causes of reported human illness, are present in poultry, and
are transmitted through foods. The report noted that CDC surveillance
provides data on the frequency of diagnosed illness caused by each
serotype and that FSIS data from slaughterhouses and retail surveys can
confirm the presence and frequency of serotypes in raw poultry. The
report also concluded that outbreak investigations of foodborne
salmonellosis can provide direct evidence that foodborne transmission
of a particular serotype occurs.
The NACMCF report noted that several approaches have been used to
attribute human salmonellosis to specific foods and sources. These
include case-control studies, analysis of reported foodborne outbreaks,
and most recently, source attribution based on WGS genotyping. The
report concluded that attribution based on outbreak data and on
genotype both give the greatest weight to data from the most recent
years. NACMCF found that poultry is the leading source of human
salmonellosis, based on both reported outbreaks and genotype-based
attribution methods. The committee also stated that these data show
that a small number of serotypes account for most poultry-associated
salmonellosis led by Enteritidis, Typhimurium, I:4,5,12:i:-, Infantis,
and Heidelberg, and even fewer serogroups: groups O:4 (formerly group
B), O:7 (group C1), and O:9 (group D1).
Risk profile. In the 2023 risk profile, FSIS conducted a review of
all information on Salmonella outbreaks reported in the CDC National
Outbreak Reporting System (NORS), PubMed, and the web pages FSIS uses
for maintaining records on outbreak investigations to determine which
Salmonella serotypes or subtypes are linked to foodborne illnesses or
outbreaks from consuming specific raw and NRTE chicken or turkey
products. From these data sources, the risk profile identified 210
foodborne Salmonella outbreaks linked to poultry products between 1998
and 2020. Of these 210 foodborne Salmonella outbreaks, 84.8 percent
(178/210) were linked to chicken products and 15.2 percent (32/210) to
turkey products. Serotype information was available for 93.3 percent
(196/210) of these outbreaks, including 2.4 percent (5/210) associated
with multiple serotypes.
For the purposes of the risk profile, Salmonella subtypes
associated with human illness outbreaks attributed to consuming chicken
or turkey are referred to as ``subtypes of concern.'' The 196 outbreaks
in which serotype information was available involved 32 subtypes of
concern. Seventeen serotypes of concern were only linked to chicken
products. One serotype of concern, Reading, was linked to a turkey
product but not to chicken. There were 10 serotypes linked to both
chicken and turkey products.
According to the data compiled for the risk profile, the 210
outbreaks include 7,018 illnesses, 1,202 hospitalizations, and 10
deaths attributed to poultry products. When considering outbreaks
associated with either chicken or turkey products, nine serotypes
accounted for 85 percent (5,794/7,018) of illnesses. Each of these
subtypes caused 200 or more outbreak associated illnesses in chicken
and/or turkey from 1998-2020. The top seven subtypes associated with
chicken were Enteritidis, Heidelberg, Typhimurium, I 4,[5],12:i:-,
Montevideo, Thompson, and Infantis. The top four subtypes associated
with turkey were Enteritidis, Reading, Muenchen, and Heidelberg. The
most common subtypes of concern associated with poultry products
overall were Enteritidis, Heidelberg, Typhimurium, and I 4,[5],12:i:-.
Risk assessments. The chicken and turkey risk assessments leveraged
FSIS' 2023 risk profile to identify Salmonella serotypes in chicken and
turkey linked to foodborne illness and adopted the guidance on risk
assessment recommendations from the 2023 NACMCF report. FSIS developed
a probabilistic risk assessment model describing current Salmonella
contamination in raw poultry products and the potential human exposure
through consumption of servings derived from these raw products. Data
from FSIS microbiological baseline studies, routine PR/HACCP sampling,
and exploratory sampling programs were used to describe Salmonella in
chicken carcasses, fabricated chicken parts, and comminuted chicken and
turkey products. FSIS partnered with EpiX Analytics through a
Cooperative Agreement with the University of Maryland to incorporate
genomics into the risk assessment models developed by FSIS. FSIS
selected the grouping of serotypes into two ``clusters'' (i.e.,
``higher virulence'' and ``lower virulence'') based on the virulence
profiles, exposure in food, and foodborne epidemiological data and EpiX
Analytics then derived two virulence-adjusted Salmonella dose-
[[Page 64696]]
response models.\77\ FSIS used these dose-response models in its
quantitative risk assessment models for Salmonella in chicken and
turkey. FSIS assessed public health benefits, in terms of annual
illnesses prevented, by modeling the impact of removal of lots with
Salmonella at or above a certain level or with certain serotypes and
simulated the probability of illness per serving.
---------------------------------------------------------------------------
\77\ Full details of the EpiX Analytics methodology are provided
in Appendix A of the chicken Risk Assessment in the report entitled
``Using genomics to identify nontyphoidal Salmonella serovars of
concern and estimating dose-response models amenable to risk
assessments in poultry.''
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The analysis in the chicken risk assessment found the probability
of illness from chicken contaminated with ``higher virulence''
serotypes exposures is 5.66 times larger than the probability of
illness from chicken contaminated with ``lower virulence'' serotypes.
In FSIS sampling, the average annual percentage of ``higher virulence''
serotypes is approximately 26 percent for chicken carcasses, 32 percent
for comminuted chicken product, and 35 percent for chicken parts. The
chicken risk assessment identified Enteritidis, Typhimurium, I 4,[5],
12:i:-, Hadar, and Litchfield as the five most frequent ``higher
virulence'' serotypes in chicken. The chicken risk assessment
identified Kentucky, Infantis, Schwarzengrund, Heidelberg, and Thompson
as the five most frequent ``lower virulence'' serotypes in chicken.
The analysis in the turkey risk assessment found there are 49
different serotypes in comminuted turkey products, as compared to only
19 serotypes isolated on turkey carcasses in the Agency's pathogen
reduction Salmonella sampling program. Reading and Hadar ranked as the
top two in both carcasses and comminuted, comprising more than 30
percent of the serotype samples for each commodity. Hadar was also
observed most often in the FSIS microbiological baseline studies for
Salmonella in turkey \78\ and appeared in the top ten CDC FoodNet
annual summary from 2020.\79\
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\78\ National Microbiological Baseline Data Collection Program:
Young Turkey Survey available at: https://www.fsis.usda.gov/node/1972
\79\ CDC FoodNet Reports available at: https://www.cdc.gov/foodnet/reports/.
---------------------------------------------------------------------------
The turkey risk assessment identified Hadar, I 4,[5], 12:i: -,
Muenchen Typhimurium, and Saintpaul as the five most frequent ``higher
virulence'' serotypes in turkey. The turkey risk assessment identified
Reading, Infantis, Schwarzengrund, Uganda, and Agona as the five most
frequent ``lower virulence'' serotypes in turkey.
The list of serotypes of public health significance is highly
important for this framework, as it determines whether products are
adulterated as defined in the PPIA. FSIS recognizes that science
constantly evolves and therefore our understanding of virulence and
other factors will evolve over time.
The FSIS risk assessments utilized bioinformatic tools and methods
for clustering Salmonella serotypes, and an optimized new dose-response
model developed by EpiX Analytics. This model was genomically
validated, and results corresponded with other standard bioinformatic
techniques differentiating serotypes based on lineage features. Genomic
virulence factors were used for the initial grouping of serotypes and
the higher virulence serotypes of public health significance were
validated by CDC illness outcome data and FSIS sampling data. FSIS did
not rely solely on the genomic component of the risk assessment model
to determine the list of serotypes of public health significance. FSIS
developed a cohesive risk model that incorporates virulence factors,
epidemiological outcomes, and frequency of exposure and conducted
sensitivity and uncertainty analyses of the full model and the
virulence component. FSIS requests comments on the full risk model and
the uncertainty and sensitivity analyses, whether they are fit for the
purpose of determining the serotypes of public health significance, and
what model adjustments or other approaches FSIS should consider in the
determination to adapt to evolving data, technology, and analytical
methods.
FSIS recognizes that science consistently evolves, and therefore
the Agency's understanding of virulence and other factors will evolve
over time. Because the scientific understanding of virulence and other
relevant factors evolves, FSIS is requesting comments on whether the
EpiX Analytics serotype clustering and dose-response adjustment (i.e.,
risk multiplier) used the best available data and genetic factors
relevant to Salmonella risk and contamination in the United States
poultry population. Additionally, FSIS is requesting comment on
potential improvements to the serotype clustering robustness analysis
and the risk multiplier sensitivity analysis.
Final product standards serotypes of public health significance. As
noted above, as part of USDA's strategic and performance planning
process for FY2022-2026, FSIS established a new KPI targeted to reduce
the proportion of FSIS poultry samples with Salmonella serotypes
commonly associated with human illnesses.\80\ The KPI serotype list was
determined using summary statistics, namely comparison of historical
Agency sampling data for poultry products and CDC FoodNet data to
determine the Salmonella serotypes commonly associated with human
illness. It is important to note that the KPI is used as an internal
performance measure for FSIS, which is not intended to assess industry
performance, and, as such, was not externally peer reviewed. FSIS'
analysis found that these serotypes are Infantis, Enteritidis, and
Typhimurium. Thus, FSIS selected these serotypes as a KPI target for
all raw poultry.
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\80\ FY2022-2024 Food Safety Key Performance Indicator.
Available at: https://www.fsis.usda.gov/inspection/inspection-
programs/inspection-poultry-products/reducing-salmonella-poultry/
salmonella-0#:~:text=FY%202022-
2026%20Food%20Safety%20Key%20Performance%20Indicator%20A,the%20USDA%2
0Fiscal%20Year%20%28FY%29%202022-2026%20Strategic%20Plan.
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When developing the proposed final product standards, FSIS
considered incorporating the KPI serotypes as the ``serotypes of public
health significance'' as suggested by some of the comments on the
initial draft Salmonella Framework. However, after evaluating the
information on serotypes discussed above, FSIS concluded that, while
the KPI serotypes are useful for strategic and performance planning
purposes, the KPI was not a robust scientific tool by which to identify
serotypes of public health concern as adulterants. Further, the KPI
identified serotypes of public health concern for poultry as a whole,
and not by individual product (chicken v. turkey). The KPI does not
reflect the serotypes most commonly associated with illnesses from
turkey, and the chicken risk assessment determined that Infantis is not
a highly virulent serotype.
Therefore, instead of proposing serotypes of public health
significance based solely on the KPI criteria, FSIS has decided that
the proposed serotypes of public health significance should be based on
a thorough review of multiple FSIS scientific analyses in this area,
including the 2023 NACMCF report, the externally peer-reviewed 2023
risk profile, and the two externally peer-reviewed risk assessments.
Based on consideration of these scientific efforts, these serotypes are
Enteritidis, Typhimurium, and I 4,[5],12:i:- for chicken carcasses,
chicken parts, and comminuted chicken, and Hadar, Typhimurium, and
Muenchen for comminuted turkey. FSIS has determined that these
serotypes more accurately reflect serotypes most likely
[[Page 64697]]
to cause illnesses because they are based on the same epidemiological
evidence used in the risk profile and the 2023 NACMCF report, but
pivotally also include analyses conducted in the risk assessments,
which includes an additional analysis of virulence factors,
epidemiological outcomes, and frequency of exposure.
The 2023 NACMCF report, the 2023 risk profile, and the Agency's KPI
all identify Infantis as among the serotypes commonly associated with
poultry-related illnesses, the scientific evidence does not support
that the rising trend in Infantis illnesses is associated with chicken
consumption. The emergence of Infantis in FSIS chicken sampling in 2016
did not correspond to a proportional increase in human Infantis
illnesses, which have been on the rise in the United States since
2010.\81\ Put another way, given the volume of chicken consumed by the
American public--much of which is contaminated with Infantis--if it
were a high-risk poultry serotype, we would predict more Infantis
illnesses. Furthermore, the 2023 chicken risk assessment, which used
published genomic methods,\82\ also determined that Infantis is less
virulent than many other serotypes with the exception of Kentucky.
Additionally, the risk profile found that Infantis accounted for 2
percent of outbreaks identified in the CDC NORS, while I 4,[5],12:i:-
accounted for 4.1 percent of those outbreaks.
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\81\ NACMCF final report ``Response to Questions Posed by the
Food Safety and Inspection Service: Enhancing Salmonella Control in
Poultry Products'' (March 2023).
\82\ Fenske GJ, Pouzou JG, Pouillot R, Taylor DD, Costard S,
Zagmutt FJ. The genomic and epidemiological virulence patterns of
Salmonella enterica serovars in the United States. PLoS One. 2023
Dec 5;18(12):e0294624. doi: 10.1371/journal.pone.0294624. PMID:
38051743; PMCID: PMC10697515.
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However, FSIS is aware Salmonella Infantis remains of considerable
concern in terms of potential severity of illness \83\ and
antimicrobial resistance, as can be observed in its routine inclusion
in national lists of top serotypes by outbreak numbers and sporadic
case counts.\84\ CDC estimates that the serotypes of public health
significance represent 66 percent of outbreaks and 68 percent of
outbreak-associated illnesses in the past five years of outbreak data;
including Infantis as a fourth serotype increases these figures to 75
percent and 79 percent, respectively.\85\ Given the notable concern of
the Salmonella Infantis REPJFX01 strain raised by the CDC and other
public health experts, FSIS is requesting comment on the possible
inclusion of Infantis as a serotype of public health significance. As
discussed above, FSIS was not able to validate that chicken consumption
is the major direct driver of the increased Infantis rates and is
additionally asking for comment on scientific studies and data sources
on this topic that are in line with regulatory evidence guidelines.
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\83\ FSIS is aware only of results on Infantis severity of
illness that reinforce it is not a high risk serotype: Brown AC,
Chen JC, Watkins LK, et al. CTX-M-65 Extended-Spectrum [beta]-
Lactamase-Producing Salmonella enterica Serotype Infantis, United
States. Emerging Infectious Diseases. 2018;24(12):2284-2291.
doi:10.3201/eid2412.180500.
\84\ Centers for Disease Control and Prevention (CDC). BEAM
(Bacteria, Enterics, Amoeba, and Mycotics) Dashboard. Atlanta,
Georgia: U.S. Department of Health and Human Services. www.cdc.gov/ncezid/dfwed/BEAM-dashboard.html. Accessed 06/07/2024.; Centers for
Disease Control and Prevention (CDC). National Outbreak Reporting
System Dashboard. Atlanta, Georgia: U.S. Department of Health and
Human Services, CDC. Last accessed 06/07/2024. Available from URL:
wwwn.cdc.gov/norsdashboard.; Centers for Disease Control and
Prevention (CDC). FoodNet Fast Dashboard. Atlanta, Georgia: U.S.
Department of Health and Human Services, CDC. Last accessed 06/07/
2024. Available from URL: https://www.cdc.gov/foodnet/foodnet-fast.html.
\85\ These estimates are based a CDC pilot analysis of data (CDC
unpublished data) presented in 2023 to the National Advisory
Committee on Microbiological Criteria for Foods. See: NACMCF final
report ``Response to Questions Posed by the Food Safety and
Inspection Service: Enhancing Salmonella Control in Poultry
Products'' (March 13, 2023), available at: https://www.fsis.usda.gov/policy/advisory-committees/national-advisory-committee-microbiological-criteria-foods-nacmcf/2021.
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As research into Salmonella virulence factors and their gene
functions continues to develop, clustering should be revisited to
ensure reliability and consistency. FSIS took care to align the
virulence modeling in the risk assessments with epidemiological and
clinical patterns in surveillance data: however, current bioinformatics
methods are based on the serotypes that have been the consistently
highest illness causes (Enteriditis and Typhimurium) across time rather
than the full genetic landscape of Salmonella. Furthermore, lower
virulence serotypes can still outcompete higher virulence serotypes and
pose public health risks. As noted above, the list of serotypes of
public health significance is essential to this framework, as it
determines whether products are adulterated as defined in the PPIA.
FSIS requests comments on the initial proposed serotypes of public
health significance and what scientific evidence and genetic Salmonella
data sources beyond the most often studied serotypes should be
considered, in addition to that already considered, in the
identification of the most highly virulent serotypes identified in the
risk assessments, which includes a thorough review of multiple FSIS
efforts in this area, including the 2023 NACMCF report and the
externally peer reviewed 2023 risk profile.
2. Dose Considerations
As summarized in the 2023 risk profile, although Salmonella data
are limited, international and domestic outbreak investigations
associated with a variety of food products have been used to estimate
the relationship between the number of organisms consumed and the
probability of illness. These estimates, and more broadly the emergence
of dose-response modeling and quantitative risk assessment over the
past 25 years, are all based on the concept that a single bacterium is
all that is necessary to cause infection and/or illness, that is to say
the single-hit model.\86\ FSIS' evaluation and summarization of dose-
response models, as well as analysis of outbreak data where estimates
for the number of organisms consumed were available, demonstrate that
the scientific consensus is that exposure to a small number of
Salmonella organisms can result in foodborne illness.
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\86\ Teunis, P.F., & Havelaar, A.H. (2000). The Beta Poisson
dose-response model is not a single-hit model. Risk analysis: an
official publication of the Society for Risk Analysis, 20(4), 513-
520. https://doi.org/10.1111/0272-4332.204048.
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In a study published in 2010 (the Teunis 2010 study), and included
in the 2023 risk profile, using a dose-response model approach
utilizing outbreak data, and accounting for variation among outbreaks
represented by the data, the Salmonella median illness dose was 36 cfus
(with 95 percent prediction interval of 0.69-1.26x10\7\ cfu).\87\ The
median illness dose refers to the dose at which 50 percent of
individuals in an exposed population will experience symptomatic
illness. The median illness dose and its prediction interval reflect
variability among outbreak strains and exposed populations and
uncertainty about the dose-response relationship. Thus, it serves as a
useful metric for comparing the pathogenicity of different serotypes.
Additionally, the World Health Organization Food and Agriculture
Organization of the United Nations developed a dose-response approach
for risk assessments for Salmonella.\88\ Also
[[Page 64698]]
using outbreaks, the model estimated a 13 percent chance of becoming
ill if ingesting an average dose of 100 organisms. Even at the level of
1 organism ingested, there was still a non-zero chance of illness (0.25
percent).
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\87\ Teunis P.F., et al., Dose-response modeling of Salmonella
using outbreak data. Int J Food Microbiol, 2010. 144(2): p. 243-9;
https://doi.org/10.1016/j.ijfoodmicro.2010.09.026.
\88\ World Health Organization, Risk assessment of Salmonella in
eggs and broiler chickens, March 25, 2002. Available at: https://www.who.int/publications/i/item/9291562293.
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A study published after the 2023 FSIS risk profile was peer-
reviewed revisited the 2010 Teunis study discussed above.\89\ Using
outbreak serotype data, and accounting for variation among outbreaks
within a particular serotype, the median Salmonella dose predicted to
result in 50 percent of exposed individuals becoming ill
(IllD50) was 3,360 cfu (95 percent range: 18-3.2x10\9\),
1,500 cfu (38-8.8x10\7\), and 1 cfu (0.69-1.0x10\6\) for Enteritidis,
Typhimurium and Infantis, respectively. For the same study, the median
Salmonella dose predicted to result in 1 percent of exposed individuals
becoming ill (IllD01) was 0.6 cfu (95 percent range: 0.24-
1.9), 9.9 cfu (0.32-57), and 0.07 cfu (0.01-2.0x10\4\) for Enteritidis,
Typhimurium and Infantis, respectively. These results describe that
individuals exposed to small doses of Salmonella can experience
symptomatic illness. Other Salmonella serotypes were also found to
cause illness at small doses including Heidelberg
(IllD50=323 cfu and IllD01=1 cfu) and
Schwarzengrund (IllD50=0.8 cfu and IllD01=0.04
cfu).
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\89\ Teunis P.F.M. Dose response for Salmonella Typhimurium and
Enteritidis and other nontyphoid enteric salmonellae. Epidemics 41
(2022) 100653; https://doi.org/10.1016/j.epidem.2022.100653.
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Furthermore, the 2023 FSIS risk assessments developed two
virulence-adjusted dose-response models (one for low virulence
Salmonella serotypes, and another for high virulence Salmonella
serotypes), which utilize the work described in the 2023 FSIS risk
profile to poultry specific serotypes. The high virulence dose-response
model (which includes the serotypes of public health significance) was
estimated using outbreak data and employed a beta-Poisson model of
infection for a given dose as outlined in the 2023 risk profile. Risk
multipliers, derived from epidemiological outbreak data attributed to
poultry sources, with consideration of prevalence in animal sources
from FSIS poultry sampling programs, were then used to scale the
relative risk of illness from exposures to each cluster. The
probability of illness from consuming chicken containing high virulence
Salmonella serotypes exposures is 5.66 times greater than the
probability of illness from exposure to chicken products containing low
virulence Salmonella serotypes. The dose-response findings of the 2023
risk assessment rely on the single-hit model, and the virulence
adjusted dose-response models estimate of a 1 in 100 probability of
illness at 1 cfu of high virulence Salmonella per serving and a 0.2 in
100 probability of illnesses at 1 cfu of low virulence Salmonella per
serving. While the median illness is not attained by the low virulence
Salmonella dose response model, the median illness dose described by
the dose-response model for serotypes of public health significance is
approximately 2000 cfu.
As summarized in the 2023 risk profile, five Salmonella foodborne
outbreaks have shown that Salmonella can cause illness from exposure of
10 or fewer organisms per person.\90\Additionally, several outbreaks
from a range of Salmonella serotypes in various food products have
shown that exposure from 11 to 420 organisms per person can result in
illness.\91\ Thus, in these published studies, illnesses resulted from
doses ranging from 1 to 420 Salmonella organisms per person.
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\90\ Killalea, D., et al., International Epidemiological and
Microbiological Study of Outbreak of Salmonella Agona Infection from
a Ready to Eat Savoury Snack--I: England and Wales and the United
States. 1996, British Medical Journal Publishing Group.; Shohat, T.,
et al., International Epidemiological and Microbiological Study of
Outbreak of Salmonella Agona Infection from a Ready to Eat Savoury
Snack--Ii: Israel. BMJ, 1996. 313(7065): p. 1107-1109.; D'aoust,
J.Y. and J.Y.D. Aoust, Infective Dose of Salmonella Typhimurium in
Cheddar Cheese. American Journal of Epidemiology, 1985. 122(4): p.
717-720.; D'aoust, J.Y., D.W. Warburton, and A.M. Sewell, Salmonella
Typhimurium Phage-Type 10 from Cheddar Cheese Implicated in a Major
Canadian Foodborne Outbreak. Journal of Food Protection, 1985.
48(12): p. 1062-1066.; Kapperud, G., et al., Outbreak of Salmonella
Typhimurium Infection Traced to Contaminated Chocolate and Caused by
a Strain Lacking the 60-Megadalton Virulence Plasmid. J Clin
Microbiol, 1990. 28(12): p. 2597-601.; Hockin, J.C. et al., An
International Outbreak of Salmonella Nima from Imported Chocolate. J
Food Prot. 1989. 52(1): p. 51-54.; Lehmacher, A., Bockemuhl, J., and
Aleksic. S. Nationwide outbreak of human salmonellosis in Germany
due to contaminated paprika and paprika-powdered potato chips. 1995.
Epidemiol Infect. 115: p. 501-11.
\91\ Kasuga F.et al., Archiving of food samples from restaurants
and caterers--Quantitative profiling of outbreaks of foodborne
Salmonella in Japan. Journal of Food Protection, 2004. 67: p. 2024-
2032; Blaser, M.J., and Newman, L.S. A review of human
salmonellosis: I. Infective dose. Rev Infect Dis., 1982.4: p.1096-
106; Abe, K., N. et al., Prolonged incubation period of
Salmonellosis associated with low bacterial doses. Journal of food
protection, 2004. 67: p. 2735-2740; Hara-Kudo, Y. and K. Takatori,
Contamination level and ingestion dose of foodborne pathogens
associated with infections. Epidemiology and Infection, 2011. 139:
p. 1505-1510; Hennessy T.W., et al., A national outbreak of
Salmonella enteritidis infections from ice cream. N Engl J Med,
1996. 334(20): p. 1281-6; Hedberg C.W., et al., A multistate
outbreak of Salmonella javiana and Salmonella oranienburg infections
due to consumption of contaminated cheese. JAMA, 1992. 268(22): p.
3203-7; Todd, E.C., et al., Outbreaks where food workers have been
implicated in the spread of foodborne disease. Part 4. Infective
doses and pathogen carriage. J Food Prot, 2004. 71: p. 2339-73;
Scheil W., et al., A South Australian Mdbandaka outbreak
investigation using a database to select controls. Aust NZ J Public
Health, 1998. 22(5): p. 536-9; Tamber, S., E. Swist, and D. Oudit,
Physicochemical and bacteriological characteristics of organic
sprouted chia and flax seed powders implicated in a foodborne
Salmonellosis outbreak. Journal of Food Protection, 2016. 79(5): p.
703-709.
---------------------------------------------------------------------------
The 2023 risk profile identified 32 Salmonella serotypes of concern
linked to foodborne Salmonella outbreaks from chicken and turkey
products. These identified serotypes of concern informed all subsequent
risk management questions, including whether exposure to a small number
of these serotypes result in foodborne illness. Because the Salmonella
serotypes of public health significance identified in the final product
standards are among the 32 Salmonella serotypes of concern identified
in the risk profile and risk assessments, it is reasonable to conclude
that the serotypes of public health significance in the final product
standards all cause illness at a relatively low dose.
3. Severity of Illnesses
The 2023 risk profile found that exposure to the profile's
Salmonella subtypes of concern, which include the final product
standards serotypes of public health significance, can cause severe or
debilitating human health outcomes. Although the symptoms of Salmonella
infections are typically not reported to be as severe as some of those
associated with STEC, Salmonella can cause bloody diarrhea, fever,
abdominal cramps, nausea, and vomiting. In some instances, Salmonella
enters the blood stream and makes its way to other areas of the body
including, but not limited to, the heart, lung, bone, joints and the
central nervous system.\92\ This can result in severe illness requiring
hospitalizations and even death, especially in vulnerable populations,
such as very young, elderly, and immunocompromised individuals. Even
when Salmonella is no longer detectable in the body, prior Salmonella
illness has also been associated with an increased risk in colon
cancer.\93\ Also, the illness can cause debilitating, long-lasting
conditions including inflammatory bowel disease, irritable bowel
syndrome and reactive arthritis.
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\92\ Batz, M.B., et al., Long-Term consequences of foodborne
illness. Infect Dis Clin North Am, Sept 2013. 28(3) p. 599-661;
Hohmann, E.L., Nontyphoidal Salmonellosis, Clin Infect Dis, Sept
2001. 32 p. 263-269; Heymann, D. Salmonellosis. Control of
Communicable Disease Manual, 2021.
\93\ Mughini-Gras, L. et al. Increased colon cancer risk after
severe Salmonella infection. PLoS ONE, 2018. 13(1): p. 1-19, https://doi.org/10.1371/journal.pone.0189721.
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[[Page 64699]]
Furthermore, a study that allows for a comparison of case-fatality
proportions of both Salmonella and STEC O157 demonstrates a higher
frequency of deaths among Salmonella cases than among STEC O157
cases.\94\ The estimated annual domestic foodborne illnesses reported
in the study were 1,027,561 and 63,153 for Salmonella and STEC O157,
respectively. Annual deaths from domestic foodborne illnesses are 378
and 20 for Salmonella and STEC O157, respectively. Therefore,
Salmonella deaths occur at a frequency of 4 per 10,000 illnesses, while
STEC O157 deaths occur at a frequency of 3 per 10,000 illnesses.
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\94\ Scallan, et al., 2011.
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4. Consumer Cooking Practices
As noted above, until recently, with the publication of the
proposed determination on Salmonella in NRTE breaded stuffed chicken
products, FSIS historically has not taken the position that certain
Salmonella levels or serotypes render raw poultry products adulterated
as defined in the PPIA. This position was based in part on the fact
that proper cooking kills pathogens on raw product. However, as
discussed below, several consumer behavior research studies suggest
that ordinary consumer cooking and preparation practices for chicken
carcasses, chicken parts, comminuted chicken, and comminuted turkey do
not provide adequate assurance that these products will not be
contaminated when consumed.
Consumer behavior research. FSIS recommends cooking poultry
products until the center of the thickest part of the meat reaches a
minimum internal temperature of 165 [deg]F measured by using a
thermometer to eliminate the presence of Salmonella and other foodborne
pathogens.\95\ However, although using a thermometer is the only
reliable way to ensure that poultry is properly cooked, studies show
that many consumers do not ordinarily use a thermometer to determine
whether whole chicken, chicken parts, comminuted chicken, and
comminuted turkey have reached an internal temperature sufficient to
destroy Salmonella. Studies also show that many consumers that do use a
thermometer do not always do so correctly.
---------------------------------------------------------------------------
\95\ FSIS Safe Minimum Internal Temperature Chart. 2020;
Available at: https://www.fsis.usda.gov/food-safety/safe-food-handling-and-preparation/food-safety-basics/safe-temperature-chart.
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In a study published in 2017, a web-enabled panel survey of U.S.
adult grocery shoppers (n = 1,504) was conducted to describe consumers'
handling and preparation practices for raw poultry.\96\ The purpose of
the study was to characterize consumer food thermometer use and
barriers to use. The study found that of the 62 percent of the survey
respondents who reported owning a food thermometer, thermometer usage
was highest among those cooking whole turkeys (73.2 percent). Fewer
respondents reported using a thermometer when cooking whole chickens
(56.7 percent), chicken breasts or other parts (26.3%), and meatloaf or
a similar dish containing ground chicken or turkey (22.8 percent).
Reported thermometer use was lowest among respondents cooking patties
made with ground chicken or turkey (11.7 percent).
---------------------------------------------------------------------------
\96\ KM Kosa, et al. (2017). Barriers to Using a Food
Thermometer When Cooking Poultry at Home: Results from a National
Survey. Food Protection Trends, 37/2, 116-125, available at: https://www.foodprotection.org/files/food-protection-trends/mar-apr-17-kosa.pdf.
---------------------------------------------------------------------------
Participants who reported owning a food thermometer identified
various reasons for not using a thermometer the last time they cooked
poultry at home. For all cuts of poultry, the most common reason
reported for not using a thermometer was use of another method to
determine that the product was properly cooked (49.8 to 61.5 percent of
respondents). The next most common reason selected was that the
respondent never thought to use a thermometer (27 to 37.6 percent of
respondents), which the researcher concluded suggests that these
respondents do not consider it very important to use a food
thermometer.
Of the respondents that reported using another method instead of a
food thermometer, most reported that they determined that poultry is
properly cooked by using visual cues, i.e., color, juice clarity, and
cleanliness of probing utensil. Of the 61.5 percent of the respondents
that reported using another method to determine that a whole turkey or
chicken is properly cooked, 42.2 percent cut the food to check that it
was no longer pink, 42.2 percent relied on cooking time, and 41 percent
checked that the juices ran clear. Of the 56.1 percent of the
respondents that reported using another method to determine that
chicken and turkey parts were properly cooked, 67.6 percent cut the
food to check that it was no longer pink, 46.2 percent relied on
cooking time and 40 percent checked that the juices ran clear. And of
the 49 percent of the respondents that reported using another method to
determine whether ground chicken or turkey was properly cooked, 61.5
percent inserted a knife, toothpick, or other utensil to see if it came
out clean, 55.4 percent relied on cooking time, and 21.0 percent cut
the food to check that it was no longer pink.
In an observational study published in 2016, 101 participants were
observed as they prepared poultry and egg items to determine whether
they followed food safety guidelines.\97\ The poultry items prepared
for the study were a baked whole chicken breast and a pan-fried ground
turkey patty. The study found that thermometer use for all products was
low. Only 37 percent of participants used a thermometer to determine
that a chicken breast was properly cooked, and only 22 percent used a
thermometer to determine that a turkey patty was properly cooked. For
the chicken breast, the most common method used to determine doneness
was cutting into the chicken (50 percent), followed by color (33
percent) and thermometer use (33 percent). For the turkey patty, the
most common indicator used was color (39 percent), followed by cutting
into it (30 percent), using a thermometer (22 percent), and looking at
the juices (18 percent). The study also found that the participants who
used a food thermometer often would use other methods, such as cutting
into them or observing the juices, to determine if the poultry items
were properly cooked.
---------------------------------------------------------------------------
\97\ Maughan, et al. (2016). Food Handling Behaviors Observed in
Consumers When Cooking Poultry and Eggs. Journal of Food Protection,
79:6, 970-977, available at: https://www.sciencedirect.com/science/article/pii/S0362028X22080814?via%3Dihub.
---------------------------------------------------------------------------
The study also highlighted the importance of correctly using a
thermometer to determine that poultry is properly cooked. Of the study
participants who used a thermometer, 36 percent did not use it
correctly in the chicken breast, the turkey patty, or both. The study
also found that there was no statistical difference between a
participant who did and did not use a thermometer in achieving an end
point temperature of at least 165 [deg]F in both the chicken breast and
the turkey patty. Seventy-eight percent of participants that used a
thermometer to cook the chicken breast reached a final internal
temperature above 165 [deg]F, compared to 75 percent for those who did
not use a thermometer. Seventy-seven percent of participants who used a
thermometer to cook a turkey patty reached a final internal temperature
of at least 165 [deg]F, compared to 66 percent of participants who did
not use a thermometer.
[[Page 64700]]
In another observational study published in 2014,\98\ 120
volunteers were observed as they prepared chicken and salad in their
homes. The study participants chose the manner of chicken preparation.
Three volunteers prepared whole chicken, and all others prepared
chicken parts. The study found that the most common method of
determining whether the chicken was properly cooked was appearance. In
response to a questionnaire administered after meal preparation, the
study participants stated that to determine whether chicken was
properly cooked, they looked for white colored meat, absence of blood
or pink spots, and firm meat. The study found that 40 percent of the
chicken that the participants considered to be properly cooked
registered a temperature below 165 [deg]F.
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\98\ Bruhn, C.M. (2014). Chicken preparation in the home: An
observational study. Food Protection Trends, 34(5):318-330.
Available at: https://www.proquest.com/trade-journals/chicken-preparation-home-observational-study/docview/1640787777/se-2.
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In this study, fewer than 5 percent of the participants voluntarily
used a thermometer to record chicken temperature during meal
preparation. When asked by the researcher if they wanted to check the
cooked chicken's temperature, 34 percent of the participants checked
the internal temperature using either their own thermometer or the
thermometer provided by the researcher. When chicken temperature was
taken, the internal temperature of 60 percent of the cooked chicken
registered 165 [deg]F or above. However, 39 percent of households
stopped cooking even though the internal temperature of the poultry
registered below 165 [deg]F.
A 2020 study used a randomized experimental design and direct
observation of meal preparation to test the effectiveness of a USDA
food safety video intervention for consumer thermometer use.\99\ The
study was conducted in test kitchen facilities in which cameras
recorded participants' meal preparation from beginning to end. A total
of 383 people participated in the study, 201 in the control group (the
group that did not watch the food safety video) and 182 in the
treatment group. Before preparing the meal, the treatment group watched
a 3-minute USDA food safety video on the importance of using a food
thermometer. Participants in the control and treatment groups were
observed while cooking turkey burgers and preparing a salad to
determine whether the participants used a thermometer to determine
whether the turkey patties were properly cooked. Following meal
preparation, all participants responded to a post observation interview
about food handling behaviors.
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\99\ Duong M, Shumaker ET, Cates SC, Shelley L, Goodson L,
Bernstein C, Lavallee A, Kirchner M, Goulter R, Jaykus LA, Chapman B
(2020). An Observational Study of Thermometer Use by Consumers When
Preparing Ground Turkey Patties. J Food Prot. 83(7):1167-1174.
Available at: https://www.sciencedirect.com/science/article/pii/S0362028X2210339X.
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Sixty-one percent of the control group participants and 63 percent
of the treatment group participants reported owning a food thermometer,
which is consistent with the percentage of the respondents that
reported owning a food thermometer in the 2017 study discussed above
(62 percent). During the meal preparation session, the control group
used a thermometer to determine whether the turkey patties were
properly cooked 34 percent of the time, while the treatment group used
a thermometer 75 percent of the time. The control participants were
also less likely to insert the thermometer into the side of the patty
(23 percent), the recommended practice, than the treatment participants
(52 percent). Of the participants that used a thermometer and for whom
temperature data were available, the turkey patties were observed to
reach an internal temperature of 165 [deg]F 54 percent of the time for
the control group and 73 percent of the time for the treatment group.
Thus, while both the control and treatment groups were likely to own a
food thermometer, the control group was much less likely to use a food
thermometer, correctly place a thermometer, and cook patties to a safe
internal temperature than the treatment group.
The study also addressed whether the participants used methods
other than a thermometer to determine whether the turkey patty was
properly cooked. The study found that 45 percent of all participants
used a method other than a thermometer to determine that the turkey
patty was done cooking. Among participants who did not use the
thermometer and for whom usable data were available, 46 percent of
control group participants and 29 percent of the treatment group
participants relied on the firmness or texture of the patty to
determine that it was properly cooked, and 4 percent in the control
group and 16 percent in the treatment group relied on patty color.
Twenty-five percent of control group and 42 percent of treatment group
were observed using both firmness and color of the patty.
Thus, consumer research shows that, rather than using a thermometer
to check the internal temperature of whole chicken, chicken parts,
comminuted chicken products, and comminuted turkey products, many
consumers ordinarily rely on visual and textural cues to determine that
these products are properly cooked. However, because these subjective
cues have not been correlated with safe internal cooking temperature,
they are unreliable for gauging whether poultry products have reached
an internal temperature sufficient to destroy Salmonella that may be
present.\100\ As noted above, a 2014 observational study found that 40
percent of the chicken that participants considered to be properly
cooked based on subjective cues registered a temperature below 165
[deg]F. The 2017 survey study discussed above also cited a published
summary of food safety literature that concluded that 70 percent of
chicken pieces visually judged by consumers as ``done'' had not reached
a safe internal temperature.\101\ A European study that assessed the
effect of household cooking methods on the presence and numbers of
Salmonella Typhimurium in different types of raw poultry products found
that improper cooking produced inadequate heat treatments that did not
fully eliminate Salmonella from the products even when the initial
contamination levels were as low as 10 cfu/g.\102\ Thus, based on its
review of the available consumer research, FSIS has concluded that many
consumers do not cook chicken carcasses, chicken parts, comminuted
chicken, and comminuted turkey thoroughly and therefore, ordinary
consumer cooking practices associated with these products fail to
provide adequate assurance that the products will not be contaminated
when consumed.
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\100\ M. Duong et. al (2020).
\101\ Kosa, et al. (2017) citing CJ Byrd-Bredbenner et al.
(2013.) Food safety in home kitchens: a synthesis of the literature.
Int. J. Environ Res Publ Hlth 10:4060-4085.
\102\ Roccato A, Uyttendaele M, Cibin V, Barrucci F, Cappa V,
Zavagnin P, Longo A, Ricci A (2015). Survival of Salmonella
Typhimurium in poultry-based meat preparations during grilling,
frying and baking. Int J Food Microbiol 197:1-8. Available at:
https://www.sciencedirect.com/science/article/pii/S0168160514006011?via%3Dihub.
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Cross-Contamination. In addition to consumer behavior research that
found that many consumers ordinarily rely on visual and textural cues
to determine that raw chicken and turkey products are properly cooked,
recent studies also found that there are other ordinary consumer
practices that create conditions for Salmonella exposure from raw
poultry regardless of whether the products are properly cooked.
Consumer hand washing practices are
[[Page 64701]]
one example of this cross-contamination concern.
A 2015 observational study of consumers handling raw poultry as
part of an at-home meal preparation event found that hands were washed
12 percent of the time after handling raw poultry.\103\ Of note, 100
percent of the same study group responded on a pre-observation
questionnaire that they washed their hands before and after handling
raw poultry. Further, a 2016 observational study found that, during the
preparation and cooking process, 40 percent of participants correctly
washed their hands after handling raw whole chicken carcasses, and 46
percent correctly washed their hands after handling the raw ground
turkey product.\104\
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\103\ E Mazengia, et al. (2015). Direct Observational Study of
the Risk of Cross-Contamination during Raw Poultry Handling:
Practices in Private Homes. Food Protection Trends, 35/1, 8-23.
Available at: https://www.foodprotection.org/files/food-protection-trends/JAN-FEB-15-mazengia.pdf.
\104\ Maughan, et al. (2016). Food Handling Behaviors Observed
in Consumers When Cooking Poultry and Eggs. Journal of Food
Protection, 79/6, 970-977. Available at: https://www.sciencedirect.com/science/article/pii/S0362028X22080814?via%3Dihub. For the purposes of the study, proper
hand washing was defined as washing hands with soap for a minimum of
20 seconds immediately after touching the raw product and without
touching anything else.
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Research shows that washing poultry can spread bacteria to kitchen
surfaces and other foods.\105\ Studies also show that washing or
rinsing raw poultry is a pervasive consumer preparation practice that
raises cross-contamination concerns. For example, a 2019 survey of food
handling practices indicated that a lack of adherence to the
recommended practice to not wash or rinse raw poultry may have
widespread impact on two age groups more susceptible to contracting
foodborne illness--young children and older adults.\106\ The Web-based
survey found that only 39 percent of parents of young children (aged 5
years or younger) and only 31 percent of older adults (aged 60 years or
older) reported not rinsing or washing raw poultry. Further, in a 2014
study on observed consumer handling behavior, 120 participants were
asked to prepare in their home kitchen a chicken product and a salad.
Before the observation, the participants were asked to select and
purchase the ingredients, including a raw chicken carcass or part. The
study found that 45 percent of the participants washed the raw chicken
at the start of preparation.\107\
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\105\ Food Safety Consumer Research Project: Meal Preparation
Experiment Related to Poultry Washing Final Report (August 20,
2019). Available at: https://www.fsis.usda.gov/sites/default/files/media_file/2021-02/FSCRP_Year%2B2_Final_Aug2019.pdf.
\106\ Kosa, KM, et al. (2019). Older Adults and Parents of Young
Children Have Different Handling Practices for Raw Poultry. Journal
of Food Protection, 82(2), 200-206, available at: https://pubmed.ncbi.nlm.nih.gov/30673351/.
\107\ Bruhn, C.M. (2014). Chicken Preparation in the Home: An
Observational Study. Food Protection Trends, 34/5, 318-330,
available at: https://www.proquest.com/trade-journals/chicken-preparation-home-observational-study/docview/1640787777/se-2.
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Additional research indicates that food handling education on the
recommendation to not wash or rinse raw poultry may have limited impact
on consumer behavior. In 2016, a four-week intervention survey study
exposed participants to an educational pilot program developed to raise
awareness and influence consumers to not wash raw poultry.\108\ The
results indicated that, while the program improved both knowledge and
behavior of participants toward not washing raw poultry, the majority
of consumers that viewed and understood the material still reported
washing or rinsing raw poultry after the intervention program
concluded.\109\ These studies indicate that cross-contamination events
are common during poultry handling in home kitchens, and that
consumers' knowledge of proper food handling is often not correlated to
safe handling behaviors.
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\108\ Henley, S., et al. (2016). Don't Wash Your Chicken!: A
Food Safety Education Campaign to Address a Common Food Mishandling
Practice. Food Protection Trends, 36/1, 43-53, available at: https://www.foodprotection.org/files/food-protection-trends/jan-feb-16-henley.pdf.
\109\ Twenty-five percent of consumers in the intervention group
reported not washing whole raw poultry, compared to 20.1 percent of
consumers in the control group. Sixteen-point-three percent of
consumers in the intervention group reported not washing small cuts
of raw poultry, compared to 9.8 percent of consumers in the control
group.
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E. Risk per Serving, Salmonella Levels, and Proposed Determination
1. Final Product Standards Salmonella Level and Risk per Serving
Salmonella contamination and levels. The 2023 risk assessments
include analyses of FSIS testing of chicken and turkey products that
show that the proportion of raw chicken carcasses, chicken parts,
comminuted chicken and comminuted turkey products contaminated with
Salmonella is very low and that the levels are very low for
contaminated products (Table 3).
Table 3--Estimated Amount of Test Positive Samples per Salmonella Threshold
----------------------------------------------------------------------------------------------------------------
Chicken Chicken parts Comminuted Comminuted
carcasses (%) (%) chicken (%) turkey (%)
----------------------------------------------------------------------------------------------------------------
Tests Salmonella Negative....................... 96.92 93.31 72.90 84.26
Tests Salmonella Positive....................... 3.08 6.69 27.10 15.74
>=1 cfu/mL or /g............................ 9 2 11 12
>=10 cfu/mL or /g........................... 1 0.07 3 4
>=100 cfu/mL or /g.......................... 0.10 <0.01 1 1
----------------------------------------------------------------------------------------------------------------
Approximately 97 percent of chicken carcasses and 93 percent of
chicken parts test negative for Salmonella (i.e., results are below the
0.03 cfu/mL limit of detection (LOD)). Approximately 73 percent of
comminuted chicken and 84 percent of comminuted turkey test results are
below the 0.003 cfu/g LOD. Of the 3 percent of chicken carcasses that
test positive for Salmonella at the end of production, only 1 percent
have Salmonella levels at or above 10 cfu/mL, and 0.10 percent have
Salmonella levels at or above 100 cfu/mL. Of the chicken parts that
test positive for Salmonella, only 0.07 percent have levels at or above
10 cfu/mL, and less than 0.01 percent were found to have levels at or
above 100 cfu/mL. Of the 27 percent of comminuted chicken products that
test positive for Salmonella, only 3 percent have levels at or above 10
cfu/g, and 1 percent have levels at or above 100 cfu/g. Finally, of the
16 percent of comminuted turkey products that test positive for
Salmonella, only 4 percent have levels at or above 10 cfu/g, and 1
percent have levels at or above 100 cfu/g. Thus, given that the
majority of chicken carcasses, chicken parts, comminuted chicken, and
comminuted turkey have Salmonella at levels below 0.03 cfu/
[[Page 64702]]
mL(g), FSIS testing data shows that Salmonella levels at or above 10
cfu/mL(g) represent comparatively higher levels of contamination that
are infrequently identified in these raw poultry products.
Risk per Serving. The risk assessments also quantify and compare
the probability of illness associated with chicken carcasses, chicken
parts, comminuted chicken, and comminuted turkey contaminated with
Salmonella levels at or above 10 cfu/mL(g) with the average level of
contamination for these raw products. The risk assessments used two
dose-response models to provide a description of risk of illness per
serving for Salmonella from chicken carcasses, chicken parts,
comminuted chicken, and comminuted turkey products, when combined with
an attenuation distribution. This attenuation distribution describes
the variety of activities that occur between FSIS sampling a final
product lot and a consumer ingesting a serving from that lot. These
activities include product mixing, transportation, and cooking--all of
which can result in both Salmonella growth and die off.
A summary of probability of illness per serving for the main
scenarios that were considered in the risk assessments is provided in
Table 4. The average Salmonella level for product lots that test at or
above each threshold level are provided, along with the average dose
consumed, i.e., the level after attenuation, and likelihood that
consumers are exposed to such servings.
The model-derived baseline probability of illness for chicken
carcasses is 0.2 illnesses per 100,000 servings, for chicken parts is
0.3 illnesses per 100,000 servings, and 2.5 illnesses per 100,000
servings for comminuted chicken, and 2.5 illnesses per 100,000 servings
for comminuted turkey. Comparison of the threshold probability of
illness to the baseline quantifies how much higher than average the
risk per serving is for each scenario.
Table 4--Average characteristics (level, dose, and probability of
illness by serocluster) of failing lots for Salmonella threshold level
scenarios in FSIS-sampled products under consideration and the overall
likelihood of consumer exposure. The serotypes of public health
significance (Enteritidis, Typhimurium, and I 4,[5],12:i:- for chicken
products and Hadar, Typhimurium and Muenchen for Comminuted turkey) are
among the higher virulence Serotype Cluster
Salmonella Threshold Level Scenarios Under Consideration
[cfu/mL or g]
----------------------------------------------------------------------------------------------------------------
Measurement Product type 0.003 0.033 1 10 100
----------------------------------------------------------------------------------------------------------------
Average level for failing Chicken 0.48 1.65 16 97 682
lots (cfu/mL(g)). Carcasses.
Chicken Parts... 0.08 0.30 4 33 281
Comminuted 17 37 163 582 2,572
Chicken.
Comminuted 163 348 1,373 4,249 15,479
Turkey.
Average dose consumed for Chicken 0.08 0.26 3 15 108
average failing lot (cfu/ Carcasses.
serving).
Chicken Parts... 0.01 0.05 0.67 5 45
Comminuted 3 6 26 92 408
Chicken.
Comminuted 26 55 218 673 2,453
Turkey.
Probability of illness per Chicken 23 54 224 612 1,598
100,000 servings *, high Carcasses.
virulence.
Chicken Parts... 6 16 100 340 1,050
Comminuted 235 363 800 1,486 2,849
Chicken.
Comminuted 801 1,166 2,184 3,490 5,660
Turkey.
OR
Probability of illness per Chicken 4 9 42 119 329
100,000 servings *, low Carcasses.
virulence.
Chicken Parts... 1 3 18 64 211
Comminuted 44 69 158 305 611
Chicken.
Comminuted 158 235 460 761 1,287
Turkey.
Likelihood of consumer Chicken 11% 3% 0.27% 0.03% <0.01%
exposure to raw product at Carcasses.
or above initial level.
Chicken Parts... 31% 7% 0.17% <0.01% <0.01%
Comminuted 27% 13% 3% 0.79% 0.17%
Chicken.
Comminuted 16% 7% 2% 0.60% 0.16%
Turkey.
----------------------------------------------------------------------------------------------------------------
* Given average initial level multiplied by attenuation distribution.
As illustrated in Table 4, the risk assessments found that the
probability of illness for servings of raw chicken carcasses that are
contaminated with Salmonella levels at or above 10 cfu/mL and contain a
serotype of public health significance is 612 illnesses per 100,000
servings of raw chicken carcasses, while the average probability of
illness is 0.3 illnesses per 100,000 servings; the great majority of
which have levels far below 10 cfu/mL. Therefore, servings from
production lots of raw chicken carcasses that test positive for
Salmonella at levels of 10 cfu/mL or greater with a serotype of public
health significance are 2,000-fold (i.e., ~ 612/0.3) more likely to
cause illness than the average across all chicken carcass servings.
Thus, while there is a relatively low probability that individuals will
be exposed to carcasses that contain Salmonella at 10 cfu/mL, if
exposed, there is a much higher probability of illness, i.e., 2,000-
fold, when compared to exposure to the majority of servings from
chicken carcasses.
For raw chicken parts, the risk assessment found that chicken parts
servings that are contaminated with Salmonella levels at or above 10
cfu/mL at the end of production and contain a serotype of public health
significance have a probability of illness of 340 illnesses per 100,000
servings, while the average probability of illness is 0.3 per 100,000
servings for all servings; the great majority of which have levels
[[Page 64703]]
much below 10 cfu/mL. Therefore, servings from production lots of raw
chicken parts that test positive for Salmonella at levels at or above
10 cfu/mL with a serotype of public health significance are 1,100-fold
(i.e., ~340/0.3) more likely to cause illness than the average across
all chicken parts servings. Thus, while there is a relatively low
probability that consumers will be exposed to chicken parts that
contain Salmonella at 10 cfu/mL, if exposed, there is a much higher
probability of illness, i.e., 1,100-fold, when compared to exposure to
the majority of servings from raw chicken parts.
For raw comminuted chicken servings, the risk assessments found
that products that are contaminated with at least 10 cfu/g of
Salmonella at the end of production and contain a serotype of public
health significance have a 1,500 per 100,000 servings probability of
illness, while average probability of illness is 2.5 per 100,000
servings for all servings; the majority of which have levels below 10
cfu/g. Therefore, servings from production lots of comminuted chicken
that test positive for Salmonella at or above 10 cfu/g with a serotype
of public health significance are 590-fold (i.e., ~1,500/2.5) more
likely to cause illness than the average across all comminuted chicken
servings. Thus, while there is a relatively low probably that consumers
will be exposed to comminuted chicken that contains Salmonella at 10
cfu/g, if exposed, there is a much higher probability of illness, i.e.,
590-fold, when compared to the majority of servings of comminuted
chicken.
For raw comminuted turkey servings, the risk assessments found that
products that are contaminated with at least 10 cfu/g of Salmonella at
the end of production and contain a serotype of public health
significance have a 3,500 per 100,000 servings probability of illness,
while the average probability of illness is 2.5 per 100,000 servings
across all servings; the majority of which have levels below 10 cfu/g.
Therefore, servings from production lots of comminuted turkey that test
positive for Salmonella at or above 10 cfu/g with a serotype of public
health significance are 1,400-fold (i.e., ~3,500/2.5) more likely to
cause illness than the average across all comminuted turkey servings.
Thus, while there is a relatively low probability that consumers will
be exposed to comminuted turkey that contains Salmonella at 10 cfu/g,
if exposed, there is a much higher probability of illness, i.e., 1,400-
fold, when compared to the majority of servings of comminuted turkey.
Illnesses prevented. The risk assessments also predicted the total
number of illnesses prevented annually for chicken carcasses, parts,
and comminuted chicken and turkey for different Salmonella threshold
levels--0.03 cfu/ml(g), 1 cfu/mL(g), 10 cfu/mL(g), and 100 cfu/mL(g)
(Table 5). Uncertainty analyses were also run for the main scenarios
under consideration. A threshold set at the Salmonella detection level
for comminuted chicken and turkey (0.003 cfu/g) was not as effective as
the higher threshold levels in Table 5 below. Therefore, an analysis
evaluating the uncertainty around the predicted public health impact
for a threshold of 0.003 cfu/g Salmonella in comminuted poultry was not
evaluated in the risk assessments.
The resulting overlapping 95 percent credible intervals around the
estimated number of illnesses prevented suggest that there is little
meaningful difference in effectiveness between the threshold standards
with respect to annual illnesses prevented. However, as discussed
above, when compared with the majority of servings, chicken carcasses,
chicken parts, comminuted chicken, and comminuted turkey that contain
Salmonella at 10 cfu/mL(g) or higher present a much higher probability
of illness. Thus, based on the elevated probability of illness
associated with raw chicken carcasses, chicken parts, comminuted
chicken, and comminuted turkey associated with Salmonella levels at or
above 10 cfu/mL(g), FSIS is proposing 10 cfu/mL(g) as the Salmonella
level for the proposed final product standards.
Table 5--Annual Illnesses Prevented, Most Likely
[95% Credible Interval]
----------------------------------------------------------------------------------------------------------------
Chicken Comminuted Comminuted
Threshold level carcasses Chicken parts chicken turkey
----------------------------------------------------------------------------------------------------------------
0.03 cfu/mL(g)................... 4600 (2000, 7100) 7900 (3300, 12700) 1500 (800, 2200) 2500 (700, 4900)
1 cfu/mL(g)...................... 2400 (700, 5000) 1400 (400, 3600) 1400 (600, 2100) 2300 (600, 4800)
10 cfu/mL(g)..................... 1000 (200, 3100) 200 (40, 700) 1000 (400, 1900) 2000 (500, 4300)
100 cfu/mL(g).................... 200 (0, 1500) 20 (0, 100) 600 (200, 1500) 1400 (200, 3500)
----------------------------------------------------------------------------------------------------------------
2. Proposed Determination
After careful consideration of the information presented above,
FSIS has concluded that raw chicken carcasses, chicken parts,
comminuted chicken, and comminuted turkey contaminated with Salmonella
at or above 10 cfu/mL(g) and a serotype of public health significance
present an unacceptable risk of illness based on their risk per
serving. As discussed above, the 2023 risk assessments for chicken
found that production lots of raw chicken carcasses and raw chicken
parts contaminated with these Salmonella levels and serotypes are at
least 1,000 times more likely than average to cause illness across all
chicken parts and carcass servings, and that servings from production
lots of comminuted chicken and turkey contaminated with Salmonella at
these levels and serotypes are at least 590 times more likely than
average to cause illness across all comminuted chicken and turkey
servings.
Additionally, Salmonella has been associated with severe and
debilitating human illness and available data suggest that the
Salmonella infectious dose for the serotypes of public health concern
is relatively low. Information from consumer behavior research shows
that, rather than using a food thermometer to check the internal
temperature of whole chicken, chicken parts, comminuted chicken
products, and comminuted turkey products, many consumers ordinarily
rely on visual and textural cues to determine that these products are
properly cooked. Consumer research also shows that chicken that
consumers considered to be properly cooked based on these subjective
cues often had not reached an internal temperature sufficient to
destroy Salmonella that may be present, and one study found that for
certain poultry products, that application of inadequate heat
treatments from improper cooking was unable to assure complete
elimination of Salmonella even with a low initial contamination level
of 10 cfu/g. Information from consumer behavior research also shows
[[Page 64704]]
that ordinary consumer handling associated with chicken carcasses,
chicken parts, comminuted chicken, and comminuted turkey creates
conditions for Salmonella exposure from raw poultry through cross
contamination.
Thus, because Salmonella can survive what many consumers consider
to be ordinary cooking and handling practices for chicken carcasses,
chicken parts, comminuted chicken, and comminuted turkey, and because
the 2023 risk assessments found that servings of these products that
test positive for Salmonella at levels at or above 10 cfu/mL(g) and a
serotype of public health significance are much more likely to cause
illness when compared to the majority of chicken carcasses, chicken
parts, comminuted chicken, and comminuted turkey servings, FSIS has
tentatively determined that, when contaminated with Salmonella at these
levels and serotypes, these products are adulterated as defined in the
PPIA. Specifically, FSIS has tentatively concluded that these products
are adulterated as defined in 21 U.S.C. 453(g)(1) because their
elevated risk of illness renders them ``injurious to health.'' FSIS has
also tentatively concluded that they are adulterated as defined in 21
U.S.C. 453(g)(3) because their elevated risk of illness makes them
``unsound, unhealthful, unwholesome, or otherwise unfit for human
food.''
The adulteration definition in 21 U.S.C. 453(g)(1) includes two
separate standards for determining whether a product is adulterated.
Under 21 U.S.C. 453(g)(1), if a substance is an ``added substance'' the
product is adulterated if the substance ``may render'' the product
injurious to health. If the substance is not added, the product is
adulterated ``if the quantity of such substance in or on'' the product
``ordinarily'' renders it injurious to health.
As noted above, in response to the draft October 2022 Salmonella
Framework, FSIS received comments on whether Salmonella should be
considered as an ``added substance'' in raw poultry. Comments from
consumer advocacy organizations asserted that Salmonella should be
considered as an ``added substance'' because it is not normally present
in the muscle tissue of healthy birds. The comments stated that while
Salmonella is present in the gastrointestinal tract of live birds, it
is an ``added substance'' in poultry products because it only makes its
way onto to poultry muscle tissue through contamination that occurs
during slaughter and processing, specifically during defeathering and
evisceration. To support this position, the commenters referenced case
law that provides that where some portion of toxic substance present in
a food has been introduced by human intervention, the entirety of that
substance present in the food will be treated as an ``added
substance''.\110\
---------------------------------------------------------------------------
\110\ See United States v. Anderson Seafoods, Inc., 622 F.2d 157
(5th Cir. 1980); Continental Seafoods, Inc. v. Schweiker, 674 F.2d
38 (D.C. Cir. 1982).
---------------------------------------------------------------------------
Comments from trade associations representing the meat and poultry
industries asserted that Salmonella is not an ``added substance''
because it exists naturally in and on the live birds. The comments
stated that Salmonella can exist in a chicken's skin, muscle tissue,
and gut. A trade association representing the chicken industry cited
references that, according to the comment, show that researchers have
identified Salmonella in chicken neck skin, on the outer layer of skin,
on feather follicles, connective tissue, and in drumstick muscle. The
commenter also stated that literature shows correlations between
Salmonella loads on the farm and in birds and at various processing
steps, reinforcing that Salmonella enters the process via the chickens
themselves. A comment from a trade association representing the meat
and poultry industry stated that Salmonella can exist on the exterior
of the animal, harbor in feather follicles, and travel from the
gastrointestinal tract of poultry to the bloodstream, theoretically
providing a pathway for Salmonella to be distributed throughout the
bird.
In addition, the comments stated that the case law provides that to
be ``added,'' a substance must not otherwise be present in the food and
must be artificially introduced by a person.\111\ According to the
chicken industry trade association, the fact that Salmonella may be
present in greater expected concentrations in some parts of a chicken
than others does not make it an ``added substance'' in poultry muscle
because, as with any microbe, naturally-occurring Salmonella can be
spread through cross-contact during processing.
---------------------------------------------------------------------------
\111\ These commenters cite United States v. Coca Cola, 241 U.S.
265 (1915) and United States v. Anderson Seafoods, Inc. 622 F.2d
157, 160 (5th Cir. 1980).
---------------------------------------------------------------------------
FSIS had traditionally viewed Salmonella as ``naturally occurring''
in food animals.\112\ FSIS has previously rejected broad requests for
it to declare that Salmonella is considered an ``added substance'' in
all products,\113\ however, FSIS has not previously determined whether
certain circumstances, considering what current scientific data
indicates about Salmonella's spread to or within products, may render
Salmonella an ``added substance'' in the raw products covered by this
proposed framework. Before taking a position on whether there are any
circumstances in which Salmonella can be considered an ``added
substance'' in raw chicken carcasses, chicken parts, comminuted
chicken, and comminuted turkey, FSIS has decided to request additional
comments on both the legal and factual aspects of this issue.
---------------------------------------------------------------------------
\112\ See FSIS Final Response to Marler Clark LLP petition # 20-
01 ``Petition for an Interpretive Rule Declaring `Outbreak'
Serotypes of Salmonella enteritica subspecies to be Adulterants''
Available at: https://www.fsis.usda.gov/policy/petitions/petition-interpretive-rule-related-certain-Salmonella-serotypes.
\113\ See FSIS Final Response to Marler Clark petition.
---------------------------------------------------------------------------
As noted above, under 21 U.S.C. 453(g)(1), there are two
definitions for adulteration, depending on whether a substance in a
poultry product is ``added'' or ``not added.'' However, the PPIA does
not define the circumstances in which a substance in a poultry product
is ``added'' within the meaning of the statute. Prior court decisions
that address whether Salmonella is an adulterant in raw meat or poultry
products have never directly considered whether and under what
circumstances Salmonella may be considered an ``added substance'' under
the PPIA.\114\
---------------------------------------------------------------------------
\114\ See American Public Health Association (APHA) v. Butz, 511
F. 2d 331 (D.C. Cir. 1974); Continental Seafoods, Inc. v. Schweiker,
674 F.2d 38 (D.C. Cir. 1982); Supreme Beef Processors, Inc. v. USDA,
275 F.3d 432 (5th Cir. 2001).
---------------------------------------------------------------------------
As noted above, some of the comments on the October 2022 draft
Salmonella Framework asserted that Salmonella should be considered as
an ``added substance'' in raw poultry based on the holding in U.S. v.
Anderson Seafoods. The Anderson Seafoods case involved toxic levels of
mercury in swordfish. The issue before the court was whether all
mercury found in the swordfish should be considered as an ``added
substance'' under the adulteration provisions of the FFDCA \115\ when
some mercury in swordfish occurs naturally and some is the result of
man-made pollution. The court held that ``where some portion of a toxin
present in a food has been introduced by man, the entirety of that
substance present in the food will be
[[Page 64705]]
treated as an added substance'' as defined in the statute.\116\ Based
on this holding, some comments asserted that Salmonella should be
considered as an ``added substance'' in raw poultry because poultry
muscle does not normally contain Salmonella, and Salmonella only makes
its way onto to poultry muscle tissue through contamination that occurs
during slaughter and processing.
---------------------------------------------------------------------------
\115\ The adulteration definition in the FFDCA at issue in
Anderson Seafoods is, in relevant parts, identical to the definition
in the PPIA and provides that ``A food shall be deemed to be
adulterated (a)(1) if it bears or contains any poisonous or
deleterious substance which may render it injurious to health; but
in case the substance is not an added substance such food shall not
be considered adulterated under this clause if the quantity of such
substance in such food does not ordinarily render it injurious to
health''(21 U.S.C. s 342(a)(1)).
\116\ Anderson Seafoods, 622 F.2d at 161.
---------------------------------------------------------------------------
As noted by the comments, Salmonella is present in the
gastrointestinal tract of live birds, and there is evidence that
extraintestinal Salmonella exist in poultry skin, livers, bones, and
bone marrow before processing.\117\ Most Salmonella contamination on
carcasses is believed to result from leakage of ingesta during crop
removal and from feces during evisceration, as well as aerosolization
during picking.\118\ \119\ After poultry carcasses are scalded, the
carcasses travel through a series of defeathering machines where their
feathers are removed using mechanical pickers with rubber ``fingers.''
During the picking process, these rubber fingers not only can massage
Salmonella-contaminated water remaining from the scalder into the
carcass but can also inadvertently press on the abdomen of the carcass,
pushing out fecal matter and ingesta, resulting in transfer of
Salmonella to the carcass skin or to the machinery.\120\ The 2023 risk
profile identified studies that show that Salmonella can persist on
processing equipment after cleaning and sanitation,\121\ which
increases the potential for cross-contamination.
---------------------------------------------------------------------------
\117\ Rimet, C.S., et al. (2019). Salmonella Harborage Sites in
Infected Poultry That May Contribute to Contamination of Ground
Meat. Frontiers in Sustainable Food Systems 3(2). see also Jones-
Ibarra, A.M., et al. (2019). Salmonella recovery from chicken bone
marrow and cecal counts differ by pathogen challenge method. Poult
Sci 98(9): 4104-4112. see also Cox, N.A., et al. (2007). Recovery of
Campylobacter and Salmonella Serovars from the Spleen, Liver and
Gallbladder, and Ceca of Six-and Eight-Week-Old Commercial Broilers.
Journal of Applied Poultry Research 16(4): 477-480.
\118\ National Advisory Committee on Microbiological Criteria
for Foods. (2019). Response to Questions Posed by the Food Safety
and Inspection Service Regarding Salmonella Control Strategies in
Poultry. J Food Prot. 82(4):645-668.
\119\ Singh M and Thippareddi H (2020). Managing Microbiological
Food Safety Risks in Poultry Processing. White Paper for 3M Food
Safety at: https://berstlerllc.com/wp-content/uploads/2023/03/3M-Food-Safety-Poultry-Segment-Whitepaper.pdf.
\120\ Singh 2020.
\121\ Obe, T., et al., Prevalence of Salmonella Enterica on
Poultry Processing Equipment after Completion of Sanitization
Procedures. Poultry Science, 2020. 99(9): p. 4539-4548. Veluz, G.A.,
S. Pitchiah, and C.Z. Alvarado, Attachment of Salmonella Serovars
and Listeria Monocytogenes to Stainless Steel and Plastic Conveyor
Belts. Poultry Science, 2012. 91(8): p. 2004-2010. Rothrock, M.J.,
Jr., et al., The Characterization of Salmonella Enterica Serotypes
Isolated from the Scalder Tank Water of a Commercial Poultry
Processing Plant: Recovery of a Multidrug-Resistant Heidelberg
Strain. Poultry Science, 2015. 94(3): p. 467-472. Bailey, J.S., et
al., Sources and Movement of Salmonella through Integrated Poultry
Operations: A Multistate Epidemiological Investigation. Journal of
Food Protection, 2001. 64(11): p. 1690-7.
---------------------------------------------------------------------------
Another step in the process in which Salmonella may be spread to or
increased in poultry carcasses is evisceration. During evisceration,
Salmonella that is present in the gastrointestinal tract may be
transferred to the skin and other carcass surfaces due to rupture of
the viscera when the carcass is opened.\122\ Additionally, the 2023
risk profile found that although used as a control step, immersion
chilling may be an opportunity for cross-contamination of broiler
carcasses. For example, in one study, a lower incidence of Salmonella
in air-chilled broilers compared to immersion-chilled broilers (18.7
percent to 24.7 percent positive carcasses) suggests that cross-
contamination may be more prevalent for immersion-chilled
broilers.\123\
---------------------------------------------------------------------------
\122\ Singh (2020); National Advisory Committee on
Microbiological Criteria for Foods. (2019). Response to Questions
Posed by the Food Safety and Inspection Service Regarding Salmonella
Control Strategies in Poultry. J Food Prot. 82(4):645-668.
\123\ Smith, D.P., J.A. Cason, and M.E. Berrang, Effect of Fecal
Contamination and Cross Contamination on Numbers of Coliform,
Escherichia coli, Campylobacter, and Salmonella on Immersion-Chilled
Broiler Carcasses. Journal of Food Protection, 2005. 68(7): p. 1340-
1345.
---------------------------------------------------------------------------
In addition to processes that can contribute to Salmonella
contamination on poultry carcasses during slaughter and processing,
further processing of carcasses into other commodities may also add
Salmonella to or increase Salmonella in finished poultry parts, such as
wings, breasts, and thighs. FSIS sampling data show that further
processed chicken parts have a higher incidence of Salmonella compared
to carcasses.\124\ This difference is likely because of cross
contamination between positive and negative parts and carcasses during
further processing.\125\ \126\ Further processing presents various
opportunities in which Salmonella that is present in certain parts of
the bird may be added to interior edible muscle where Salmonella is not
ordinarily found. For example, Salmonella can be found in feather
follicles in the skin.\127\ \128\ When the skin is cut, Salmonella can
be exposed and spread during processing to previously uncontaminated
product and/or increased in product with low levels of
contamination.\129\ In addition, Salmonella-negative raw poultry parts
and comminuted poultry may become cross-contaminated by contact with
Salmonella-contaminated equipment or when they are commingled with
Salmonella-positive products, such as when they are collected in combo
bins for further processing.\130\ \131\
---------------------------------------------------------------------------
\124\ Sampling Results for FSIS-Regulated Products. Available
at: https://www.fsis.usda.gov/science-data/sampling-program/sampling-results-fsis-regulated-products.
\125\ FSIS Guidance for Controlling Salmonella in Poultry (June
2021) p. 59. Available at: https://www.fsis.usda.gov/sites/default/files/media_file/2021-07/FSIS-GD-2021-0005.pdf.
\126\ Codex Guideline for the Control of Campylobacter and
Salmonella in Chicken Meat at: https://www.fao.org/fao-who-codexalimentarius/sh-proxy/en/?lnk=1&url=https%253A%252F%252Fworkspace.fao.org%252Fsites%252Fcodex%252FStandards%252FCXG%2B78-2011%252FCXG_078e.pdf.
\127\ Kim J-W and Slavik MF. 1996. Cetylpyridinium Chloride
(CPC) treatment on poultry skin to reduce attached Salmonella. J.
Food Prot. 59: 322-326.
\128\ Wu D, Alali WQ, Harrison MA, and Hofacre CL. 2014.
Prevalence of Salmonella in neck skin and bone of chickens. J Food
Prot. 77(7): 1193-1197.
\129\ FSIS Guidance for Controlling Salmonella in Poultry (June
2021) pp. 59-60.
\130\ FSIS Guidance for Controlling Salmonella in Poultry (June
2021) pp. 59.
\131\ Codex Guideline for the Control of Campylobacter and
Salmonella in Chicken Meat.
---------------------------------------------------------------------------
Comminuted products are those that are ground, mechanically
separated, or hand- or mechanically deboned and further chopped,
flaked, minced, or otherwise processed to reduce particle size. Because
of the nature of comminuted processes, Salmonella contamination in
chicken skin and bone can spread throughout an entire batch or lot
through cross-contamination. FSIS sampling data show that ground and
other raw comminuted chicken products that were produced using either
bone-in or skin-on source materials were more likely to be contaminated
with Salmonella than those fabricated from deboned, skinless source
materials.\132\ Salmonella-contaminated equipment used to produce
comminuted poultry may also contribute to Salmonella contamination in
these products.
---------------------------------------------------------------------------
\132\ FSIS Guidance for Controlling Salmonella in Poultry (June
2021) pp. 65-66, Table 4 FSIS exploratory sampling test results, raw
comminuted chicken by source material composition (6/1/13-6/30/15,
2,688 samples.
---------------------------------------------------------------------------
FSIS requests comments on whether the available science supports
that some Salmonella in a raw poultry product is ``naturally
occurring'' and some is ``added.'' FSIS also requests comments on
whether, under the reasoning of Anderson Seafoods or another rationale,
the Agency has authority to regulate Salmonella as an ``added
substance'' if it can demonstrate that some Salmonella can be
artificially
[[Page 64706]]
introduced into raw poultry products through processing procedures and
other actions attributable to man.
As discussed above, consumer behavior research shows that
Salmonella can survive what many consumers consider to be ordinary
cooking and handling practices for chicken carcasses, chicken parts,
comminuted chicken, and comminuted turkey. In addition, the 2023 risk
assessments, which modeled a broad distribution of consumer cooking
behavior, found that servings of these products that test positive for
Salmonella at levels at or above 10 cfu/mL(g) and a serotype of public
health significance are much more likely to cause illness when compared
to the majority of chicken carcasses, chicken parts, comminuted
chicken, and comminuted turkey servings. Thus, regardless of whether
Salmonella is considered as an ``added substance,'' FSIS tentatively
determines through this proposal that raw chicken carcasses, chicken
parts, comminuted chicken, and comminuted turkey that contain
Salmonella levels at or above 10 cfu/mL(g) and a serotype of public
health significance are adulterated under 21 U.S.C. 453(g)(1) because
when contaminated with these levels and serotypes of Salmonella, the
high likelihood that raw chicken carcasses, chicken parts, comminuted
chicken, and comminuted turkey will result in illnesses when compared
to the average serving of these products ``ordinarily'' renders them
injurious to health. Additionally, through this proposal, FSIS
tentatively determines that raw chicken carcasses, chicken parts,
comminuted chicken, and comminuted turkey contaminated with Salmonella
levels and serotypes in the proposed final product standards are
adulterated as defined in 21 U.S.C. 453(g)(3) because their elevated
risk of illness makes them ``unsound, unhealthful, unwholesome, or
otherwise unfit for human food.'' This tentative determination does not
depend on the status of Salmonella as an ``added substance.''
FSIS requests comments on its proposed determination that, when
contaminated with Salmonella at the levels and serotypes provided in
the final products standards, chicken carcasses, chicken parts,
comminuted chicken, and comminuted turkey are adulterated as defined in
21 U.S.C. 453(g)(1) and (3) and whether there are alternative bases for
determining adulteration for these poultry products.
F. Proposed Policy Implementation
1. HACCP Reassessment
The HACCP system regulations require that every establishment
reassess the adequacy of its HACCP plan at least annually and whenever
any changes occur that could affect the underlying hazard analysis or
alter the HACCP plan (9 CFR 417.4(a)(3)). If finalized, FSIS' proposed
determination that chicken carcasses, chicken parts, comminuted chicken
and comminuted turkey that contain Salmonella levels of 10 cfu/mL(g) or
higher and any detectable levels of a serotype of public health
significance are adulterated would be such a change. Thus, if FSIS
finalizes this proposed determination, all establishments that produce
chicken carcasses, chicken parts, comminuted chicken, and comminuted
turkey as final products that will enter commerce would need to
reassess their HACCP plans. Establishments that make changes to their
production process because of their reassessment would also need to re-
validate their HACCP plans. FSIS would issue instructions to IPP in
establishments that produce these final products to verify that these
establishments have completed their reassessment before the effective
date of any final determination resulting from this proposal.
2. Proposed Implementation and Status of Laboratory Methods
Products subject to verification sampling. Should FSIS finalize
these proposed standards, the Agency intends to conduct a routine
sampling and verification testing program for Salmonella in chicken
carcasses, chicken parts, comminuted chicken, and comminuted turkey in
which the Agency would collect samples of raw final products and
analyze them for Salmonella levels and serotypes to determine whether
the final product is adulterated. FSIS would collect the verification
samples after the establishment has completed all validated
antimicrobial interventions. Under the proposed Salmonella verification
testing program, FSIS intends to only collect and analyze samples of
the final poultry products produced by an establishment, i.e., chicken
carcasses to be shipped in commerce as whole chickens, chicken parts to
be shipped in commerce as chicken parts, comminuted chicken to be
shipped in commerce as comminuted chicken products, and comminuted
turkey to be shipped in commerce as comminuted turkey products. Thus,
under this proposal, if a chicken slaughter establishment uses
carcasses processed in the establishment to produce other final
products, such as chicken parts or comminuted chicken, FSIS would not
collect whole carcass samples as part of the proposed verification
sampling program. Likewise, chicken parts produced by an establishment
that are intended for use in another final product produced by the
establishment, such as comminuted chicken, would not be subject to FSIS
verification sampling. FSIS also does not intend to collect samples of
mechanically separated chicken or mechanically separated turkey under
the proposed verification sampling program. However, final comminuted
chicken and turkey products that contain mechanically separated chicken
or turkey would be eligible for verification sampling.
The final product samples collected under the proposed verification
sampling plan would be determined on an establishment basis. Thus, all
raw final products produced by an establishment that are not intended
to be further processed into a RTE product would be subject to
verification sampling regardless of where the product is shipped. For
example, FSIS would consider whole carcasses or parts to be final
products subject to verification sampling if the establishment that
produced the carcasses or parts ships them to another establishment for
further processing into a raw parts or comminuted product. FSIS would
not, however, collect verification samples from raw whole carcasses,
parts, or comminuted products that are shipped to another establishment
for cooking or to be further processed into a ready-to-eat product. If
off-site interventions, such as high-pressure processing or
irradiation, are applied to prevent or control Salmonella, FSIS would
sample the product after the off-site intervention is applied.
Additionally, should FSIS finalize these proposed final product
standards, the Agency intends to conduct testing for Salmonella of
imported raw chicken carcasses, chicken parts, comminuted chicken, and
comminuted turkey products in accordance with FSIS' import reinspection
procedures.\133\ Poultry imports represent a small fraction of the U.S.
domestic poultry supply, accounting for less than 0.5
[[Page 64707]]
percent in 2021. Currently, FSIS samples and tests imported chicken
carcasses, chicken parts, comminuted chicken, and comminuted turkey for
the presence of Salmonella. According to data from PHIS, in 2021, FSIS
collected and analyzed about 850 samples of imported chicken and turkey
products, which represented about 15.8 million pounds of product. These
samples were mainly from chicken parts and carcasses, as imports of
comminuted chicken and turkey are relatively low. While data on the
volume of imported product with results at or above 10 cfu/mL(g) are
not available, FSIS estimates this would be a relatively low volume of
product.
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\133\ FSIS Directive 9900.2, Import Reinspection of Meat,
Poultry and Egg Products (Rev. 2)(Oct 12 2021). Available at:
https://www.fsis.usda.gov/policy/fsis-directives/9900.2.
FSIS Directive 9900.6, Laboratory Sampling Program for Imported
Meat, Poultry, and Egg Products (Nov 3, 2015). Available at: https://www.fsis.usda.gov/policy/fsis-directives/9900.6.
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Sample analysis. The detection and isolation methodology for
Salmonella is described in MLG chapter 4.14, of the FSIS Microbiology
Laboratory Guidebook.\134\ Based on current FSIS methodologies, when
sampling the chicken carcasses and parts under this proposed
determination, FSIS would collect a rinsate sample from the
establishment to analyze 30 mL per test for Salmonella. When sampling
comminuted chicken or comminuted turkey, the Agency would collect 1
pound of the product from the establishment to analyze 325 g per test
for Salmonella. Samples would be initially screened, post-enrichment,
for the presence or absence of Salmonella. Samples that screen negative
would be reported as ``negative.'' For samples that screen positive,
FSIS would use selective and differential culture-based media and
proteomics testing to confirm. In parallel, all screen positives will
be analyzed for levels and targeted rapid serotype screening. A sample
is considered confirmed positive for Salmonella after completion of
confirmatory tests. Any chicken carcass, chicken parts, comminuted
chicken, or comminuted turkey final product sample ``confirmed
positive'' with Salmonella levels of 10 cfu/mL(g) or higher and
screened positive for a serotype of public health significance would
not be allowed to enter commerce. Any chicken carcass, chicken parts,
comminuted chicken, or comminuted turkey final product sample that
contains Salmonella levels of 10 cfu/mL(g) or higher and a serotype of
public health significance would be considered adulterated.
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\134\ FSIS Microbiology Laboratory Guidebook available at:
https://www.fsis.usda.gov/news-events/publications/microbiology-laboratory-guidebook.
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Based on current testing methodologies, FSIS estimates that
Salmonella screening results and quantification results would routinely
be available 2 days after a sample is taken. For samples above the
quantification threshold, an additional 3 days may be necessary for a
confirmed positive or negative result. Currently, the routine procedure
is to use WGS to determine Salmonella isolate sequence, serotypes, and
antimicrobial resistance (AMR) profile, which require at least 14 days
for result reporting. FSIS could use a non-routine molecular serotyping
methodology to determine the serotype in a more time sensitive manner
such that results would be available by Salmonella confirmation, 5 days
after sample collection, if not sooner.
FSIS is proposing the combined quantification and serotype final
product standards recognizing current efforts underway by ARS and
private sector laboratories to develop rapid, reliable, Salmonella
quantification and serotyping technologies. FSIS is actively working to
explore technologies that may have the capability of WGS in determining
serotype and reduce the current timeframe. All timeframes and methods
are likely to change as FSIS continuously incorporates new laboratory
technologies into its sampling verification program. Any final
verification sampling plan resulting from this proposal would use
testing methods that are validated and fit for purpose.
FSIS requests comments on available technologies and methods for of
quantification and serotyping. If FSIS finalizes this proposed sampling
plan, data gathered from the sampling plan would enable the Agency to
gauge more precisely the hazard posed by certain Salmonella levels and
serotypes in chicken carcasses, chicken parts, comminuted chicken, and
comminuted turkey. FSIS intends to further evaluate and, if necessary,
refine the proposed status of Salmonella as an adulterant in these raw
poultry products as advances in science and technology related to
pathogen levels, serotypes, and virulence genes become available.
Sampled Lot. When FSIS tests a product sample for adulterants, the
Agency withholds its determination as to whether product is not
adulterated, and thus eligible to enter commerce, until all test
results that bear on the determination have been received (77 FR
73401). Under this policy, establishments and importers of record at
official import inspection establishments must maintain control of
products tested for adulterants to ensure that the products do not
enter commerce while waiting for receipt of the test results. Thus, if
FSIS finalizes its proposed routine Salmonella verification testing
program for chicken carcasses, chicken parts, comminuted chicken, and
comminuted turkey, establishments that produce these raw products and
official import inspection establishments where these raw products are
reinspected would need to control and maintain the integrity of the
sampled lot pending the availability of test results.
Under any final verification sampling plan, FSIS IPP would give
establishments and official import inspection establishments advance
notice before IPP collect a product sample for Salmonella to give these
entities enough time to control the sampled lot without altering the
process that the sample represents. The sampled lot is the product
represented by the sample collected and analyzed by FSIS.
Establishments are responsible for providing a supportable basis for
defining the sample lot. For sampling purposes, product lots should be
defined such that they are microbiologically independent.
Microbiological independence is documented by separation, e.g.,
physical, temporal, or by sanitation intervention, that clearly
delineates the end of one production lot and the beginning of the next.
The microbiological results from one test are independent of prior or
later lots. In other words, if a product sample tests positive for
Salmonella at a level of 10 cfu/mL(g) or higher and contains a
detectable level of at least one serotype of public health
significance, products from other production lots should not be
implicated, provided the establishment can support that the lots remain
microbiologically independent.
Generally, FSIS recommends that establishments develop and
implement in-plant sampling plans that define production lots or sub-
lots that are microbiologically independent of other production lots or
sub-lots. Production lots that are so identified may bear distinctive
markings on the shipping cartons. FSIS has issued guidance to help
establishments and official import inspection establishments comply
with the Agency's policy that does not allow product that FSIS has
tested for adulterants to enter commerce until test results become
available.\135\ In addition to providing guidance on adequate control
measures that establishments and official import inspection
establishments can implement for products tested for adulterants, the
document also includes guidance on
[[Page 64708]]
how to define a product lot in order to determine the amount of product
that must be controlled pending test results. If FSIS finalizes the
proposed new standards for chicken carcasses, chicken parts, comminuted
chicken, and comminuted turkey, FSIS would consider updating the
guidance to cover Salmonella sampling of these raw poultry products.
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\135\ FSIS Compliance Guideline: Controlling Meat and Poultry
Product Pending FSIS Test Results (2013) at: https://www.fsis.usda.gov/guidelines/2013-0003.
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As discussed above, establishments would be required to control the
raw poultry products sampled by FSIS pending the test results. If test
results detect Salmonella at a level of 10 cfu/mL(g) or higher and at
least one Salmonella serotype of public health significance, FSIS would
consider products represented by the sampled lots to be adulterated and
would issue an NR. Additionally, all products in the lot represented by
the sample would be prohibited from entering commerce. If any product
from the lot represented by the product samples has entered commerce,
FSIS would request that the producing establishment recall the
implicated products. Depending on the circumstances, in addition to
issuing an NR, FSIS could take other appropriate enforcement action as
authorized in 9 CFR part 500 because the establishment would have
produced and shipped adulterated product. Such actions may include
immediately suspending inspection or issuing an NOIE.
For imported products tested at port of entry, if the product tests
positive for Salmonella at 10 cfu/mL(g) or higher and any detectable
level of a Salmonella serotype of public health significance and has
not been held at the official import inspection establishment or at an
off-site premises under adequate controls, FSIS would request that the
importer of record recall the product. If the product has been held,
the product will be refused entry. Product lots subsequently presented
for import inspection from the same foreign country and establishment
would be held at the official import inspection establishment pending
results in accordance with FSIS' import reinspection procedures.\136\
The FSIS Office of International Coordination would notify the program
officials of the affected exporting country when a positive result is
reported, so that they can determine whether the producing
establishment has exported any other product from the same production
lot to the United States. If the foreign establishment has properly
defined the product lot on the basis of specific control factors, and
accurately tracked the containerization of product produced under those
controls, the establishment can reduce the likelihood that adulterated
product will enter commerce and can more easily recover product if a
sample is positive for Salmonella levels and serotypes that would
render the product adulterated.
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\136\ FSIS Directive 9900.8, Meat, Poultry, and Egg Products
Refused Entry into the United States (Dec. 1 2020). Available at:
https://www.fsis.usda.gov/policy/fsis-directives/9900.8.
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Proposed implementation. To mitigate the impact of regulatory
changes on small and VS establishments, FSIS has typically used a
phased approach for implementation to provide additional time for small
and VS establishments to adjust their operations to comply with any new
regulatory requirements. FSIS defines large, small, and VS
establishments based on the number of establishment employees and, for
VS establishments, annual sales.\137\
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\137\ Large establishments are establishments with 500 or more
employees, small establishments are establishments with 10 or more
employees but fewer than 500, and very small establishments are
establishments with fewer than 10 employees or annual sales of less
than $2.5 million.
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Should FSIS finalize the proposed final product standards, the
Agency intends to use a phased approach to initiate verification
sampling in establishments that produce raw chicken carcasses, chicken
parts, comminuted chicken, and comminuted turkey. However, instead of
implementing the Agency's verification sampling program based on the
current large, small, and VS establishment size definitions, FSIS has
tentatively decided to establish implementation dates based on annual
number of birds slaughtered or, for establishments that do not conduct
slaughter operations, production volume. The current small
establishment size definition was established in the HACCP final rule
and corresponded to the Small Business Administration's size standards
for business entities at that time (61 FR 38819). However, because FSIS
has applied these standards to individual establishments rather than
business entities, establishments classified as ``small'' may have up
to 500 employees. Thus, FSIS believes that a phased implementation
based on production volume would be a more effective approach to
mitigate the impact of this proposed determination on low and VLV
establishments than the current establishment size definitions.
As FSIS implements the final product standards verification
sampling program, the Agency has tentatively decided to phase out all
current Salmonella performance standards for poultry. Thus, when the
proposed final product verification sampling program is fully
implemented, FSIS would no long use Salmonella sampling results to
categorize poultry establishments and would no longer publish these
establishments' performance standards categories on the FSIS website.
FSIS evaluates and revises its sampling and testing programs each year.
Any final verification sampling program resulting from this proposal
would be sufficient to verify that establishments are meeting the final
product standards.
The proposed production volume categories and proposed verification
sampling implementation schedule are as follows.
Table 6--Proposed Implementation Dates
------------------------------------------------------------------------
Establishment volume category Implementation date
------------------------------------------------------------------------
High...................................... 1 year after publication.
Medium.................................... 2 years after publication.
Low....................................... 3 years after publication.
Very Low.................................. 3 years after publication.
------------------------------------------------------------------------
Table 7--Proposed Volume Categories Chicken Parts
------------------------------------------------------------------------
Definition (annual
Volume category production pounds)
------------------------------------------------------------------------
High...................................... Over 70,000,000.
Medium.................................... Between 1,000,000 and
70,000,000.
Low....................................... Less than 1,000,000.
------------------------------------------------------------------------
Table 8--Proposed Volume Categories Chicken Carcasses
------------------------------------------------------------------------
Definition (birds
Establishment volume category slaughtered per year)
------------------------------------------------------------------------
High...................................... Over 10 million.
Medium.................................... Between 1.1 and 10 million.
Low....................................... Between 440,001 and < 1.1
million.
Very Low.................................. No more than 440,000.
------------------------------------------------------------------------
Table 9--Proposed Volume Categories Comminuted Chicken and Turkey
------------------------------------------------------------------------
Definition (daily production
Volume category pounds)
------------------------------------------------------------------------
High...................................... Over 250,000.
Medium.................................... Between 6,001 and 250,000.
Low....................................... No more than 6,000.
------------------------------------------------------------------------
FSIS requests comments on this proposed implementation approach and
on the proposed establishment production volume categories. FSIS also
requests comments on whether the Agency should phase out the current
performance standards as the Agency implements the final product
standards or if the Agency should retain the current performance
standards and later determine if these standards are still
[[Page 64709]]
needed when evaluating the effectiveness of the proposed final product
standards.
FSIS also requests comments on whether the Agency should consider
an alternative implementation approach that would focus its final
product verification sampling on establishments that have a
demonstrated lack of process control. Under such an approach, FSIS
would establish a microbial process control standard based on a
threshold or some other parameter and require that establishments
conduct sampling at a frequency sufficient to demonstrate that they are
meeting the process control standard. Establishments whose results
exceed the process control standard would be required to conduct
intensified sampling, including environmental sampling and sampling at
multiple points in the process, to determine if the initial results
were an outlier or if there are problems with the establishment's
production process. If an establishment's intensified sampling results
show that it is meeting the process control standard, the establishment
would return to the standard sampling protocol. If the establishment
continues to exceed the process control standard, it would be required
to take corrective actions and continue to conduct intensified
sampling. If the establishment exceeds the process control standard
again, FSIS would collect and analyze final product samples for
Salmonella levels and serotypes because, at this point, the
establishment would have a record that demonstrates that there are
problems with its production process. The establishment would be
required to control product represented by the sampled lot pending
FSIS' test results. Product that tests positive for Salmonella at or
above 10 cfu/mL(g) and a Salmonella serotype of public health
significance would be considered unfit for human food and would be
prohibited from entering commerce. If the establishment released the
product into commerce, the product would be subject to recall.
III. Component Two: Enhanced Establishment Process Control Monitoring
A. Background and Current Regulatory Requirements
Process control monitoring, in the context of poultry slaughter,
consists of the programs and procedures an establishment implements to
ensure its processes are operating as intended in preventing
contamination (including contamination with enteric pathogens and fecal
material) of poultry carcasses and parts throughout the slaughter and
dressing process and to ensure that the resulting products meet
applicable regulatory standards or definitions (79 FR 49565, 49602).
Establishments must demonstrate that their process is in control by
implementing verification procedures, collecting data, and developing
and maintaining accurate records to demonstrate that their processes
and procedures are performing as intended and as required (9 CFR
381.65(g) and (h) and 9 CFR part 417). An effective process control
system entails an establishment responding effectively to re-establish
control when its ongoing verification activities show that its
processes are not producing the expected results. Effective process
control monitoring procedures should lead to lower rates of pathogen
contamination because establishments will discover deficiencies in
processing sooner and more reliably than would be the case without
effective process control monitoring procedures.
Contamination of poultry carcasses and parts by enteric pathogens
and fecal material (e.g., Salmonella and Campylobacter) are hazards
reasonably likely to occur in poultry slaughter establishments unless
addressed in a sanitation SOP or other prerequisite program (79 FR
49565, 49613). To ensure that establishments that slaughter poultry
implement appropriate measures to prevent carcasses from becoming
contaminated with pathogens, and that both FSIS and establishments have
the documentation to verify the effectiveness of these measures on an
on-going basis, current regulations require, among other things, that
all establishments that slaughter poultry other than ratites develop,
implement, and maintain written procedures to prevent contamination of
poultry carcasses and parts by enteric pathogens and fecal material
throughout the entire slaughter and dressing operation (9 CFR
381.65(g)). Establishments are required to incorporate their process
control procedures into their HACCP plan, sanitation SOPs, or other
prerequisite programs (collectively, ``the HACCP system'') and maintain
daily records sufficient to document the implementation and monitoring
of these procedures (9 CFR 381.65(g) and (h)).
Microbiological test results that represent levels of
microbiological contamination at key steps in the slaughter process are
necessary for establishments to provide comprehensive, objective
evidence that they are effectively maintaining process control to
prevent carcasses from becoming contaminated before and after they
enter the chiller (79 FR 49565, 49602). At present, establishments
conduct pre-chill testing to monitor how well an establishment is
minimizing contamination on live birds coming to slaughter and on
carcasses throughout the slaughter and dressing process, and post-chill
testing to monitor how well an establishment is minimizing
contamination during chilling and the overall effectiveness of any
antimicrobial interventions that were applied (79 FR 49565, 49566).
FSIS also collects a verification sample at the post-chill location and
tests for Salmonella and Campylobacter. In 2012, FSIS considered
requiring a third establishment sampling location at rehang (i.e.,
after picking and prior to evisceration) to monitor the incoming load
of pathogens but concluded that it was unnecessary to impose the
additional costs on industry (77 FR 4407, 4428).
Regulations at 9 CFR 381.65 (h) and 9 CFR 417.5 (a)(1) require
establishments to document their procedures and results in records
subject to Agency verification. At a minimum, these procedures must
include sampling and analysis for microbial organisms at the pre- and
post-chill location to monitor for process control, with an exception
for VS and VLV establishments operating under the Traditional
Inspection System (9 CFR 381.65 (g)(1)).\138\ In 2014, FSIS stated that
because these establishments are typically less automated and run
slower line speeds than larger establishments operating under other
inspection systems, they may require less complicated measures for
maintaining and monitoring process control on an ongoing basis (79 FR
49565, 49603). Therefore, at present, they are required to collect and
analyze samples for microbial organisms only at the post-chill
location.
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\138\ Very small establishments are establishments with fewer
than 10 employees or annual sales of less than $2.5 million dollars
(9 CFR 381.65(g)(1)(i)). Very low volume establishments annually
slaughter no more than 440,000 chickens, 60,000 turkeys, 60,000
ducks, 60,000 geese, 60,000 guineas, or 60,000 squab (9 CFR
381.65(g)(1)(ii)). Traditional Inspection must be used for turkeys
when neither the New Turkey Inspection System (NTI) nor the New
Poultry Inspection System (NPIS) is used. For other classes of
poultry, Traditional Inspection must be used when SIS, NELS, and the
NPIS are not used (9 CFR 381.76(b)(1)(v)).
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In addition to prescribing the sampling locations for monitoring
process control, the regulations specify a minimum sampling frequency
to ensure establishments can detect changes in processing or
inconsistencies
[[Page 64710]]
that may occur (79 FR 49565, 49604). At a minimum, for chickens,
establishments are required to collect a pair of pre-and post-chill
samples once per 22,000 processed carcasses, but at a minimum of once
each week of operation, and for turkeys, ducks, geese, guineas, and
squab, establishments are required to collect a pair of samples once
per 3,000 processed carcasses but a minimum of once each week of
operation (9 CFR 381.65(g)(2)(i)). To minimize the sampling costs to
the lower volume establishments, VLV establishments must minimally
collect and analyze samples at least once during each week of operation
starting June 1 of every year. If, after consecutively collecting 13
weekly samples, an establishment can demonstrate that it is effectively
maintaining process control, it may modify its sampling plan (9 CFR
381.65(g)(2)(ii)). All establishments are required to conduct testing
at a frequency sufficient to detect a loss of process control soon
after it occurs so that they can take the necessary corrective actions
to prevent further product contamination (79 FR 49565, 49605).
Therefore, regardless of the prescribed minimum sampling frequency, the
establishment must sample at a frequency that is adequate to monitor
their ability to maintain process control for enteric pathogens and
fecal contamination (9 CFR 381.65(g)(2)(iii)).
When FSIS updated its poultry inspection regulations in 2014 (79 FR
49565), it referenced data from FSIS' 2007-2008 Young Chicken Baseline
survey (hereinafter, the ``baseline survey''), which found levels of
detectable generic E. coli (GEC) on post-chill carcasses well below the
performance criteria in the existing regulations.\139\ The baseline
survey found that over 60 percent of samples had non-detectable levels
of GEC. Among 12 establishments from which 10 or more samples were
analyzed, none had detectable levels of GEC. On the other hand, FSIS
analyzed 22 samples from each of 2 of these establishments and found
that all 44 samples had detectable AC measurements. FSIS also concluded
that AC levels at rehang were more highly correlated with Salmonella
than GEC levels which suggested that AC measurements might provide a
better measure of process control.\140\
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\139\ FSIS (2007). Young Chicken Survey (baseline) June 2007-
June 2008. https://www.fsis.usda.gov/sites/default/files/media_file/2020-07/Baseline_Data_Young_Chicken_2007-2008.pdf.
\140\ Williams, M.S., et al. (2015). ``Industry-level changes in
microbial contamination on market hog and broiler chicken carcasses
between two locations in the slaughter process.'' Food Control 51:
361-370.
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Despite the baseline survey findings, FSIS did not require that
establishments use a specific microbial organism to monitor process
control when it updated its regulations in 2014. Thus, at present,
establishments decide which microbiological organisms will best help
them to monitor the effectiveness of their process control procedures
and may develop sampling plans to test carcasses for enteric pathogens,
such as Salmonella, or another appropriate indicator organism. Because
establishments must incorporate their microbiological sampling plan
into their HACCP system, they are required to provide scientific or
technical documentation to support the judgements made in designing
their sampling plans, as required by 9 CFR 381.65 (h) and HACCP
regulation 9 CFR 417.4(a).
B. Need To Enhance Establishment Process Control Monitoring
Based on NACMCF recommendations, an analysis of PHIS inspection
results, sampling data, and the findings of the 2023 risk assessments,
FSIS has determined that there is a need to enhance establishment
process control monitoring. These recommendations and findings are
discussed below and collectively support FSIS' conclusion that
regulatory revision will improve establishments' ability to monitor
microbiological process control; demonstrate the effectiveness of their
measures to prevent carcasses from becoming contaminated; and ensure
that both FSIS and establishments have the documentation necessary to
verify the effectiveness of these measures on an on-going basis. These
recommendations and findings have also prompted FSIS to evaluate the
need for additional resources, services, and guidance to help
establishments develop microbiological process control monitoring
programs and comply with FSIS requirements.
1. NACMCF Charge and Recommendations
According to NACMCF, process control can be defined as maintaining
the output of a process within a desired range based on stability and
capability to meet specifications.\141\ Process control is accomplished
through six steps: (1) The output must be monitored and quantified with
appropriate sampling and testing; (2) There must be predefined limits
and targets traceable to acceptable specifications and the history of
the process; (3) The monitoring results must be compared to the
relevant process control limits; (4) There must be a predetermined plan
of action (such as a corrective action plan) based on the size and
frequency of deviation from relevant limits; (5) The proper action must
be decided upon based on the observed deviation; and (6) the proper
action must be promptly taken to adjust the process.\142\
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\141\ Note that a process can be stable and not capable of
meeting specifications, or an unstable process may produce product
that meets specifications. NACMCF (2015). '' Regarding
Microbiological Criteria as Indicators of Process Control or
Insanitary Conditions, available at https://www.fsis.usda.gov/sites/default/files/media_file/2020-07/NACMCF-Report-Process-Control-061015.pdf.
\142\ NACMCF (2018). ``Response to Questions Posed by the
Department of Defense Regarding Microbiological Criteria as
Indicators of Process Control or Insanitary Conditions.'' J Food
Prot 83(1): 115-141.
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In 2015, NACMCF provided microbiological limits for food categories
that reflect process control and sanitary manufacturing conditions.
These limits can help FSIS-regulated establishments develop systems for
measuring SPC. SPC is an approach that uses statistical methods to
monitor and control a process. A process is under statistical control
when the output varies as expected within a statistical range. Process
variability is caused by chance or assignable causes. Assignable causes
can be linked to improperly adjusted or controlled machines, operator
errors, or defective raw material. A process that is operating with
assignable causes is out-of-control.\143\ Process capability is defined
as the degree by which SPC limits fall within specifications. If the
process exceeds an upper or a lower specification limit, the product
does not meet the specification even if it is operating without
assignable causes and is in control. Process capability is
traditionally measured using a process capability index (Cp). For
example, USDA's Agricultural Marketing Service uses Cp to monitor
process control of fat content meeting allowable upper and
specification lower limits and a one-side calculated process capability
to monitor process control of microbial detection levels meeting upper
allowable limits in raw beef finished products as part of the National
School Lunch Program.\144\
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\143\ Montgomery, D.C. (2013). Introduction to Statistical
Quality Control 7th edition, chapter 5.
\144\ AMS National School Lunch Program, information available
at: https://www.fns.usda.gov/nslp.
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Using microbiological testing to monitor SPC presents some
challenges. Some testing may result in a discrete (presence/absence or
binary) result or a continuous measure such as a plate
[[Page 64711]]
count. Binary results and plate counts are typically modeled using a
binomial or Poisson probability distributions, and their log-
transformed values usually follow a lognormal distribution from which
the statistical mean and variance may be calculated and used for SPC
analyses that assume a normal probability distribution. Count data may
include zero results, either due to the absence of the organism, or
presence at levels below or above the test's limits of quantitation
(LOQ). The later result is referred to as a censored value. Data with
censored results exceeding the number of zeros expected by the Poisson
distribution may consist of a heterogeneous mixture in which the
organism is completely absent from some portion of the product and
present in another portion. Such results may follow a zero-inflated
Poisson distribution. A variety of methods have been proposed to fit
censored data to a probability distribution. The choice of method
depends on the number of samples and the proportion with enumerated
samples. A distribution function cannot be reliably fitted to a dataset
where fewer than 20 percent of samples are enumerated,\145\ which is an
important consideration for using count data. Other considerations for
SPC include sampling frequency and lot definition. With respect to
frequency, counts are more robust than binary results, and indicators
of process control are best obtained with higher frequency sampling.
NACMCF recommended sampling frequency be capable of detecting the
presence of expected assignable causes within the first 10 percent of
their persistence time since disruptions occur for a finite period and
not much is learned if the disruption is not detected or detected too
late for corrective action. Product lot definition has implications
both for determining the acceptability of a lot and for monitoring SPC.
In general, the defined product lot should be produced under reasonably
constant conditions so that a lot is a homogeneous volume of
contemporaneous production for calculating the mean level and
variability. For poultry slaughter and dressing, a homogeneous volume
of contemporaneous production means that each lot should represent a
cohort (flock) of birds raised, transported, slaughtered and processed
over the same period and locations. Production lots with equivalent
means may have different variabilities and therefore, SPC methods
should evaluate variance both within and between production lots.
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\145\ Williams, M.S., et al. (2013). ``Sample size guidelines
for fitting a lognormal probability distribution to censored most
probable number data with a Markov chain Monte Carlo method.''
International Journal of Food Microbiology 165(2): 89-96.
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When a microbiological sampling program is properly designed and
implemented, it can provide valuable information about an
establishment's process control. A well-designed microbiological
sampling program should clearly define the intended use of the testing
program, organisms of concern that will be the target of testing,
sampling units (flocks, houses at preharvest, carcasses or parts at
post-harvest), sampling scheme, microbiologically independent lotting
practices, sampling locations, procedures for sample collection and for
maintaining sample integrity, testing method, method for evaluating
test results, and actions taken based on test results.\146\ Results
charting is typically used to identify trends and for identifying
exceptions to process control that could be due to assignable causes.
For low frequency binary results, NACMCF recommended a g-chart based on
mean time between events. For higher frequency binary results, a p-
chart based on proportions is recommended, and for counts, mean and
range charts can be used.
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\146\ NACMCF (2019). ``Response to Questions Posed by the Food
Safety and Inspection Service Regarding Salmonella Control
Strategies in Poultry.'' Journal of Food Protection 82(4): 645-668.
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In 2019, NACMCF concluded that most carcass contamination results
from leakage of ingesta during crop removal, from feces during
evisceration, as well as aerosolization during picking.\147\ The
committee also advised, to best assess controls, each establishment
should look at the whole food safety system from breeder farm through
processing, so it is not overwhelmed by the incoming load. Evaluating
the prevalence and concentration of Salmonella on carcasses and parts
throughout the production process unique to each facility can help to
identify pathogen reduction at each step in the process.
---------------------------------------------------------------------------
\147\ NACMCF (2019). ``Response to Questions Posed by the Food
Safety and Inspection Service Regarding Salmonella Control
Strategies in Poultry.'' Journal of Food Protection 82(4): 645-668.
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In its October 2021 charge to the NACMCF Subcommittee on Enhancing
Salmonella Control in Poultry Products, FSIS noted there is a
documented correlation between a reduction in the quantity of AC
between carcasses and finished products and the occurrence of
Salmonella in finished products for beef, pork, and poultry. The Agency
specifically requested that the Subcommittee provide guidance on how
this information might be used to set microbiological criteria to
assess process (pathogen) control in poultry.\148\
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\148\ 2021-2023 NACMCF report: Question 5.
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In response to FSIS' request for guidance on setting
microbiological criteria to assess process control in poultry, the 2023
NACMCF report discussed process control as a method of determining
trends over time and how it is useful to determine the sources of
variation within a process. It noted that ``indicator organisms such as
Enterobacteriaceae (EB) or [AC] have been used by the industry as
gauges of process control and to measure the microbial reduction from
carcasses at slaughter to post-chill.'' The report stated that
``studies show conflicting and apparent weak correlation between
indicators and either the presence or level of Salmonella post carcass
wash.'' The report also stated that, in addition to published studies,
``unpublished data provided by the poultry industry and university
researchers suggests that indicator bacteria have very limited
predictive value for the prevalence of Salmonella.''
Although the report found that the available data show that in many
cases there may not be a strong statistical correlation between the
presence or amount of an indicator and the presence or amount of
Salmonella at specific points during processing or in finished poultry
products, the report concluded that, ``. . . a change in [AC] from an
early sampling point on the slaughter line to a final sampling point on
the processing line, as well as absolute levels at the final point, may
provide useful information about the effectiveness of the process in
maintaining hygienic conditions.'' Therefore, the report concluded,
``[AC] may be useful to indicate process control even though it is not
a true indication of the presence, level, or virulence of Salmonella.''
2. PHIS Inspection Data
The purpose of 9 CFR 381.65(g) and (h) is to ensure that
establishments implement appropriate measures to prevent carcasses from
becoming contaminated throughout the slaughter and dressing operation.
Establishments must design and implement a program that uses
microbiological sampling and analysis to monitor their ability to
maintain process control and produces the documentation needed for FSIS
and the establishment to continuously verify the effectiveness of these
measures on an on-going basis, i.e., an MMP. Establishments must
provide scientific and technical support to justify the design of their
MMPs.
[[Page 64712]]
As discussed, SPC monitoring evaluates microbial data against
predefined quantitative and qualitative specifications. SPC monitoring
results that do not fall within the predefined specifications with
assignable causes indicate a process is not capable or in control. An
effective MMP must, therefore, define and support the quantitative and
qualitative microbial monitoring criteria an establishment will use to
gauge whether its process is in control and the corrective actions it
will take when its microbial monitoring results are not within its
predefined parameters. Specifically, the establishment MMP must
incorporate three criteria--target change, quantitative consistency,
and qualitative consistency standards. ``Target change'' refers to the
expected change in quantified levels of microbial contamination
detected between two monitoring points that supports the procedures'
ability to control contamination as required in 9 CFR 381.65(g) and as
expected by the establishment. ``Quantitative consistency'' is measured
by how close individual sampling results are to defined target change
parameters and how much variation is expected amongst the results over
time. ``Qualitative consistency'' is measured by assessing whether MMP
process control findings are consistent with other process control
monitoring results representing the same procedures (e.g., fecal zero
tolerance monitoring). Consistency can also be qualitatively assessed
as whether the MMP process control determination is consistent with the
process control determination for the HACCP system overall, i.e., if
all HACCP monitoring intended to assess process control draws the same
conclusion. An effective MMP also defines how an establishment will
respond when performance is not as expected, such as the corrective
actions it will take.
A recent analysis of PHIS inspection data identified issues with
the design and implementation of establishment MMPs, including how
establishments respond to MMP results.\149\ FSIS analyses of the PHIS
inspection verification data from February 17, 2015, through December
31, 2022, found that MMP noncompliance with 9 CFR 381.65(g) was most
often associated with sampling frequency and the monitoring of results
to ensure frequency compliance (49 percent). Specifically, NRs showed
establishments did not plan or adjust their sampling plan minimum
frequencies in accordance with the actual slaughter volume; failed to
collect samples at the frequency planned, at the minimum frequency
required, or to collect additional samples when collected samples could
not be analyzed. These noncompliance issues indicate that
establishments are not assessing or adjusting the sampling frequency
procedures in their MMPs as necessary due to their failure to identify
and document the absence of expected monitoring results. These
noncompliance issues also show that establishments often fail to
provide adequate justification for not evaluating and updating the
sampling frequency procedures in their MMPs in response to monitoring
results, IPP observations, or other relevant information indicating
that their current sampling frequency is not adequate to monitor
process control.
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\149\ 7096 noncompliance records (NRs) citing 381.65(g) were
issued between 2/17/2015 and 12/31/2022; 8 had incomplete
descriptions and were not further analyzed. Each of the 7088 NRs
were read by OFO analysts to determine if the microbial monitoring
program was reviewed as part of the verification and if the
establishment microbial monitoring program was documented to be the
cause of observed noncompliance.
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NRs also indicated establishments failed to identify monitoring
criteria, monitoring deviations, or documented trends or--when
identified--failed to perform any root cause assessment for the
deviation or perform corrective actions (31 percent). Further, NRs show
that establishments failed to implement their sample collection or
laboratory analysis methods as written (12 percent). These findings
indicate establishments are not adequately considering or utilizing the
MMP monitoring of process control in their overall consideration of
whether the procedures incorporated into the HACCP system are
performing as expected and the HACCP system is overall controlling the
hazard to the acceptable level as intended.
3. Exploratory Sampling Program Data
As noted above, from April to November 2022, FSIS implemented an
exploratory sampling program \150\ to generate microbial data to inform
the Agency's effort to reduce Salmonella illnesses attributable to
poultry. Under the program, rehang and post-chill rinsate samples were
tested for Salmonella, AC, and EC, and beginning August 11, 2022, for
Salmonella levels using a quantitative method adopted by FSIS
laboratories.
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\150\ FSIS Notice 44-22Revised Young Chicken Carcass Exploratory
Sampling Program.
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Overall, FSIS analyzed 4,654 paired samples collected from 204 of
the 272 establishments that slaughtered young chicken in Calendar Year
2022. Testing results indicated that 2,910 rehang and 232 post-chill
samples were positive for Salmonella. Of these, 1,460 rehang and 121
post-chill samples were analyzed with the Salmonella quantitative
method, and the results indicated that approximately 90 percent of
rehang and 86 percent of post-chill samples were below the lower
LOQ.\151\ Further, out of the 4,654 paired samples, tests detected AC
in 4,592 and EB in 4,580 of both the rehang and post-chill location
samples. Of the pairs that detected the AC or EB at both locations,
69.2 percent of the pairs yielded a quantified value at both rehang and
post-chill for AC; whereas only 15.9 percent yielded a quantified value
for EB.\152\
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\151\ The lower LoQ for the Salmonella, AC, and EC tests
utilized by FSIS laboratories was 10 cfu/mL.
\152\ Comparatively, FSIS's 2007-2008 baseline survey did not
assess results as true pairs or when both rehang and post-chill
yielded quantifiable results. This prior survey reported the 3,275
analyzed pairs had levels significantly lower at post-chill and
quantifiable AC and EC was detected in 97.1 percent and 57.4 percent
of post-chill samples, respectively. The average rehang and post-
chill AC values reported 4.51 log AC and 2.43 Log AC and EC as 3.28
Log EC and 1.57 Log EC, respectively (average change 2.08 Log AC and
1.71 Log EC). https://www.fsis.usda.gov/node/1973.
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Of the 3,177 paired samples with quantified levels of AC, 98.7
percent demonstrated a reduction in AC from rehang to post-chill; while
only 1.29 percent of paired samples demonstrated an increase in
AC.\153\ Among the 180 establishments with 12 or more analyzed paired
samples,\154\ all 180 establishments had greater than 20 percent of
samples with AC detectable above the lower LOQ at post-chill, and 25
percent had greater than 20 percent of samples with EB above the lower
LOQ. Salmonella percent positive was reduced from rehang to post-chill
by an average of 56.6 percent and AC quantified level was reduced an
average of 2.93 log10 cfu/mL (74 percent reduction).
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\153\ Because a distribution function cannot be reliably fitted
to a dataset where fewer than 20 percent of the samples are above
the LOQ, FSIS has only summarized results for quantitative AC, not
Salmonella or EC. See Helsel, D. R. (2005). ``Nondetects and Data
Analysis: Statistics for Censored Environmental Data.''
\154\ FSIS had estimated at least 12 pairs would be necessary
over the study period to evaluate an individual establishment's
indicator organism performance and 180 of the 204-establishment
sampled had at least 12 pairs analyzed.
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Based on these findings, FSIS concluded that microbial monitoring
of EB or Salmonella is unlikely to yield the reliable quantified
results necessary for an individual establishment to support SPC
monitoring. There has been an observable decline in post-chill levels
of organisms detected since the 2007-2008
[[Page 64713]]
Young Chicken Baseline Survey. The current data shows that AC is more
likely to yield reliably detectable quantified microbial results
compared to either EB or Salmonella for most establishments.
Additionally, given all establishments sampled consistently
demonstrated a qualitative decrease in levels of organisms detected
between rehang and post-chill, FSIS has determined that assessing the
quantified level of decrease achieved is more informative of individual
establishment process control changes and trends than the qualitative
criteria of whether a decrease occurred.
4. FSIS Risk Assessments
The 2023 risk assessments for Salmonella in chicken and turkey
evaluated, among other things, the public health impact of monitoring
and enforcing process control from rehang to post-chill.\155\ For all
young chicken establishments sampled during the 2022 exploratory
sampling program, FSIS measured an average of 4.40 and 1.39 log AC per
mL at rehang and post-chill locations, respectively, i.e., an average
reduction of 3.01 log AC per mL. Comparatively, the 2007-2008 baseline
survey measured an average of 4.50 and 2.46 log AC per mL at rehang and
post-chill locations, respectively, i.e., an average log reduction of
2.04 log AC per mL. These data show that between 2008 and 2022, there
were no decreases in incoming AC loads on chicken carcasses; however,
during that time, establishments achieved an additional 1 log reduction
in AC levels after slaughter and processing. Based on this current
study it is reasonable to expect reductions of 3 logs in Salmonella
between rehang and post-chill. The risk assessment found weak
correlations between post-chill Salmonella prevalence and AC, either
based on the AC reduction between rehang and post-chill, or the
fraction of post-chill samples where AC is not observed. Ultimately,
FSIS' recent chicken risk assessment concluded that a hypothetical AC
reduction standard could achieve a 25 percent reduction in Salmonella
illnesses attributed to chicken only if microbiological criteria based
on 2.5-3.0 log reduction or no AC tests exceed 10 cfu/mL at the post-
chill location. The risk assessment concluded that AC is only
moderately correlated with the occurrence of Salmonella and thus an AC
based standard would perform less well than a Salmonella standard.
---------------------------------------------------------------------------
\155\ The risk assessments analyzed data from the 2022
Exploratory Project, 2007-2008 Young Chicken Baseline Survey, and
the 2008-2009 Turkey Baseline Survey.
---------------------------------------------------------------------------
In addition to identifying a decrease in the average level of log
AC detected at post-chill between the 2007-2008 baseline survey and
2022 exploratory sampling program from 2.46 to 1.39 log AC per mL,
respectively, the 2023 chicken risk assessment identified a decrease in
the proportion of young chicken carcass post-chill AC results above the
limit of detection (LOD), from 97.1 percent at baseline to 70.0 percent
currently. EB followed a similar trend with 57.4 percent during the
prior baseline to just 16.1 percent above the LOD currently.
The 2023 turkey risk assessment reported that the correlation
between AC or EB and Salmonella prevalence is weak, and it was not
possible to fully assess the public health impact of monitoring and
enforcing process control from rehang to post-chill.
C. Proposals To Enhance Establishment Process Control Monitoring
FSIS is proposing to amend 9 CFR 381.65(g) and (h) to establish new
requirements pertaining to how establishments monitor and document
whether their processes for preventing microbial contamination
throughout the slaughter and dressing operation are in control. The
goal of the proposed amendments is to clarify existing regulatory
requirements related to process control monitoring and recordkeeping in
9 CFR 381.65(g) and (h) and to better define requirements with respect
to the type of microbial data that should be collected, how the data
should be analyzed, the level of acceptable process control deviations,
and how establishments should respond to process control deviations.
The clarifications are also intended to promote the collection of more
standardized data by establishments to facilitate data quality. If this
proposed rule is finalized, FSIS intends to update relevant guidance to
help establishments comply with new requirements.
1. SPC Monitoring
This proposed rule revises 9 CFR 381.65(g) to require
establishments to incorporate SPC monitoring principles into their
MMPs. As discussed, SPC monitoring uses statistical methods to compare
quantitative results against predefined benchmarks and, thereby,
determine whether a process is operating within expected
parameters.\156\
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\156\ NACMCF (2015). '' Regarding Microbiological Criteria as
Indicators of Process Control or Insanitary Conditions, available at
https://www.fsis.usda.gov/sites/default/files/media_file/2020-07/NACMCF-Report-Process-Control-061015.pdf.
---------------------------------------------------------------------------
The proposed revisions to 9 CFR 381.65(g) would therefore require
establishments to use only validated microbial sampling and laboratory
analysis procedures, generate and record statistically meaningful
microbial monitoring data, set benchmarks by which to evaluate
microbial monitoring data, and to otherwise define the statistical
methods the establishment will use to evaluate the recorded data
against the predefined limits. The MMP design should also be consistent
with other process control monitoring procedures and the
establishment's HACCP system. For example, if an establishment assesses
process control independently by evisceration line for visible fecal
contamination, the establishment's MMP for process control of
procedures to prevent fecal contamination should also be separated by
evisceration line.
Statistical Methods. There must be scientific and technical support
to justify the design of a MMP, including the statistical methods an
establishment will use. Specifically, the MMP must include
documentation and data demonstrating the initial scientific basis,
validation, and ongoing verification of the statistical methods,
including whether the quantified monitoring data generated by the
establishment's process is normally or not normally distributed and
whether the statistical method is appropriate. In instances where the
minimum sampling frequency requirements of 9 CFR 381.85(g)(2) do not
generate ``statistically robust'' results, an establishment must either
increase its sampling frequency to generate robust results or provide
support to demonstrate that the minimum frequency of collection is,
nonetheless, adequate to demonstrate whether its particular process is
in control.
FSIS has developed a Lower Capability Process Index (CPL)
Statistical Measurement Model (SMM) which fits parameters for normally
distributed data. The CPL-SMM is available for review and comment on
the FSIS website.\157\ Under this proposal, the CPL-SMM would be
considered a ``safe harbor,'' in that establishments that incorporate
the CPL-SMM into their MMPs would not be required to provide FSIS with
[[Page 64714]]
additional scientific or technical information to support their chosen
statistical methods.\158\ Should FSIS finalize this proposal, the
Agency would make available on its website an electronic file for
download (i.e., a spreadsheet) programmed to calculate the change
achieved, CPL, and chart results as the establishment inputs each
sampling result as it is received from the laboratory. FSIS will
provide relevant instructions for adopting the ``safe harbor'' method
in a future guidance document. An example of the electronic file that
FSIS intends to provide is available for viewing and public comment at:
https://www.regulations.gov/docket/FSIS-2023-0028.
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\157\ Statistical Process Control Monitoring Method Assessment
and the FSIS Proposed Lower Capability Process Index (CPL)
Statistical Measurement Model (SMM) available at: https://www.regulations.gov/docket/FSIS-2023-0028.
\158\ Establishments are to be aware that the proposed CPL-SMM
reflects the minimum frequency prescribed in 9 CFR 381.65(g)(2), and
the establishment may need to increase the frequency of collection
to meet compliance with the requirement the frequency is adequate to
monitor their ability maintain process control as required under 9
CFR 381.65(g)(2)(iii).
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FSIS requests comments on its proposed CPL-SMM and the related
electronic file. FSIS also requests input on any other statistical
monitoring methods that FSIS should recognize as satisfying the
requirements of 9 CFR 381.65(g) without further scientific support,
including but not limited to methods for normally and non-normally
distributed results, use with specific indicator organisms, and various
analyzed results sample sizes. FSIS requests that commenters include
the appropriate data necessary to support any proposed alternatives as
these data may not have been available to FSIS at the time of this
rulemaking.
Target Change and Quantitative Consistency Criteria. To effectively
incorporate SPC monitoring into an MMP, establishments must define and
support target change and quantitative consistency microbial monitoring
criteria. ``Target change,'' in the context of microbial process
control monitoring, is the expected change in quantified levels of
microbial contamination detected between two sampling locations that
supports a procedure's ability to control contamination as minimally
required in 9 CFR 381.65(g) and as expected by the establishment. For
an MMP, target change parameters must be appropriate for the microbial
monitoring organism an establishment uses to monitor process control.
At a minimum, establishment MMPs must define the minimum target change
expected (lower specification limit). The minimal level target change
approach sets a benchmark from which establishments can evaluate trends
in microbial contamination during slaughter and dressing with other
trends in slaughter performance data such as pathogen, feces and
ingesta, and sanitary operations monitoring findings. Establishment
MMPs may also define a maximum target change expected (upper
specification limit).
AC and EB are routinely utilized to monitor poultry slaughter
process control and are frequently reported in logarithmic format
(log).\159\ FSIS' review of current scientific support indicates that,
when monitoring indicator organisms reported in log, establishments
should strive for a minimum target change value of 1 log reduction and
that a change between 0 and 1 log is not reliably detected in normally
distributed data, particularly at the statistical power associated with
the single pair minimum sampling frequencies prescribed in 9 CFR
381.65(g)(2).\160\ The 2023 risk assessment also identified a moderate
correlation with the detection of post-chill Salmonella when at least a
3 log AC change was observed.\161\ Moreover, FSIS' exploratory sampling
program observed an average 2.93 log AC reduction in establishments
with at least 12 carcass pairs analyzed.
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\159\ Microbial organism levels are frequently transformed to
base 10 logarithmic format (log) for statistical assessment unless
the conversion would result in log ``0' censored data result.
\160\ De Villena, J.F., et al. (2022). ``Bio-Mapping Indicators
and Pathogen Loads in a Commercial Broiler Processing Facility
Operating with High and Low Antimicrobial Intervention Levels.''
Foods 11(6): 775. Cano, C., et al. (2021). ``Application of
Peroxyacetic Acid for Decontamination of Raw Poultry Products and
Comparison to Other Commonly Used Chemical Antimicrobial
Interventions: A Review.'' J Food Prot 84(10): 1772-1783. Brashears,
M.M. and B.D. Chaves (2017). ``The diversity of beef safety: A
global reason to strengthen our current systems.'' Meat Sci 132: 59-
71.
\161\ Quantitative Microbial Risk Assessment for Salmonella in
Raw Chicken and Raw Chicken Products at: https://www.regulations.gov/docket/FSIS-2023-0028.
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Based on these findings, the Agency would consider an
establishment's target change criteria to meet the requirements in 9
CFR 381.65(g) when its MMP sets an expected reduction of at least 1.0
log in detected microbial levels between sampling locations.\162\
Establishments may, of course, set more stringent target change
criteria in their MMP than the minimum 1.0 log reduction without
providing additional support to FSIS. MMPs that define an expected
target change value of less than 1.0 log must include comprehensive
scientific support to demonstrate that its target change criteria
reflect a statistically reliable value for measuring process control
and why its expected target change is less than changes identified in
national baseline data (e.g., 2 log or 3 log as above). Establishments
that conduct microbial sampling and testing in more than two locations
in the slaughter process may define different quantified values to be
achieved between the various points but, minimally, the target change
value for monitoring between each pair of points should meet the
minimum requirement as appropriate for the microbial monitoring
organism being monitored. Similarly, establishments monitoring more
than one shift, evisceration line, or species/subclass of poultry may
elect to define different quantified target change values expected
providing they meet the same minimum requirements. In any event,
establishments must use scientifically validated mathematical methods
to calculate the change in levels detected between sampling locations.
FSIS would consider a simple subtraction method (e.g., Sampling Point-A
log value--Sampling Point-B log value) to be scientifically valid.
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\162\ FSIS notes that all sample results in the exploratory CPL-
SMM modeling datasets had AC reductions greater than 1 log (97.5
percent) and mean log AC reductions across the exploratory sampling
period were greater than 1 for 98.7 percent of establishments.
---------------------------------------------------------------------------
MMPs must also define quantitative consistency criteria. As
discussed, SPC monitoring includes assessing the variation of results
as each result is reported and over time to identify and detect when
procedures may not be functioning as intended to prevent the enteric
pathogen and fecal contamination from being introduced at one or more
points in the process. In statistical applications, 99 percent of
results fall within 6 standard deviations of the mean, or 3 standard
deviations on either side of the mean. For an MMP monitoring whether
the minimum target change expected is met (lower specification), the
detected change between the two points monitored is within 3 standard
deviations less than the average change detected for all samples in the
monitoring period.
The establishment MMP must define and support the acceptable
quantitative consistency (statistical variation) expected among the
changes detected over time. The quantitative consistency expected must
not exceed 3 standard deviations lower than the mean and for the
establishment to conclude microbial contamination variability was
controlled (one-side for lower specification). That is, FSIS recognizes
the MMP defined quantified value is minimally supported when the sample
result is no more than 3 standard deviations below the mean. As with
target change criteria, establishments are
[[Page 64715]]
encouraged to define quantitative consistency criteria at each point
monitored and may also set quantitative consistency criteria specific
to shift, line, or specific/subclass of poultry slaughtered, provided
the consistency variation target limit meets the minimum requirements
discussed herein. Establishment MMP monitoring criteria decisions for
target change and quantitative consistency expected, and the actual
values observed during monitoring, must also consider and support the
establishment's MMP organism, location, and frequency decision
rationale. Establishments must assess their results as ongoing
validation data to maintain support for all MMP requirements.
Monitoring Period. As discussed, SPC involves an assessment of
trends measured over time. As such, an establishment's MMP must define
the period over which trends will be assessed, i.e., the ``monitoring
period.'' FSIS' assessment of exploratory sampling program and
Salmonella Initiative Program \163\ data found that the sample
collection frequency impacts the monitoring period required to generate
a statistically robust sample size and how quickly the entire sample
size is replaced with new results, i.e., the ``sample size turnover.''
Based on the assessment of these available data, FSIS has identified
the monitoring periods necessary for establishments to adequately
assess trends over time. Establishments that incorporate these
monitoring periods into their MMPs would not be required to provide the
Agency with additional scientific or technical support.
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\163\ FSIS Salmonella Initiative Program, details available at
https://www.fsis.usda.gov/science-data/data-sets-visualizations/microbiology/microbiological-testing-program-rte-meat-and.
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As shown in Table 10 below, FSIS recommends that establishment MMPs
define the monitoring periods as follows by the minimum monitoring
frequency (paired carcass collection) prescribed in 9 CFR 381.65(g):
(1) Poultry establishments collecting samples at a frequency of once
per 22,000 (chicken) or 3,000 (other species) head slaughtered,
respectively, or greater, are to designate a monitoring period of 140
samples or 52 weeks, whichever is shortest; (2) any poultry
establishments collecting at a weekly frequency are to designate a
monitoring period of the 52 most current weeks; (3) and VLV poultry
establishments collecting 13 samples annually are to designate their
monitoring period as all of the samples available in the most recent 52
weeks or all the samples in the current period of operations if
slaughter of the predominant species is seasonal and not continuous.
All poultry slaughter establishments are required to assess for trends
during their designated monitoring period, as well as compare the
monitoring periods for the current 52 weeks against the prior 52 weeks.
Further, those establishments that collect less than weekly are to also
compare trends going back an additional 52 weeks (i.e., compare the
current 52 weeks against the prior 104 weeks). All poultry slaughter
establishments must also identify the sample size turnover rate based
on their intended frequency of collection and provide scientific
support for how the establishment will consider the turnover in their
assessment of process control trends over time.
Table 10--Monitoring Period by Minimum Frequency Recognized by FSIS Without Further Support
----------------------------------------------------------------------------------------------------------------
Minimum monitoring Minimum trend over
Poultry species frequency Minimum monitoring period time period
----------------------------------------------------------------------------------------------------------------
Chicken............................ >=1 per 22,000 head... Period necessary to obtain Prior 52 weeks.
140 samples or 52 weeks,
whichever is shorter.
Turkey, Goose, Guinea, Duck, Squab. >=1 per 3,000 head....
Any Poultry Species................ Weekly................ 52 weeks...................
Any Poultry Species................ 13 per year........... All samples in 52 weeks or Prior 104 weeks.
the period of operations
for year if seasonal
operations.
----------------------------------------------------------------------------------------------------------------
2. Microbial Monitoring Organism
FSIS is proposing to amend 9 CFR 381.65(g) to establish new
criteria that an establishment must meet to demonstrate that its
selection of microbial organism is fit for purpose. Specifically, FSIS
is proposing that establishments analyze for microbial organisms that
are quantifiably detectable in the establishment's slaughter process
and that will generate microbial monitoring data that is adequate to
monitor their ability to maintain process control for enteric
pathogens. Under this proposal, the establishment's measured results at
each sample location must yield statistically reliable quantified value
results.
The Agency recognizes that in order to successfully analyze
quantified data, at least 20 percent or more of the sample size results
must be quantified; otherwise, the data will be skewed, i.e., shifted
above or below the true value.\164\ Thus, to comply with the proposed
revisions to 9 CFR 381.65(g), establishments would have to demonstrate
and continuously validate that their chosen microbial monitoring
organism generates a quantified value in at least 20 percent of the
results reported at each monitored location. Results that are reported
``above the limit of quantification'' or ``below the limit of
quantification'' or ``0'' when log transformed would not be considered
as quantified results, nor would samples with results not analyzed by
the establishment. The establishment would also have to demonstrate and
continuously validate that for each sample monitoring location, the
microbial organism can be quantified across the upper and lower levels
that actually occur in the establishment's individual process.
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\164\ Helsel, D.R. (2005). ``Nondetects and Data Analysis:
Statistics for Censored Environmental Data.''
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The Agency would consider the use of AC to monitor process control
to meet the proposed criteria discussed above. FSIS has evaluated the
available published studies and data at the time of rulemaking and
concluded that AC are the microbial organisms most likely to result in
quantified results that are reliably detectable at rehang and post-
chill. Available paired microbial data representing pathogens like
Salmonella and indicator organisms other than AC do not meet the 20
percent minimum quantified detection recommended. Establishments that
choose to use other indicator organisms like EB, total coliforms, or
GEC to assess the minimum target level of change, equal to or greater
than 1 log10, must support the estimated change in a statistically
appropriate manner.
[[Page 64716]]
Regardless of the microbial monitoring organism chosen, the
proposed revisions would require establishments to demonstrate that
their chosen sample collection method is appropriate for the product
sampled, the microbial organism monitored, and the laboratory method
used to analyze the samples. Moreover, the proposed revision would
require establishments' microbial sampling results to be generated by
validated laboratory analyses and methods. Current HACCP regulations
also require ongoing verification of the establishment's microbial
monitoring procedures including the methods and equipment used (9 CFR
417.4).
Establishments that adhere to the Agency's carcass rinse and sponge
sample collection method \165\ would not be required to provide
additional support to justify their chosen method of organism
collection. Further, establishments that document sample analyses by
International Standards Organization (ISO) or USDA's Accredited
Laboratory Program (ALP) accredited laboratories would not be required
to provide the Agency with additional support to justify their use of
laboratory analyses and methods. Nonetheless, all establishments would
be required to demonstrate and continuously validate that their MMPs
analysis method can detect the selected microbial monitoring organism
at the levels intended, expected, and occurring at the monitored points
in the process. FSIS requests comments on whether FSIS should require
establishments to use ISO accredited or USDA ALP accredited
laboratories to analyze their microbial monitoring samples.
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\165\ FSIS Directive 10,250.1, Salmonella and Campylobacter
Verification Program for Raw Poultry Products, https://www.fsis.usda.gov/policy/fsis-directives/10250.1.
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In lieu of requiring the VS or VLV establishments that slaughter
the predominate species of poultry under Traditional Inspection to
utilize their own resources to meet compliance with the proposed
revisions to 9 CFR 381.65(g), FSIS is proposing that such
establishments have access to laboratory services provided by FSIS at
no monetary cost for sample supplies, analyses, or shipment. Eligible
establishments would be required to agree to terms of participation
that would be publicly announced following the publication of any final
rule resulting from this proposal. These terms would limit the use of
laboratory microbial analyses service to eligible establishments that
sample for AC, given more than 75 percent of the post-chill carcass
samples analyzed as part of the recent FSIS exploratory sampling
assessment were below the FSIS lower limit of detection for EB and
nearly 85 percent of the enumerated post-chill Salmonella were below
the level of quantification.\166\ The terms would also address
laboratory service logistics such as establishment sample collection
and shipment methods, collection and shipment dates to assure
laboratory analysis capacity, reporting of establishment results
through PHIS and LIMS-Direct email, and that the establishment agree to
incorporate the FSIS CPL-SMM into its MMP exactly as described in the
Statistical Process Control Monitoring Method Assessment and the FSIS
Proposed Lower Capability Process Index (CPL) Statistical Measurement
Model (SMM) at: https://www.regulations.gov/docket/FSIS-2023-0028.
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\166\ Quantitative Microbial Risk Assessment for Salmonella in
Raw Chicken and Raw Chicken Products at: https://www.regulations.gov/docket/FSIS-2023-0028.
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3. Sampling Location
FSIS is proposing to revise the sampling location regulations at 9
CFR 381.65(g)(1) to require that establishments, at a minimum, collect
and analyze samples for microbial organisms at the rehang and post-
chill points in the process, as opposed to the pre-chill and post-chill
locations. FSIS has determined that sampling at the rehang point in the
process, i.e., after picking and prior to evisceration, is likely to be
more effective for monitoring process control, given the introduction
of carcass contamination tends to occur at slaughter process steps at
or just prior to the rehang location and evisceration \167\ and pre-
chill sampling often takes place after evisceration and some
antimicrobial interventions have already occurred.\168\ The FSIS 2023
chicken risk assessment and FSIS assessment of exploratory sampling
program data reported that there has been an increase in the log AC
reduction achieved between rehang and post-chill influenced mostly
because the levels of indicator organisms detected post-chill have
declined since the prior 2007-2008 baseline study. FSIS has observed
that pre-chill samples collected after evisceration and after most
interventions, and prior to the chiller, typically have lower levels of
organisms detected than rehang samples collected prior to evisceration
and fewer intervention steps.
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\167\ NACMCF (2019). ``Response to Questions Posed by the Food
Safety and Inspection Service Regarding Salmonella Control
Strategies in Poultry.'' Journal of Food Protection 82(4): 645-668.
\168\ Exploratory Project questionnaire responses indicate that
51 percent of the establishments applied one or more interventions
prior to rehang, whereas all but one establishment applied one or
more interventions after rehang.
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Under this proposal, establishments would be required to identify
and provide supporting rationale for the exact point where they intend
to collect their rehang sample. Establishments would be permitted to
collect a pre-chill sample at a location other than rehang if they
provide supporting data to demonstrate that the alternative location is
at least as effective as rehang sampling for monitoring their ability
to maintain process control. However, one benefit of rehang sampling is
that it allows establishments to assess the level of microbial
contamination early in the slaughter process and, thereby, better
understand the level of enteric pathogen hazard associated with flocks
at receiving. Also, according to NACMCF, monitoring change in AC ``from
an early sampling point on the slaughter line to the final sampling
point on the processing line . . . may provide useful information about
the effectiveness of the process in maintaining hygiene conditions.''
\169\ Moreover, continuing to monitor at pre-chill, which tends to
occur after establishments apply antimicrobial interventions, would
make it more difficult for establishments to justify how the microbial
monitoring data they generate validates that their established target
change and quantitative consistency parameters are adequate to monitor
process control. Thus, ideally, the exact point of an establishment`s
rehang sampling should be immediately after the early slaughter
processing steps that are mostly likely to introduce microbial
contamination and before the establishment's use of antimicrobial
interventions. Establishments slaughtering poultry predominantly under
religious exemptions that result in feet on, un-eviscerated carcasses,
or otherwise are slaughtered at post-picking but prior to the
evisceration rehang step are to collect samples at the point in the
process that results in the greatest source of introduction of enteric
pathogen and fecal contamination.
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\169\ 2021-2023 National Advisory Committee Meeting on
Microbiological Criteria for Foods (NACMCF); FSIS Charge: Enhancing
Salmonella Control in Poultry Products Available at: https://www.fsis.usda.gov/policy/advisory-committees/national-advisory-committee-microbiological-criteria-foods-nacmcf/2021.
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Finally, FSIS' proposed amendments to 9 CFR 381.65(g)(1) would
require VS and VLV establishments operating under Traditional
Inspection to--like all other establishments--collect and analyze
microbial samples at rehang and
[[Page 64717]]
post-chill locations. These establishments are currently required to
collect microbial samples at the post-chill point only. To offset the
economic impact of this amendment, these establishments would be
eligible to have access to laboratory services provided by FSIS at no
cost as described and discussed above. The FSIS 2023 risk assessment
and the Agency's assessment of the exploratory sampling program data
both recognized that greater levels of detected microbial organisms
were more likely to be observed in the smaller size and volume
establishments than the larger establishments, although microbial
levels detected at post-chill were overall lower than previously
observed during the 2007-2008 baseline study. FSIS has concluded that
post-chill samples representing only the end of the slaughter process
does not provide the same level of MMP adequacy to monitor process
control throughout the slaughter and dressing process as minimum two-
point sampling. Microbial monitoring at both rehang and post-chill will
help VS and VLV establishments operating under Traditional Inspection
to assess levels of microbial contamination at a point closer to the
start of the slaughter process and the effect that their anti-microbial
intervention steps have in reducing such contamination.
4. Sample Collection Monitoring Frequency
As discussed, a recent FSIS review of PHIS inspection data found
that MMP noncompliance issues were frequently associated with sampling
frequency and that the noncompliant establishments were most often
those that produced lower volumes of product. FSIS is proposing,
therefore, to amend 9 CFR 381.65(g) to make it easier for
establishments to understand and comply with minimum sampling frequency
requirements. First, FSIS is proposing to update the sampling frequency
regulations for VLV establishments, which currently require that such
establishments collect and analyze 13 weekly samples starting on June 1
of each year. FSIS has concluded that the current requirement would not
generate statistically robust process control monitoring data
regardless of if the results are collected over 13 consecutive weeks or
at other intervals throughout the year. FSIS has also concluded that
the June 1 requirement makes it difficult for VLV establishments to
demonstrate that their MMP is adequate to monitor process control
without collecting additional samples at other times of the year, such
as during the establishment's greatest seasonal production or the
slaughter of poultry from growers associated with greater risks of
increased microbial carcass contamination. As such, FSIS is proposing
to revise 9 CFR 381.65(g)(2)(ii) to remove the June 1 requirement and
otherwise give VLV establishments the flexibility to collect their 13
weekly samples in accordance with their slaughter operations throughout
the year. The MMP decision making rationale for all establishments,
regardless of annual slaughter volume, must support how the
establishment will determine when the monitoring will be performed and
how the specific carcass will be selected for sampling.
Second, to help all establishments better understand their minimum
sampling frequency requirements and develop their sampling frequency
procedures, FSIS is proposing to tie sampling frequency requirements to
annual slaughter volumes, as opposed to weekly slaughter volumes. As
discussed, FSIS review of NRs found that many establishments have
trouble planning or adjusting their sampling frequency regime to comply
with current regulations given actual weekly slaughter volumes tends to
fluctuate irregularly. Moreover, FSIS reviewed current sampling
frequency requirements relative to annual slaughter volumes and
determined that they require many lower volume establishments to
collect samples at a greater rate than larger establishments.\170\ The
proposed revisions, which are outlined in Table 11 and Table 12 below,
would simplify proposed slaughter volume criteria cut points for VLV,
low volume, and medium to high volume establishments and make it easier
for establishments to adapt to fluctuating conditions. Specifically,
FSIS is proposing that medium to large volume establishments
slaughtering as their predominant species more than 1,100,000 chickens
or 156,000 other poultry species annually be required to collect at a
minimum frequency of one paired sample every 22,000 or 3,000 head
slaughtered, respectively.\171\ Further, FSIS is proposing that LV
establishments that slaughter as their predominant species between
440,001 to 1,100,000 chickens or 60,001 to 156,000 other poultry
species annually be required to collect a minimum of one paired sample
a week, regardless of weekly fluctuations in their actual slaughter
volume. Lastly, FSIS is proposing that VLV establishments be required
to collect a minimum of 13 weekly paired samples per year. Those VLV
establishments that plan to operate less than 13 weeks per year may
collect their 13 annual samples on a less than weekly basis, assuming
they can demonstrate that their sample frequency is effectively
monitoring that they are maintaining process control throughout the
year and during any periods of slaughter operations. Regardless of
these minimum required frequencies, FSIS regulations would continue to
mandate that all establishments collect samples at a frequency that is
adequate for the establishment to monitor process control.
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\170\ E.g., under current regulations, non-VLV establishments
that slaughter less than 22,000 chickens per week (i.e., between
440,001 to 1,144,000 head annually) are required to collect at least
1 sample weekly, resulting in a collection range of 1 sample per
every 8,461 to 22,000 chickens (i.e., a midpoint rate of 1 sample
per every 15,231 head). This is a greater sampling rate than those
larger volume establishments collecting a minimum of only one sample
every 22,000 head.
\171\ Under current regulations, these establishments collect 1
sample for every 22,000 chickens or 3000 other poultry species
slaughtered. This is an annualized slaughter volume of 1,140,000
head of chicken or 156,000 other species. To simplify proposed
slaughter volume criteria cut points, FSIS rounded 1,144,000 to the
1,100,000 identified in Table 11; an annual slaughter of 1,100,000
averages 21,153 head per week.
Table 11--Proposed Revisions to 9 CFR 381.65(g)(2) Minimum Sampling Frequency: Chicken
----------------------------------------------------------------------------------------------------------------
Predominant poultry species Establishment volume Annual slaughter head Minimum frequency of
slaughtered sizes volume paired collection
----------------------------------------------------------------------------------------------------------------
Chicken.............................. Very Low Volume........ 1-440,000.............. 13 Weekly Pairs per
Year.
Chicken.............................. Low Volume............. 440,001-1,100,000...... Weekly.
Chicken.............................. Medium and High Volume. >=1,100,000............ 1 per 22,000.
----------------------------------------------------------------------------------------------------------------
[[Page 64718]]
Table 12--Proposed Revisions to 9 CFR 381.65(g)(2) Minimum Sampling Frequency: Turkey, Geese, Guinea, Duck,
Squab
----------------------------------------------------------------------------------------------------------------
Predominant poultry species Establishment volume Annual slaughter head Minimum frequency of
slaughtered sizes volume paired collection
----------------------------------------------------------------------------------------------------------------
Turkey, geese, guineas, Ducks, Squab. Medium and High Volume. >=156,000.............. 1 per 3,000.
Turkey, Geese, Guinea, Ducks, Squab.. Low Volume............. 60,001-156,000......... Weekly.
Turkey, Geese, Guinea, Ducks, Squab.. Very Low Volume........ 1-60,000............... 13 Weekly Pairs per
Year.
----------------------------------------------------------------------------------------------------------------
5. Corrective Actions
FSIS is proposing to amend 9 CFR 381.65(g) to further clarify that
MMP monitoring results and documented corrective actions must be part
of the pre-shipment review process required under 9 CFR 417.5(c).
Current regulations at 9 CFR 381.65(g) require establishments to
incorporate microbial monitoring procedures into their HACCP systems.
Under 9 CFR 417, HACCP records must be maintained and continuously
evaluated as part of the establishment's validation, ongoing
verification, and reassessment process. Moreover, HACCP regulations at
9 CFR 417.3 and 417.5 specifically require establishments to identify,
in writing, the corrective actions that they will take when a HACCP
system procedure may have failed. This failure may be observed by
either the establishment or FSIS and may include failure to implement
or maintain a procedure, evidence that the outcome of a procedure was
ineffective, or when monitoring identifies the defined allowable limits
have not been met.
FSIS is proposing to revise the regulations to ensure that
establishments comply with these corrective action provisions as they
apply to the establishment's MMP. Specifically, FSIS is proposing to
amend 9 CFR 381.65(g) to require establishments to, at a minimum,
implement written corrective actions, including a root cause
assessment, when microbial monitoring results deviate from predefined
target change, quantitative consistency, or other criteria defined in
the MMP.
FSIS is also proposing that establishments' MMPs define the
corrective actions the establishment intends to take when its MMP
results do not align with other process control monitoring conclusions
or when its MMP results do not support the conclusion that its HACCP
system is controlling hazards as intended. FSIS recognizes a
qualitative analysis of MMP results is necessary, given that a process
can be stable and not capable of meeting quantitative specifications or
unstable yet produce product that meets quantitative
specifications.\172\ Thus, establishments will need to continually
consider their MMP results in conjunction with all other process
control monitoring efforts to qualitatively assess the overall ability
of their procedures to maintain process control and function as
intended. Establishments are to investigate and implement corrective
actions when their MMP monitoring results do not align with the other
process control monitoring conclusions. FSIS expects establishments to
consider their MMP results as part of their total HACCP system
validation and ongoing verification in the assessment of whether the
procedures as required by 9 CFR 381.65(g) are controlling the
biological hazard (enteric pathogens) as intended by the
establishment's HACCP system. A slaughter establishment's HACCP system
should clearly identify what process control procedures are monitored
by the MMP, any other process control monitoring results reflecting the
same procedures, a lot of products represented by this process control
monitoring, and any other procedures intended to control the same
hazard as the procedures required by 9 CFR 381.65(g). Establishment
documented corrective actions to observed MMP deviations must
demonstrate the establishment assessed the root cause of any deviation
in target change, quantitative consistency, and qualitative consistency
as described above.
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\172\ NACMCF (2015). ``Regarding Microbiological Criteria as
Indicators of Process Control or Insanitary Conditions, available at
https://www.fsis.usda.gov/sites/default/files/media_file/2020-07/NACMCF-Report-Process-Control-061015.pdf.
---------------------------------------------------------------------------
6. Recordkeeping Requirements
FSIS is proposing to add a new paragraph (2) to 381.65(h) that
would require establishments to electronically submit a copy of their
microbial monitoring results to FSIS on a monthly basis. As part of the
publication of any final requirements, FSIS would provide a template to
each establishment for submitting monthly results. While FSIS
inspectors would continue to review process control sampling data in
establishments, the proposed change would allow FSIS headquarters
personnel to evaluate national trends to determine the efficacy of the
revised process control requirements in reducing final product
contamination and to inform FSIS' decision-making concerning agency
verification sampling.
As part of the Salmonella Framework effort, FSIS met with internal
FSIS, industry, and other government official stakeholders to explore
potential improvements to FSIS receipt of third-party data. FSIS,
academic, and industry stakeholders expressed concern around the lack
of options for nationally represented industry microbial data. FSIS has
determined it could update its information technology systems to
provide for both individual result and bulk result data uploads by
third parties. FSIS would publish guidance regarding the electronic
submission of data alongside any final rule resulting from this
proposal. FSIS is developing a web portal that will allow external
partners to securely upload their sampling information and submit the
data to FSIS electronically in a machine-readable format. The proposed
fields that would be uploaded into the portal are: a sample
identification number, the establishment number, date, time, slaughter
line number, location of sample collection (e.g., rehang, post-chill),
poultry species sampled, sample type (e.g., rinsate, sponge), analyte
(e.g., AC, EB), analyte units (e.g., cfu/mL), quantified analyte
result, and text analyte result (e.g., Upper LOD). FSIS is
seeking comments on the proposed data fields requested. Establishments
would have the option of entering the information directly into the
system or utilizing the FSIS provided spreadsheet file discussed above
as a template to bulk upload the information. FSIS anticipates that
most establishments would use the FSIS provided template as the HACCP
MMP monitoring record to avoid duplication of monitoring results.
FSIS is also seeking comment on specific data use opportunities
which could be pursued that would support FSIS investing additional
resources into the technology systems necessary to
[[Page 64719]]
blind the proprietary MMP result record copies for research, industry,
academic, or other pursuits.
IV. Component One: Pre-Harvest Measures
A. Scientific Support and Public Comments
Under Component One of the October 2022 draft framework, FSIS
indicated that it was considering whether it should require poultry
slaughter establishments to characterize Salmonella as a hazard
reasonably likely to occur at receiving and require that incoming
flocks be tested for Salmonella before entering an establishment. This
component is grounded in the strong scientific support for use of pre-
harvest interventions and management practices, in particular that
removing flocks of highly Salmonella-contaminated birds from the
slaughter process would result in less human exposure to Salmonella.
The results of the 2023 risk assessments underscore the potential
public health benefit of requiring pre-harvest interventions and
management practices to reduce Salmonella contamination on poultry.
Within the risk assessments, risk management options for controlling
Salmonella at the receiving step focused on chicken and turkey
slaughter establishments and sample results at the rehang location as a
proxy for sampling live birds at or before the receiving step.\173\ The
2023 risk assessments estimated the impact of eliminating certain
serotypes. Two options were modeled: in the first, rehang results were
considered as a verification of pre-harvest Salmonella control
strategies. More effective strategies mean lower rates of certain
serotypes at rehang. For the second option, rehang testing results
would be used to take actions, such as diverting positive flocks with
higher virulence serotypes to a safe end point (e.g., cook product from
those flocks).
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\173\ For chicken FSIS used rehang sample data collected during
the FSIS young chicken carcass exploratory sampling program (April
to November 2022). For turkey, FSIS modeled Salmonella at receiving
using rehang sampling data from the 2008-2009 FSIS Young Turkey
Carcass baseline study due to the absence of other data for the
turkey industry.
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If rehang testing is considered as a verification of pre-harvest
strategies, between 27,000 and 55,000 annual salmonellosis cases could
be avoided if flocks that have higher virulence serotypes were not
being processed for food. Alternatively, if rehang testing is used to
identify and divert contaminated carcasses, about 36,000 cases could be
avoided. However, to achieve these outcomes, flocks with a higher
virulence serotype would be diverted to a safe end point (e.g., for
cooking at an official establishment), resulting in the diversion of
46,000 flocks. Further, the rehang step takes place during processing.
Requiring processors to react to testing--with results not available to
at least two days--is not feasible. co Currently, FSIS analyzes about
10,000 young chicken carcasses from rinsates collected at the post-
chill location annually. By comparison, there are approximately 9.384
billion carcasses that are processed each year at approximately two
hundred slaughter establishments. Therefore, currently, FSIS analyzes
about one out of every million young chicken carcasses processed
annually.
Testing results at or before the receiving step may have a
substantial public health impact. However, the requirements associated
with the first option (verification of pre-harvest Salmonella control
strategies) would require substantial industry resources, and there is
no guarantee that the poultry industry would implement such Salmonella
control strategies, since the first option would not penalize
establishments for having highly virulent serotypes at the rehang step.
The second option (divert flocks that test positive to a safe endpoint)
would require the same resources as the first option. However, FSIS is
not proposing such a diversion requirement at this time.
FSIS does not have a routine sampling program at the rehang
location, but the Agency evaluated such a program as part of the 2022
young chicken exploratory sampling program discussed above. Among 180
establishments sampled twelve or more times at the rehang location,
Salmonella positive rates for young chicken carcasses ranged from 0 to
100 percent, and the 95 percent confidence interval ranged from 54.9 to
69.0 percent. Variability at the rehang location was also observed with
AC and EB. Among 180 establishments with at least twelve analyzed
sample pairs, the ACs average at the rehang location was 4.40 log cfu
per mL (95 percent confidence 4.34 to 4.46 log cfu per mL) and EB
average was 3.00 log cfu per mL (95 percent confidence 2.94 to 3.06 log
CFU per mL).
Two recent NACMCF reports, one published in March 2019 and the
March 2023 NACMF Final Report, support the important role pre-harvest
measures play in controlling Salmonella in poultry.
2019 NACMCF Report. At a March 2017 NACMCF meeting, FSIS asked the
committee to address the issue of how to reduce the prevalence of
Salmonella on poultry throughout the farm-to-table continuum.\174\ In
March 2019, the committee's final report addressing the Agency's
questions was published in the Journal of Food Protection.\175\
Questions two, three, and six related to pre-harvest measures to
control Salmonella in poultry. Question two asked where Salmonella
resides inside and on the surface of poultry and how those populations
of bacteria contribute to food contamination. The committee responded
that most carcass contamination is believed to result from leakage of
ingesta during crop removal and from feces during evisceration, as well
as aerosolization during picking. In addition, Salmonella may be
present in feather follicles and on the surface of broilers when they
enter the slaughter establishment. Several preslaughter strategies to
reduce the burden of Salmonella in flocks entering slaughter
establishments have been shown to be effective, and data demonstrating
a correlation between flock status of Salmonella and pre- and post-
chill contamination have been reported. Control measures for Salmonella
in poultry can be classified as those that target (i) exposure and
colonization within an individual animal, (ii) transmission between
parent flocks and progeny, and (iii) transmission between birds within
a flock. The committee also noted that Salmonella vaccination is one
breeder-level pre-harvest intervention that contributes to an overall
reduction and/or elimination of specific Salmonella serotypes. The
committee stated that the most effective vaccination strategy is to
focus on vaccination of breeder flocks and reduce vertical transmission
of Salmonella.
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\174\ 2015-2017 NACMCF Charge, Salmonella Control Strategies in
Poultry, available at: https://www.fsis.usda.gov/news-events/publications/2015-2017-national-advisory-committee-microbiological-criteria-foods.
\175\ Response to Questions Posed by the Food Safety and
Inspection Service Regarding Salmonella Control Strategies in
Poultry (March 26, 2019), Journal of Food Safety, available at:
https://www.fsis.usda.gov/news-events/publications/2015-2017-national-advisory-committee-microbiological-criteria-foods.
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Question three asked whether removing flocks of highly Salmonella-
contaminated birds entering the slaughter establishment can reduce
foodborne illnesses in humans. The committee responded that it is
logical to expect that removing flocks of highly Salmonella-
contaminated birds from the slaughter process would result in less
human exposure to that source of Salmonella, potentially resulting in
reduced foodborne illness in humans.
[[Page 64720]]
However, there was no consensus within the committee regarding the
predictive ability of farm sampling and subsequent Salmonella
contamination on neck skin at the end of processing. Given uncertainty
about the impact of removing flocks of highly Salmonella-contaminated
birds from slaughter, the committee recommended that process controls
be validated to address a worst-case scenario for contamination of
incoming birds and be continually operating at that level to address
the potential risk from highly contaminated birds. The committee
concluded that rather than establishing lot- or flock-specific
thresholds, Salmonella management programs should be based on
historical trend analyses of specific farms and transportation
supplying birds to the slaughter process. Sampling birds immediately
before entering the slaughter process would be ideal, but detection
technology did not currently exist to provide the rapid detection
needed for this scenario. Historical data might be used to build
statistical models to predict the potential for elevated levels of
Salmonella from a particular farm. In addition, monitoring of external
factors, such as weather or seasonality, may help indicate the
possibility of a higher-than-normal contamination level. Historical
knowledge of process controls and facility capability can be used by a
processor to determine whether process controls should be reassessed
and validated to address predicted risks.
Question six asked the committee to identify the top three focus
points, control measures, or best practices that would be compatible
with industry-wide practices and could be addressed or implemented to
achieve the highest rate of reductions of Salmonella product
contamination and foodborne illness. The committee's response included
the statement that prevention or elimination of Salmonella
colonization, should be effective for reducing Salmonella in final
product and contributing to public health improvements.
2023 NACMCF Report. In the 2023 NACMCF report, the committee
addressed issues related to pre-harvest measures to control Salmonella
in poultry.\176\ For question two of the NACMCF charges, FSIS asked the
committee what types of microbiological criteria could be established
to encourage control of Salmonella at pre-harvest, and what industry
data would provide evidence of control. As part of its response, the
committee noted that vaccination programs have been incorporated on
U.S. farms. The committee described such vaccination programs as an
effective management practice for controlling Salmonella at pre-harvest
and noted that vaccines are likely the only serotype-specific
intervention strategies.
---------------------------------------------------------------------------
\176\ NACMCF final report ``Response to Questions Posed by the
Food Safety and Inspection Service: Enhancing Salmonella Control in
Poultry Products'' (March 13, 2023), available at: https://www.fsis.usda.gov/policy/advisory-committees/national-advisory-committee-microbiological-criteria-foods-nacmcf/2021.
---------------------------------------------------------------------------
Together, the 2019 and 2023 NACMCF report responses related to pre-
harvest measures support the use of these measures to control
Salmonella in poultry. In the 2019 report, the committee concluded that
preslaughter strategies to reduce the burden of Salmonella in flocks
entering slaughter establishments are effective, and that data show a
correlation between flock status of Salmonella and pre- and post-chill
contamination. The 2019 report also indicated that it is probable that
removing flocks of highly Salmonella-contaminated birds from the
slaughter process would result in less human exposure to that source of
Salmonella, potentially resulting in reduced foodborne illness in
humans. In the 2023 report, the committee recommended that the Agency
target for consideration conditions in houses, transport crates, and
holding areas that harbor and transmit Salmonella by universal
implementation of known and validated mitigation strategies. Of note,
both final reports indicated uncertainty regarding whether current
testing technology and data are available to design and broadly
implement effective threshold requirements for segregating Salmonella-
contaminated flocks at receiving.
As discussed above, FSIS received comments on Component One of the
October 2022 draft Salmonella Framework that raised concerns related to
costs, testing technology, and implementation challenges. Several
comments from small poultry processors and producers and trade
associations representing the meat and poultry industries that
expressed concerns that the measures under consideration in Component
One would impose an overwhelming burden on small producers and
processors.
In light of these comments, FSIS has decided at this time not to
establish a regulatory requirement that establishments characterize
Salmonella as a hazard reasonably likely to occur at receiving or that
incoming flocks be tested for Salmonella before entering an
establishment. FSIS will actively seek evidence and best practices from
the poultry industry. The Agency will revisit its strategy for using
testing (including quantitation and deep serotyping) to minimize the
risk of cross-contamination at processing when logistical challenges
have been addressed and testing becomes more timely and affordable.
FSIS has decided, instead, for the time being, to focus on non-
regulatory approaches to controlling Salmonella at preharvest and
reducing the Salmonella load on birds at receiving. FSIS not proposing
to enforce measures under Component One at this time. If the Agency
decides to make any of the approaches discussed below mandatory, it
will do so through future rulemaking.
B. Possible Approaches To Control Salmonella at Pre-Harvest
1. National Poultry Improvement Program
FSIS will explore whether existing or new certification programs
under the National Poultry Improvement Program (``NPIP'' or the
``Plan'') could serve to verify and document producers' actions (such
as use of Salmonella vaccines) to control Salmonella, including
serotypes of public health significance.
Administered by APHIS, NPIP is a cooperative industry, state, and
federal program initially established to improve poultry and poultry
products and prevent and control poultry diseases.\177\ The Plan
identifies States, flocks, hatcheries, dealers, and slaughter plants
that meet certain disease control standards specified in the Plan's
various programs. NPIP regulations in 9 CFR parts 145 and 146 contain
requirements that must be observed by participating flocks, including
testing and biosecurity measures. These measures are updated over time
as the science and technology evolve and improve. Affiliated flock-
owners participate in the Plan through an agreement with a
participating hatchery. Participating hatcheries must be maintained in
sanitary condition as outlined in the NPIP Program Standards and the
U.S. Code of Federal Regulations and are subject to third party audit
by an official state agency at least once every two years or a
sufficient frequency to ensure compliance. NPIP programs are available
for multiplier and primary breeding flocks for meat-type chicken and
products (9 CFR part 145 subparts C and H), and turkey breeding flocks
and products (9 CFR part 145 subpart D). These programs include
biosecurity measures and may include testing for Salmonella or
Salmonella serotype Enteritidis. The
[[Page 64721]]
Plan's ``U.S. Salmonella Monitored Program'' is intended for primary
breeders of meat type chickens to reduce the incidence of Salmonella
organisms in hatching eggs and chicks through an effective and
practical sanitation program at the breeder farm and in the hatchery.
The Plan's ``U.S. S. Enteritidis Clean Program'' is intended for
primary or multiplier breeders of meat-type chickens wishing to assure
their customers that the chicks produced are certified free of
Salmonella Enteritidis.
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\177\ USDA Animal and Plant Health and Inspection Service
(APHIS) National Poultry Improvement Plan information available at:
https://www.poultryimprovement.org/default.cfm.
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2. Vaccination
FSIS will more actively encourage the development, licensure, and
use of poultry vaccines against Salmonella serotypes of public health
concern, particularly live attenuated vaccines, and will provide
sampling data and technical support, as appropriate, to industry and
regulatory bodies to advance these goals.
Salmonella vaccination is one tool in a multifaceted approach to
overall Salmonella reduction and/or elimination of specific Salmonella
serotypes. Vaccines reduce the susceptibility of individual birds to
Salmonella infection, transmission among breeding flocks, cross-
contamination during meat bird production, contamination of poultry
house environments, and transmission to subsequent flocks. Live
attenuated vaccines are derived from a specific strain of a target
organism (i.e., Salmonella Typhimurium), subunit vaccines containing
protein or nucleic acid from the target organism, and autogenous
inactivated vaccines against a cocktail of strains found in a local
area. Vaccines may provide cross protection across serotypes. For
example, the availability of a commercial live attenuated vaccine
created from Salmonella Typhimurium corresponded to a profound decline
in the incidence of both Typhimurium and a related serotype Heidelberg
illnesses.\178\ Attenuated strains can be designed to expose common
antigens, therefore inducing cross-protective immunity against diverse
Salmonella serotypes.\179\ Although vaccines can be protective and
limit horizontal transmission of infection within broiler flocks, they
must be given multiple times to all birds in each flock and, therefore,
present logistical and cost challenges that must be overcome.
---------------------------------------------------------------------------
\178\ NACMCF Report: ``Response to Questions Posed by the Food
Safety and Inspection Service: Enhancing Salmonella Control in
Poultry Products'' (Mar 2023). Available at: https://www.fsis.usda.gov/policy/advisory-committees/national-advisory-committee-microbiological-criteria-foods-nacmcf/2021.
\179\ Aehle, S. and R. Curtiss (2017). Chapter 14--Current and
Future Perspectives on Development of Salmonella Vaccine
Technologies. Producing Safe Eggs. S. C. Ricke and R. K. Gast. San
Diego, Academic Press: 281-299; Hassan, J. O. and R. Curtiss Iii
(1997). ``Efficacy of a live avirulent Salmonella typhimurium
vaccine in preventing colonization and invasion of laying hens by
Salmonella typhimurium and Salmonella enteritidis.'' Avian Dis
41(4): 783-791.
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FSIS will continue to collect data on the impact of vaccine use on
FSIS verification testing through pilot projects. As noted above, since
March 2023, FSIS has granted pilot projects to 9 establishments to
examine the merits and logistics of excluding Salmonella poultry
vaccine strains from the FSIS Salmonella performance categorization
calculation. Modified live Salmonella vaccines are used to reduce
Salmonella colonization in poultry. These vaccine strains are not
foodborne pathogens, making them a valuable pre-harvest tool for
controlling wild-type Salmonella. FSIS is able to identify vaccine
strains isolated from raw poultry products through the use of whole
genome sequencing.
FSIS examined Salmonella detection and serotype data from flocks
vaccinated with a modified live Salmonella vaccine at pre- and post-
intervention points in the participating slaughter establishments.
These data show that vaccine strains can occasionally be found in raw
poultry products even when the vaccine is used as directed on the
label. After reviewing the data, FSIS concluded that its policy to
count such strains as a positive result in performance categorization
may discourage use of vaccination as a tool to control Salmonella.
Therefore, on March 1, 2024, FSIS announced that beginning April 1,
2024, it intends to exclude current commercial vaccine subtypes
confirmed in FSIS raw poultry samples from the calculation used to
categorize establishments under the raw poultry Salmonella performance
standards.\180\ This action is intended to remove barriers to the use
of vaccination as an important pre-harvest intervention to control
Salmonella in poultry. A summary report of the data from these pilots
is posted on the Pilot Projects: Salmonella Control Strategies page of
the FSIS website at: https://www.fsis.usda.gov/inspection/inspection-programs/inspection-poultry-products/reducing-salmonella-poultry/pilot.
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\180\ FSIS Constituent Update--March 1, 2024: FSIS Intends to
Exclude Vaccine Strains from the FSIS Salmonella Performance
Categorization at: https://www.fsis.usda.gov/news-events/news-press-releases/constituent-update-march-1-2024.
---------------------------------------------------------------------------
3. Supply Chain Control Programs
Establishments operating under HACCP regulations (9 CFR part 417)
must perform a hazard analysis to identify food safety hazards that can
occur before, during, and after entry into the establishment and to
identify the preventive measures the establishment can apply to control
those hazards. Establishments that identify hazards that occur before
entry face the challenge of providing assurance that preventive
measures are effectively applied. FSIS-inspected establishments
operating under HACCP must document, validate, and verify the
effectiveness of their hazard control(s). While not required to do so,
establishments slaughtering poultry that have identified Salmonella as
a hazard during the breeder and multiplier and production stages are
encouraged by FSIS to use supply chain programs \181\ to verify the
effectiveness of their supplier's interventions, and the Agency will
ramp up its efforts to assist any establishment that wants to implement
a supply chain program.
---------------------------------------------------------------------------
\181\ One example of a supply chain program is a process
verified program (PVP) administered by USDA's Agricultural Marketing
Service (AMS). A PVP may include one or more agricultural processes
or portions of processes where self-described process points are
supported by a documented management system, and independently
verified by a qualified AMS auditor. One PVP available to the
poultry industry is the Quality System Assessment (QSA). The QSA
provides companies that supply agricultural products and services
the opportunity to assure customers of their ability to provide
consistent quality products or services. It is limited to programs
or portions of programs where specified product requirements are
supported by a documented quality management system. USDA AMS
Process Verified Program information available at: https://www.ams.usda.gov/services/auditing/process-verified-programs.
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4. Updated Pre-Harvest Guidance
FSIS intends to revise its existing guideline on Controlling
Salmonella in Raw Poultry \182\ to provide updated guidance on pre-
harvest interventions and management practices for preventing and
reducing Salmonella colonization in live birds. FSIS remains committed
to identifying and developing strategies for addressing Salmonella
contamination in the pre-harvest environment. Additionally, the Agency
is working with the USDA's Agricultural Research Service (ARS) on a
literature review of Salmonella presence in poultry at pre-harvest.
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\182\ FSIS Guideline for Controlling Salmonella in Raw Poultry
(June 2021), available at: https://www.fsis.usda.gov/guidelines/2021-0005.
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V. State Programs and Foreign Government Programs
States that have their own poultry inspection programs for poultry
[[Page 64722]]
products produced and transported solely within the State are required
to have mandatory ante-mortem and post-mortem inspection, reinspection,
and sanitation requirements that are at least equal to those in the
PPIA (21 U.S.C. 454(a)(1)). Therefore, if FSIS finalizes this proposed
rule and determination, these States would need to develop sampling
procedures and testing methods to detect Salmonella at or above 10 cfu/
mL(g) in an analytical portion and Salmonella serotypes of public
health significance identified for raw chicken carcasses, chicken
parts, comminuted chicken, and comminuted turkey products that are at
least as sensitive as FSIS' procedures and testing methods for
Salmonella. Additionally, these States would need to implement
requirements for poultry slaughter establishments to develop,
implement, and maintain written procedures to prevent contamination by
enteric pathogens throughout the entire slaughter and dressing
operation that are at least equal to FSIS' proposed revisions to the
poultry regulations. FSIS will coordinate closely with States that
maintain federally supported poultry inspection programs to ensure that
this Salmonella Framework for raw poultry products is implemented in
all intrastate establishments.
Foreign countries that are eligible to export poultry products to
the United States must apply inspection, sanitary, and other standards
that are equivalent to those that FSIS applies to those products (21
U.S.C. 466). Thus, in evaluating a foreign country's poultry inspection
system to determine the country's eligibility to export products to the
United States, FSIS will consider whether the sampling procedures and
testing methods that the country implements for detection of Salmonella
at or above 10 cfu/mL(g) in an analytical portion and Salmonella
serotypes of public health significance identified for raw chicken
carcasses, chicken parts, comminuted chicken, and comminuted turkey
products are equivalent to FSIS' sampling procedures and testing
methods. Additionally, FSIS will also evaluate whether the country's
requirements for slaughter establishments to develop, implement, and
maintain written procedures to prevent contamination by enteric
pathogens throughout the entire slaughter and dressing operation are
equivalent to FSIS' proposed revisions to the poultry regulations. FSIS
will continue to use the existing equivalence process to ensure that
foreign countries implement requirements, sampling procedures and
testing methods equivalent to FSIS' proposed revisions to the poultry
regulations and the sampling procedures and testing methods for
Salmonella in raw chicken carcasses, chicken parts, comminuted chicken,
and comminuted turkey products. FSIS intends to provide countries that
export poultry products to the United States 3 years after publication
of the final rule to submit adequate documentation to support that
their poultry inspection system is equivalent to FSIS' inspection
system. Thus, exporting countries would have a 3-year transition period
in which they could continue to export poultry products to the United
States while they implement measures to ensure that their poultry
inspection system is equivalent to the U.S. system. FSIS would likely
begin testing imported raw chicken carcasses, chicken parts, comminuted
chicken, and comminuted turkey products to verify products are not
adulterated one year after the final publication. FSIS will provide
additional details on these issues in any final rule and determination
resulting from this proposal.
VI. Executive Orders 12866, as Amended by 14094, and 13563
Executive Orders (E.O.) 12866, as amended by 14094, and 13563
direct agencies to assess all costs and benefits of available
regulatory alternatives and, if regulation is necessary, to select
regulatory approaches that maximize net benefits (including potential
economic, environmental, public health and safety effects, distributive
impacts, and equity). E.O. 13563 emphasizes the importance of
quantifying both costs and benefits, of reducing costs, of harmonizing
rules, and of promoting flexibility. This proposed rule and proposed
determination have been designated a ``significant'' regulatory action
by the Office of Information and Regulatory Affairs under section 3(f)
of E.O. 12866. Accordingly, the proposed rule and proposed
determination have been reviewed by the Office of Management and Budget
under E.O. 12866.
Regulatory Impact Analysis
FSIS is proposing to clarify certain process control requirements
for poultry slaughter establishments and establish final product
standards for chicken carcasses, chicken parts, comminuted chicken, and
comminuted turkey. This proposal is aimed at reducing Salmonella
illnesses in the U.S. population.
FSIS is proposing to clarify current requirements for monitoring
compliance with 9 CFR 381.65(g) for poultry slaughter establishments
and to require poultry slaughter establishments to submit process
control monitoring data electronically to FSIS. These establishments
are currently required to monitor their processes to ensure they comply
with FSIS regulations. FSIS is clarifying that MMPs need to be
statistically based and is requiring that establishments collect
samples specifically at rehang, or an alternative location if they
submit and maintain supporting documentation. The proposed
clarifications are estimated to have minimal economic impact on most
establishments, while the potential effects on VLV and VS
establishments operating under Traditional Inspection, as described in
this analysis, would be potentially mitigated by the use of laboratory
services provided by FSIS.
FSIS is also proposing to implement new standards for chicken
carcasses, chicken parts, comminuted chicken, and comminuted turkey as
final products that would enter commerce. Product subject to these
standards, as described in the foregoing, would be subject to FSIS
routine sampling and verification testing for Salmonella.
Establishments subject to FSIS verification sampling would be required
to maintain control of sampled product pending test results. Product
lots that do not meet the standards would be considered adulterated and
would be diverted from commerce. Establishments could divert
adulterated product to be fully cooked at a federal establishment and
then sent into commerce.
Finally, FSIS is encouraging establishments to consider including
pre-harvest measures in their HACCP systems to address the hazard of
Salmonella contamination prior to slaughter. The Agency is not
requiring that establishments adopt pre-harvest measures; thus, any
potential costs or benefits associated with those measures are
especially challenging to analyze, and we request comment on relevant
data and analytic methods of analysis.
Need for the Rule
This regulatory action is necessary because while the results of
FSIS' Salmonella verification sampling show that the current
prevalence-based performance standards approach has been effective in
reducing the proportion of poultry products contaminated with
Salmonella, these measures have yet to have an observable impact on
overall human Salmonella illness rates (see the Salmonella Performance
Standards and Illnesses section for more details). An estimated 23
percent of Salmonella illnesses are
[[Page 64723]]
attributed to poultry--17 percent to chicken products and 6 percent to
turkey products--making poultry one of the leading sources of foodborne
Salmonella illnesses in the United States.\183\ Thus, a reduction in
Salmonella illnesses associated with poultry consumption would be
expected to have an impact on overall Salmonella illnesses. A 2015
analysis found that poultry consumption was more likely than any other
animal protein to lead to Salmonella illnesses.\184\ Additionally, a
2021 study observed that Salmonella outbreaks related to consumption of
single ingredient poultry products were disproportionately higher than
the estimated level of consumption of single ingredient poultry
products.\185\
---------------------------------------------------------------------------
\183\ The Interagency Food Safety Analytics Collaboration
(IFSAC), ``Foodborne illness source attribution estimates for 2019
for Salmonella, Escherichia coli O157, Listeria monocytogenes, and
Campylobacter using multi-year outbreak surveillance data, United
States,'' October 2021, https://www.cdc.gov/ifsac/php/annual-reports/. Annually, IFSAC releases a report that estimates
foodborne illness source attribution for major commodity groups,
including Salmonella in poultry products. At the time this proposal
was developed, the 2019 IFSAC attribution estimates were the most
recent data available. IFSAC released a new annual report in
November 2023, which includes attribution estimates for 2020. In the
2023 report, IFSAC estimated that 18.6 percent of Salmonella
illnesses are attributed to chicken products and 5.5 percent to
turkey products, for a total 24.1 percent attributed to poultry
products. FSIS intends to incorporate the 2023 report attribution
estimates if this proposal is finalized. IFSAC, ``Foodborne illness
source attribution estimates for Salmonella, Escherichia coli O157,
and Listeria monocytogenes--United States 2021,'' November 2023,
https://www.cdc.gov/ifsac/php/annual-reports/.
\184\ The analysis estimated that the risk of getting sick from
Salmonella from one serving of poultry products was 94, 97, and 87
percent larger than that for a serving of pork, beef, and lamb
products, respectively. Hsi, D.J., Ebel, E.D., Williams, M.S.,
Golden, N.J. and Schlosser, W.D., 2015. Comparing foodborne illness
risks among meat commodities in the United States, Food Control, 54,
pp.353-359. https://doi.org/10.1016/j.foodcont.2015.02.018.
\185\ The analysis observed that while chicken and turkey
consumption represent roughly 0.6 and 0.2 percent of the U.S. daily
diet, the share of outbreaks linked to these products is
significantly higher: 2.1 and 1.5 percent, respectively. These
estimates are for chicken and turkey consumed as single-ingredient
foods. Richardson, L.C., Cole D., Hoekstra, R.M., Rajasingham, A.,
Johnson, S.D., Bruce, B.B., 2021. Foods Implicated in U.S. Outbreaks
Differ from the Types Most Commonly Consumed. Journal of Food
Protection, 84(5), pp.869-875. https://doi.org/10.4315/JFP-20-293.
---------------------------------------------------------------------------
As part of this proposal for Salmonella in poultry, FSIS is
proposing to clarify existing regulatory requirements related to
process control monitoring and recordkeeping in 9 CFR 381.65(g) and (h)
to better ensure that poultry slaughter establishments are effectively
controlling Salmonella throughout their slaughter and dressing
operations. FSIS is also proposing to declare that raw chicken
carcasses, parts, and comminuted chicken and turkey that contain
Salmonella at or above 10 cfu/mL(g) and a serotype of public health
significance are adulterated because the 2023 risk assessments found
that servings contaminated with these Salmonella levels and serotypes
are much more likely to cause illness than the majority of chicken
carcasses, chicken parts, comminuted chicken, and comminuted turkey
servings (see the Risk per Serving, Salmonella Levels, and Proposed
Determination section for more details). The 2023 risk assessments
estimate that diverting products that contain these Salmonella levels
and serotypes from commerce would prevent annual foodborne illnesses
from Salmonella linked to poultry.\186\ Moreover, the FSIS risk profile
indicates that for certain Salmonella serotypes often linked to poultry
products a small amount of Salmonella bacteria can cause illness.\187\
It also noted that these serotypes caused hospitalization more
frequently and led to invasive disease and death as well as
debilitating human health outcomes.
---------------------------------------------------------------------------
\186\ USDA, FSIS, ``Quantitative Microbiological Risk Assessment
for Salmonella in Raw Chicken and Raw Chicken Products,'' January
2023; USDA, FSIS, ``Quantitative Microbiological Risk Assessment for
Salmonella in Raw Turkey and Raw Turkey Products,'' January 2023 at:
https://www.regulations.gov/docket/FSIS-2023-0028.
\187\ USDA, FSIS, ``Risk Profile for Pathogenic Salmonella
Subtypes in Poultry,'' February 28, 2023 at: https://www.regulations.gov/docket/FSIS-2023-0028.
---------------------------------------------------------------------------
FSIS is taking this regulatory action to protect public health and
reduce the number of Salmonella illnesses linked to poultry products.
If this proposal is finalized, it would protect consumers from
consuming products that have a higher probability of illness and would
incentivize producers implement food safety measures that would
minimize the risk of Salmonella illnesses.
Baseline for Evaluation of Costs and Benefits
Poultry consumption has grown 13 percent over the past 10 years,
with broiler meat accounting for 83 percent of the total consumption,
while turkey accounts for about 16 percent. Poultry--mainly chicken--is
the main source of animal protein across demographic groups and is
consumed both at home and away from home.\188\ Poultry products are
available in multiple formulations, ranging from raw whole birds and
parts to fully cooked, ready-to-eat products. In the United States,
chicken breasts, legs, and wings are the most consumed chicken
products.\189\ Turkey consumption, in contrast, is mainly as whole
turkey, deli meat, ground turkey, or turkey bacon. Ground turkey
consumption has increased substantially in the last decade, mainly as
consumers opt for this product as a substitute for ground beef.\190\
---------------------------------------------------------------------------
\188\ There is variability in poultry consumption among
demographic groups. For example, poultry consumption is higher among
the non-Hispanic Black population, followed by Hispanics and non-
Hispanic Asians. Poultry also represents a substantial source of
protein for children, with chicken being the main source of animal
protein among them. USDA, ERS, ``Racial and Ethnic Diversification
Will Likely Shape U.S. Food Demand and Diet Quality,'' by Diansheng
Dong and Hayden Stewart, April 4, 2022, https://www.ers.usda.gov/amber-waves/2022/april/racial-and-ethnic-diversification-will-likely-shape-u-s-food-demand-and-diet-quality/.
\189\ USDA, Economic Research Service (ERS), ``Chicken leads
U.S. per person availability of meat over last decade,'' March 1,
2023, https://www.ers.usda.gov/data-products/chart-gallery/gallery/chart-detail/?chartId=105929.
\190\ National Turkey Federation, ``Turkey by the Numbers,''
accessed June 20, 2021, https://www.eatturkey.org/turkeystats/;
Agricultural Marketing Resource Center, ``Turkey Profile,'' January
2022, https://www.agmrc.org/commodities-products/livestock-dairy-poultry/poultry/turkey-profile.
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On average, U.S. poultry establishments slaughtered 9.5 billion
birds annually between 2017 and 2021, which is approximately 49.4
billion pounds of poultry. Broiler and turkey meat accounted for 87 and
12 percent of this production, respectively.\191\ The U.S. poultry
supply is mainly comprised of domestically grown and processed poultry
as imports represent a very small fraction of the total supply.\192\
Federally inspected establishments produce the vast majority of U.S.
commercial poultry supply.\193\ Most federally inspected establishments
that produce a high volume of product solely produce chicken or turkey
products. Some establishments also slaughter other classes of poultry,
such as duck and geese. While there are establishments that slaughter
multiple species, they tend to produce a low volume of product.
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\191\ Other types of poultry (e.g., duck) account for the
remaining 1 percent.
\192\ Imports of poultry products into the United States
represented less than 0.5 percent of total U.S. poultry consumption
in 2021. The United States is a net exporter of poultry to the world
and is the second largest exporter globally, with exports
representing about 16 percent of the total domestic production in
2021. USDA, Foreign Agricultural Service, ``Production, Supply and
Distribution database,'' accessed May 11, 2023.
\193\ USDA, National Agricultural Statistics Service, Surveys:
Poultry Slaughter, October 19, 2020, https://www.nass.usda.gov/Surveys/Guide_to_NASS_Surveys/Poultry_Slaughter/index.php.
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[[Page 64724]]
Establishments Subject to the Current Salmonella Performance Standards
and Proposed Final Product Standards
FSIS used 2021 Public Health Information System (PHIS) data to
identify establishments under the current Salmonella performance
standards that produce chicken carcasses, chicken parts, comminuted
chicken, and comminuted turkey, as well as their production
volumes.\194\
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\194\ USDA, FSIS, Public Health Information System database,
accessed January 2, 2023 and April 5, 2023. Certain establishments
are currently excluded from Salmonella verification testing. 81 FR
7288. FSIS adjusted the estimates for chicken parts, comminuted
chicken, and comminuted turkey to match slaughter totals in the
analysis period.
---------------------------------------------------------------------------
Chicken Carcasses
In 2021, there were a total of 188 establishments under FSIS
verification sampling for chicken carcasses that slaughtered over 8.3
billion chickens. FSIS classified these establishments into one of four
volume categories (Table 13). Of these, 142 establishments were high-
volume establishments, 9 were medium-volume, 4 were low-volume, and 33
were VLV chicken slaughter establishments. The 142 high-volume
establishments accounted for over 99.5 percent of the total head count
slaughtered in 2021.
Table 13--Chicken Carcasses: Establishments Under FSIS Performance Standards
[2021]
----------------------------------------------------------------------------------------------------------------
Number of Annual production Share of
Establishment volume category Definition (birds) establishments (million birds) production (%)
----------------------------------------------------------------------------------------------------------------
High............................. 10 million or more.. 142 8,270 99.52
Medium........................... More than 1.1 9 33 0.40
million and less
than 10 million.
Low.............................. More than 440,001 4 2 0.03
and less than 1.1
million.
Very Low \1\..................... No more than 440,000 33 4 0.05
--------------------------------------------------------
Total........................ .................... 188 8,309 .................
----------------------------------------------------------------------------------------------------------------
\1\ Very low-volume establishments are defined in 9 CFR 381.65g(1)(i).
Note: Numbers in table may not sum to totals due to rounding.
Chicken Parts
In 2021, there were 490 establishments under FSIS verification
sampling that produced chicken legs, breasts, wings, halves, and/or
quarters (Table 14). Of these, 484 establishments were subject to FSIS
performance standards sampling for chicken legs, breasts, and wings.
The proposal would apply to establishments that produce chicken legs,
breasts, wings, thighs, halves, and quarters. In 2021, most of the
establishments producing chicken halves and quarters also produced
legs, breasts, and wings. FSIS sampling at these establishments would
be adjusted to incorporate chicken halves and quarters samples, while
maintaining the current sampling frequency. In 2021, six establishments
produced chicken halves and quarters, but did not produce legs,
breasts, or wings. These six establishments are currently sampled as
part of FSIS' exploratory sampling program for chicken halves and
quarters.
FSIS estimates that these establishments produced over 31.2 billion
pounds of chicken parts in 2021. FSIS classified these establishments
according to the volume categories the Agency used in the 2016 cost-
benefit analysis in support of FSIS ``Chicken Parts and Not Ready-To-
Eat Comminuted Poultry Performance Standards.'' \195\ In 2021, 154 of
these establishments were high-volume, 209 were medium-volume, and 127
were low-volume establishments (Table 14). The 154 high-volume
establishments accounted for roughly 90 percent of the production
volume of chicken parts in 2021.
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\195\ USDA, FSIS, ``Chicken Parts and Not Ready-To-Eat
Comminuted Poultry Performance Standards,'' Final Cost-Benefit
Analysis, February 11, 2016, https://www.fsis.usda.gov/sites/default/files/media_file/documents/FRN-related-CBA-Salmonella-Campy-2014-0023-022016.pdf.
Table 14--Chicken Parts: Establishments Under FSIS Performance Standards (2021)
----------------------------------------------------------------------------------------------------------------
Definition (annual Number of Annual production Share of
Establishment volume category production pounds) establishments (million pounds) production (%)
----------------------------------------------------------------------------------------------------------------
High............................. 70 million or more.. 154 28,113 90.1
Medium........................... More than 1 million 209 3,055 9.8
and less than 70
million.
Low.............................. 1 million or less... 127 40 0.1
--------------------------------------------------------
Total........................ .................... 490 31,208 .................
----------------------------------------------------------------------------------------------------------------
Note: Numbers in table may not sum to totals due to rounding.
Comminuted Chicken
In 2021, there were 74 establishments under FSIS verification
sampling for comminuted chicken (Table 15). FSIS estimates that these
establishments produced about 2.3 billion pounds of comminuted chicken
in 2021. Using the categories in the 2016 cost-benefit analysis, the
Agency classified 35 establishments as medium-volume and 39
establishments as low-volume. The
[[Page 64725]]
35 medium-volume establishments accounted for 97.2 percent of total
production of comminuted chicken in 2021.
Table 15--Comminuted Chicken: Establishments Under FSIS Performance Standards (2021)
----------------------------------------------------------------------------------------------------------------
Definition (daily Number of Annual production Share of
Establishment volume category production pounds) establishments (million pounds) production (%)
----------------------------------------------------------------------------------------------------------------
High............................. 250,000 or more..... 0 0 0.0
Medium........................... More than 6,000 and 35 2,193 97.2
less than 250,000.
Low.............................. Less than 6,000..... 39 63 2.8
--------------------------------------------------------
Total........................ .................... 74 2,256 .................
----------------------------------------------------------------------------------------------------------------
Note: Numbers in table may not sum to totals due to rounding.
Comminuted Turkey
In 2021, there were 48 establishments under FSIS verification
sampling for comminuted turkey (Table 16). FSIS estimates that these
establishments produced about 1.7 billion pounds of comminuted turkey
in 2021. Using the categories in the 2016 cost-benefit analysis, the
Agency classified 5 establishments as high-volume, 25 establishments as
medium-volume, and 18 as low-volume establishments. The 5 high-volume
establishments accounted for 54.2 percent of the total production in
2021, while medium-volume establishments accounted for 45.3 percent,
and low-volume establishments accounted for less than 1 percent of the
total.
Table 16--Comminuted Turkey: Establishments Under FSIS Performance Standards (2021)
----------------------------------------------------------------------------------------------------------------
Definition (daily Number of Annual production Share of
Establishment volume category production pounds) establishments (million pounds) production (%)
----------------------------------------------------------------------------------------------------------------
High............................. 250,000 or more..... 5 917 54.2
Medium........................... More than 6,001 and 25 766 45.3
less than 250,000.
Low.............................. Less than 6,000..... 18 8 0.5
--------------------------------------------------------
Total........................ .................... 48 1,691 .................
----------------------------------------------------------------------------------------------------------------
Note: Numbers in table may not sum to totals due to rounding.
Salmonella on Poultry Products
Salmonella is a foodborne pathogen commonly attributed to
consumption of contaminated products that can lead to serious illness
and death. In the United States, it is estimated to cause over 1.35
million illnesses annually, including 26,500 hospitalizations and 420
deaths.\196\ Salmonella is estimated to be the leading pathogen in
terms of total cost of illnesses in the United States, with about 24
percent of the total cost.\197\ A 2020 study estimated that the
economic costs of Salmonella illnesses associated with chicken is $2.8
billion annually.\198\ A 2021 Interagency Food Safety Analytics
Collaboration report attributed roughly 23 percent of the total annual
Salmonella illnesses to consumption of poultry products, mainly chicken
(17 percent) and turkey (6 percent).\199\ Salmonella outbreaks linked
to poultry products have continued to occur over the last two decades.
From 1998 to 2020, FSIS identified 210 foodborne Salmonella outbreaks
linked to chicken or turkey (Figure 1).\200\ Generally, chicken
products were implicated in 84.8 percent (178 out of 210) of the
outbreaks and turkey products were implicated in 15.2 percent (32 out
of 210) of the outbreaks.\201\
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\196\ CDC, ``Salmonella,'' November 10, 2022. https://www.cdc.gov/salmonella/; USDA, FSIS, ``Risk Profile for
Pathogenic Salmonella Subtypes in Poultry,'' February 28, 2023 at:
https://www.regulations.gov/docket/FSIS-2023-0028.
\197\ USDA, ERS, ``Cost Estimates of Foodborne Illnesses,''
Total cost of foodborne illness estimates for 15 leading foodborne
pathogens dataset, March 10, 2021, https://www.ers.usda.gov/data-products/cost-estimates-of-foodborne-illnesses.aspx.
\198\ USDA, FSIS, ``USDA Releases Proposed Regulatory Framework
to Reduce Salmonella Infections Linked to Poultry Products,''
October 14, 2022, https://www.fsis.usda.gov/news-events/news-press-releases/usda-releases-proposed-regulatory-framework-reduce-salmonella. A cost of illness model that replaces the productivity
loss estimates with a pain, suffering, and functional disability
measure based on monetized quality-adjusted life year estimates
indicates that the estimated annual cost of Salmonella illness was
around $11.4 billion (ranging from $2.5 to $29.1 billion) in 2010
dollars. Scharff, R.L., 2012. Economic burden from health losses due
to foodborne illness in the United States. Journal of food
protection, 75(1), pp.123-131, DOI: 10.4315/0362-028X.JFP-11-058.
\199\ The Interagency Food Safety Analytics Collaboration,
``Foodborne illness source attribution estimates for 2019 for
Salmonella, Escherichia coli O157, Listeria monocytogenes, and
Campylobacter using multi-year outbreak surveillance data, United
States,'' October 2021, https://www.cdc.gov/foodsafety/ifsac/pdf/P19-2019-report-TriAgency-508.pdf.
\200\ Chicken was considered the source of contamination on the
outbreak linked to stuffed chicken products.
\201\ CDC, National Outbreak Reporting System (NORS), NORS
Dashboard, accessed April 2023, https://wwwn.cdc.gov/norsdashboard/
;USDA, FSIS, ``Outbreak Investigations: Response May 10, 2023
https://www.fsis.usda.gov/food-safety/foodborne-illness-and-disease/outbreaks/outbreak-investigations-response.
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[[Page 64726]]
[GRAPHIC] [TIFF OMITTED] TP07AU24.041
In 2023, FSIS developed a risk profile that details current
knowledge on Salmonella to inform Agency efforts. The risk profile
identified 28 Salmonella serotypes (out of around 2,500 serotypes) and
four serogroups which were attributed to human salmonellosis from
consuming chicken and turkey products. The FSIS risk profile indicated
that for at least some subtypes of concern a small amount (i.e., low
dose of Salmonella bacteria), can cause illness. The FSIS risk profile
noted that certain serotypes caused hospitalization more frequently and
also led to invasive disease and death. Some subtypes have also been
found to cause debilitating human health outcomes. Among these outcomes
are cancer, inflammatory bowel disease, irritable bowel syndrome, and
reactive arthritis. The overall hospitalization rate for all Salmonella
is about 2 percent and the fatality rate is about 0.04 percent.
However, the hospitalization rate for these serotypes is nearly 23
percent and the fatality rate is about 0.5 percent.\202\
---------------------------------------------------------------------------
\202\ USDA, FSIS, ``Risk Profile for Pathogenic Salmonella
Subtypes in Poultry,'' February 28, 2023 at: https://www.regulations.gov/docket/FSIS-2023-0028.
---------------------------------------------------------------------------
Salmonella is the main pathogen resulting in foodborne illness-
related deaths and hospitalizations, as well as loss of quality-
adjusted life years (QALYs) and disability-adjusted life years (DALYs).
The CDC estimates that Salmonella accounts for about 11 percent of
total cases of domestically acquired foodborne illness.\203\ However,
it disproportionately accounts for about 44 percent of deaths
associated with domestic bacterial foodborne illness from major
pathogens and 28 percent of the hospitalizations. It has also been
estimated to lead to the highest amount of QALYs lost among 14 domestic
foodborne bacterial, viral, and parasitic pathogens. Salmonella is also
estimated to contribute to 32,900 lost DALYs, or about 30 percent of
lost DALYs from seven leading foodborne pathogens.\204\
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\203\ CDC, ``Burden of Foodborne Illness: Findings,'' November
5, 2018, https://www.cdc.gov/foodborneburden/2011-foodborne-estimates.html.
\204\ USDA, FSIS, ``Risk Profile for Pathogenic Salmonella
Subtypes in Poultry,'' February 28, 2023 at: https://www.regulations.gov/docket/FSIS-2023-0028.
---------------------------------------------------------------------------
Potential Costs and Benefits of the Proposed Rule and Proposed
Determination
FSIS estimates that this proposal would result in a reduction in
Salmonella illnesses among consumers. Furthermore, for producers, the
reduction in the risk of illness, and hence outbreaks, would result in
a lower risk of having to recall product. Producers would, as a result
avoid the costs associated with that reduction. While producers would
respond to this proposal in a way that makes economic sense to them,
FSIS estimated the quantified cost associated with this proposal as
explained in more detail below.
This proposal would also benefit industry as FSIS would clarify
process control requirements for poultry slaughter establishments,
which would likely contribute to a reduction in Salmonella
contamination. Further, the Agency would incentivize innovation and the
adoption of safer scientific methods in poultry production.
In the following sections, this analysis presents potential costs
and benefits generated over a range of assumptions that could accrue as
a result of FSIS' action, if this rule is finalized. To implement this
proposal, FSIS would adopt an implementation schedule that would allow
medium-, low-, and very low-volume establishments additional
flexibility. Specifically, medium-volume establishments would have two
years after the proposal is finalized to comply with the proposed
requirements, while low- and very low-volume establishments would have
three years. High-volume establishments would be required to comply
with these proposed requirements one year after this rule is finalized.
The Agency incorporated this implementation schedule into the
annualization of costs and benefits estimates in this analysis, which
are presented after the one-time and recurring cost estimates for each
requirement. FSIS annualized costs and benefits using a 7 percent
discount rate over a period of 10 years. FSIS applied the share of
production for each establishment category to derive the lost value and
prevented illness estimates that correspond with the implementation
schedule. FSIS is seeking comment on these assumptions.
[[Page 64727]]
Potential Costs of the Proposed Rule and Proposed Determination
Costs Associated With the Proposed Rule
Statistical Process Control Costs
FSIS currently requires poultry slaughter establishments to
develop, implement, and maintain written procedures to prevent
contamination by enteric pathogens and fecal contamination throughout
the entire slaughter operation and incorporate these procedures into
their HACCP systems (9 CFR 381.65(g)). At a minimum, these procedures
must include sampling and analysis for microbial organisms at pre-and
post-chill to monitor their ability to maintain process control, with
some exceptions for VS and VLV establishments operating under
Traditional Inspection. The proposal specifies that establishments must
collect the pre-chill sample at rehang (post-picking and pre-
evisceration) and clarifies that its microbial organism monitoring
practices must result in data suitable for monitoring process control.
While many establishments already meet the proposed specifications,
some establishments may change where they collect the pre-chill sample
or change the microbial organism they test for. However, establishments
may continue their current sampling location and microbial organism
monitoring practices, or adopt an alternative location and organism, if
they submit and maintain supporting documentation. The Agency is also
providing guidance for establishments to develop their MMPs. FSIS
assumes that most establishments would meet the proposed MMP
requirements without having to make any changes that would result in
costs, while some establishments would have to make minor changes in
response to this proposal at de minimis costs. The Agency is seeking
comments on these assumptions.
FSIS regulations currently require that VLV establishments collect
process control monitoring samples minimally once per week for a
minimum of 13 consecutive weeks per year, beginning the first week of
June.\205\ FSIS is proposing to eliminate the requirement that VLV
establishments begin sample collection the first week in June, which
would allow establishments to begin collecting samples throughout the
year. FSIS estimates there is no cost associated with this revised
requirement, while establishments may benefit from this flexibility.
---------------------------------------------------------------------------
\205\ 9 CFR 381.65(g)(2)(ii).
---------------------------------------------------------------------------
FSIS estimates that 90 VLV and 2 VS poultry slaughter
establishments operating under Traditional Inspection would likely need
to make changes in response to the proposed process control
requirements.\206\ FSIS is proposing to revise 9 CFR 381.65g(1) such
that all poultry slaughter establishments would be required to collect
samples at the rehang and post-chill locations. Very small and VLV
establishments operating under Traditional Inspection are currently
required to collect samples only at post-chill. FSIS currently requires
that VLV establishments minimally collect 13 weekly samples per year to
monitor process control. If this rule is finalized, these
establishments would be required to collect and analyze 13 additional
samples per year. The number of additional samples for VS
establishments operating under Traditional Inspection that are not VLV
establishments depends on their production volume. FSIS assumed that
these VS establishments currently collect 52 samples per year and,
consequently, would collect an additional 52 samples per year. FSIS is
seeking comment on these assumptions.
---------------------------------------------------------------------------
\206\ Very low-volume establishments are those that slaughter
less than 440,000 chickens or 60,000 of any other poultry class
annually. Very small establishments are those with less than 10
employees or under $2.5 million in annual sales. 9 CFR 381.65g(1)(i)
and 9 CFR 381.65g(1)(ii).
---------------------------------------------------------------------------
FSIS would reduce the burden this proposed increase in sampling
places on VLV and VS establishments operating under Traditional
Inspection by making laboratory services available to these
establishments. Use of the laboratories provided by FSIS would enable
these establishments to comply with the proposed minimum requirements
for MMPs. Should these establishments elect not to use the laboratory
services provided by FSIS, the Agency estimated the combined cost for
these establishments to meet the proposed increase in sampling would be
$48,412 annually (Table 17). Assuming the proposed implementation
schedule and annualizing over 10 years at a 7 percent discount rate,
the cost for these establishments to meet the proposed increase in
sampling would be $35,950. This analysis assumed samples collected at
these establishments are analyzed for AC, at a cost of $38 per sample.
Table 17--Statistical Process Control Costs
------------------------------------------------------------------------
Number of
Establishments type establishments Testing cost ($)
(2021)
------------------------------------------------------------------------
Very low-volume under Traditional 90 44,460
Inspection.......................
Very small under Traditional 2 3,952
Inspection.......................
-------------------------------------
Total......................... 92 48,412
Annualized \1\................ ................. 35,950
------------------------------------------------------------------------
\1\ Costs annualized at a discount rate of 7% over 10 years.
* Note: Numbers in table may not sum to totals due to rounding.
Electronic Data Submission
FSIS would require poultry slaughter establishments subject to 9
CFR 381.65(g) and (h) to electronically submit data generated as part
of their process control monitoring. FSIS estimates that high- and
medium-volume establishments already compile process control data
electronically due to the large volume of their operations and the
frequency of their sample collection and analysis. To mitigate the
impact on low- and VLV establishments, should this rule become final,
the Agency would develop and publish a template these establishments
could use to record and submit their monthly results.
In 2021, there were 298 establishments that would have been subject
to this change, of which 175 were high-volume, 15 medium-, 14 low-, and
94 very low-volume.\207\
[[Page 64728]]
Establishments that elect to use laboratory services provided by FSIS
for their process control samples would meet this requirement and not
incur additional costs. This analysis assumed that none of the eligible
establishments would choose to use laboratories provided by FSIS and
the Agency estimated the costs associated with this requirement for all
eligible establishments. Consequently, there is a tendency toward
overstatement in the cost to regulated establishments associated with
this proposal.
---------------------------------------------------------------------------
\207\ The 94 VLV establishments include the 90 establishments
operating under Traditional Inspection, as well as four
establishments not under Traditional Inspection.
---------------------------------------------------------------------------
FSIS assumed it would take a quality control (QC) manager 30
minutes (0.5 hours) once a month to submit these data. FSIS estimates
that the average wage for a QC manager is $113.24, which includes an
average hourly wage of $56.62 multiplied by a benefits and overhead
factor of two.\208\ Under these assumptions, the combined cost to
industry is $202,473 (0.5 hours x 12 months x 298 establishments x
$113.24) per year (Table 18), including $118,902 for high-volume
establishments, $10,192 for medium-volume, $9,512 for low-volume, and
$63,867 for VLV. Assuming the proposed implementation schedule and
annualizing over 10 years at a 7 percent discount rate, the cost for
electronic data submissions is $182,228.
---------------------------------------------------------------------------
\208\ Mean hourly wage estimate of $56.62 obtained from the
Bureau of Labor Statistics, May 2021 National Industry Specific
Occupational Employment and Wage Estimates for 11-3051 Management
Occupations. https://www.bls.gov/oes/2021/may/oes113051.htm.
Table 18--Electronic Data Submission Costs
----------------------------------------------------------------------------------------------------------------
Cost ($)
---------------------------------------------------------------
Establishment volume category All other
Chicken Turkey classes Total
----------------------------------------------------------------------------------------------------------------
High............................................ 97,839 19,024 2,038 118,902
Medium.......................................... 8,153 679 1,359 10,192
Low............................................. 7,474 679 1,359 9,512
Very Low........................................ 55,714 7,474 679 63,867
---------------------------------------------------------------
Total....................................... 169,181 27,857 5,436 202,473
Annualized \1\.............................. .............. .............. .............. 182,228
----------------------------------------------------------------------------------------------------------------
\1\ Costs annualized at a discount rate of 7% over 10 years.
Note: Numbers in table may not sum to totals due to rounding.
HACCP Plan Reassessment Costs 209
---------------------------------------------------------------------------
\209\ Note: For simplicity, this section includes HACCP
reassessment costs associated with the proposed rule and proposed
determination, as some establishments subject to the proposed rule
are also subject to the proposed determination.
---------------------------------------------------------------------------
The Agency assumed that every poultry slaughter establishment would
reassess their HACCP plans and incur associated costs. This likely
overestimates costs because not every establishment would reassess
their HACCP plans. For chicken slaughter establishments that produce
chicken carcasses subject to these proposed final product standards and
are also subject to the proposed process control requirements, FSIS
assumed they would only reassess their slaughter HACCP plan once.
However, for establishments that produce multiple products subject to
these final product standards, FSIS assumed they would reassess their
HACCP plans for each of the products they produce that are affected by
the proposed changes. However, establishments that have to reassess
HACCP plans for multiple products would likely experience some
economies of scope. Furthermore, establishments could coordinate
reassessing their HACCP plans in response to this proposal with
currently required annual reassessments.
FSIS estimates that the total cost to industry from reassessing
HACCP plans as a result of this proposal is $1.39 million, ranging from
$0.70 to $2.09 million (Table 19). Assuming the proposed implementation
schedule and annualizing over 10 years at a 7 percent discount rate,
the cost for HACCP plan reassessment is $0.18 million, ranging from
$0.09 million to $0.26 million. High- and medium-volume establishments
need an average of 60 hours (ranging from 30 to 90), while low and VLV
establishments need an average of 30 hours (ranging from 15 to 45) to
reassess a HACCP plan, according to the 2015 ``Costs of Food Safety
Investments'' report. This report estimated costs for large and small
establishments. FSIS assumed the large category would correspond with
high- and medium-volume establishments, while the small category would
correspond with low- and very low-volume establishments. FSIS used data
from the U.S. Bureau of Labor Statistics to update the hourly wage for
estimating these labor costs. Specifically, FSIS used the 2021 hourly
wage for a production worker of $30.78, which includes an average
hourly wage of $15.39 multiplied by a benefits and overhead factor of
two.
Table 19--HACCP Plan Reassessment Costs
----------------------------------------------------------------------------------------------------------------
Cost (million $)
Establishment volume category Number of --------------------------------------------------------
establishments Low Mid High
----------------------------------------------------------------------------------------------------------------
High................................ 333 0.31 0.61 0.92
Medium.............................. 279 0.26 0.52 0.77
Low................................. 193 0.09 0.18 0.27
Very Low............................ 91 0.04 0.08 0.13
---------------------------------------------------------------------------
Total........................... ................. 0.70 1.39 2.09
Annualized \1\.................. ................. 0.09 0.18 0.26
----------------------------------------------------------------------------------------------------------------
\1\ Costs are annualized at a 7 percent discount rate over 10 years.
[[Page 64729]]
Note: Number of establishments is not additive as some establishments produce multiple products. Numbers in
table may not sum to totals due to rounding.
Validation of HACCP Plans
If an establishment makes changes to their HACCP plan, they would
also have to validate it, incurring associated costs. However, the
Agency assumed few establishments would make changes to their MMPs and
only those that make changes would need to validate their HACCP plans.
Additionally, the Agency assumed that many establishments have already
implemented Salmonella controls in response to the 2016 FSIS
performance standards and will not need to make changes to their HACCP
plan. The 2015 ``Costs of Food Safety Interventions'' report indicates
that high- and medium-volume establishments would need an average of
320 labor hours, while low- or very low-volume establishments would
need an average of 400 hours to validate a HACCP plan. The estimated
cost for HACCP plan validation is $25,894 for a high or medium-volume
establishment, on average, and for a low- or very low-volume
establishment it is $32,368. FSIS used the 2021 hourly wage for a food
scientist of $80.92, which includes an average hourly wage of $40.46
multiplied by a benefits and overhead factor of two, for this
estimate.\210\ FSIS did not include a total industry HACCP validation
cost because FSIS does not have data on the number of establishments
that will make changes to their plans in response to this proposal.
FSIS is requesting comments to address this data gap.
---------------------------------------------------------------------------
\210\ BLS, May 2021 National Industry-Specific Occupational
Employment and Wage Estimates for 19-1012 Food Scientists and
Technologists, accessed April 13, 2023, https://www.bls.gov/oes/2021/may/oes191012.htm.
---------------------------------------------------------------------------
Costs Associated With the Proposed Determination
Maintaining Control of Sampled Product Costs
FSIS is proposing that chicken carcasses, chicken parts, comminuted
chicken, and comminuted turkey with Salmonella levels at or above 10
cfu/mL(g) and one of the Salmonella serotypes of public health
significance intended for consumption as final products would be
adulterated. As proposed, FSIS inspected establishments would be
required to maintain control of product sampled as part of FSIS
verification sampling for adulterants. Any chicken carcass, parts,
comminuted chicken, or comminuted turkey final products testing
positive for Salmonella levels at 10 cfu/mL(g) or higher would not be
allowed to enter commerce until the Salmonella serotype result is
reported and no serotypes of public health significance are detected.
If this proposal is finalized, establishments would be required to
prevent product sampled as part of FSIS verification sampling from
entering commerce until a negative test result or one above the 10 cfu/
mL(g) level but not containing a serotype of public health significance
is received. FSIS does not require establishments to hold product at
their physical location; thus, product can be stored off-site at an
establishment's storage facility, or another private or public storage
facility, pending test results. Product subject to FSIS verification
sampling can also be diverted and processed into a product that is not
subject to these final product standards (i.e., fully cooked products)
instead of being sent to cold storage.
FSIS anticipates that the Agency would provide establishments with
final adulteration results five days after the sample is
collected.\211\ Results on a product's level of Salmonella would
require industry to hold sampled lots for two days and results on the
presence of a serotype of public health significance would take an
additional three days. The Agency assumed that establishments would
maintain control of product until final adulteration results are
available. Establishments would be able to move product with test
results at levels below 10 cfu/mL(g) into commerce, which would
necessitate product to be under establishment's control for up to two
days. The Agency assumed that establishments would decide to divert
adulterated product after results on its adulteration status are
available. This cost is described in the Lost value to the industry
costs section.
---------------------------------------------------------------------------
\211\ While the Agency currently uses whole genome sequencing to
determine the presence of Salmonella serotypes on product sampled by
FSIS, the Agency would adopt an alternative approach that would lead
to results on the presence of Salmonella serotypes in one to three
days after screening.
---------------------------------------------------------------------------
To estimate the industry cost for holding product pending test
results, FSIS used 2021 data from PHIS. FSIS assumed that
establishments subject to these final product standards would maintain
control of each sampled lot pending FSIS verification sampling results.
Regulated establishments define their production lots according to
their specific conditions and FSIS allows establishments to adjust
their lot sizes if they provide scientific justification for defining
lots.\212\ Thus, FSIS used Agency data to approximate the amount of
product subject to verification sampling. For chicken carcasses, the
estimated lot size is 46,000 birds for high- and medium-volume
establishments and 1,800 birds for low- and very low-volume
establishments.\213\ For establishments producing chicken parts,
comminuted chicken, and comminuted turkey, the estimated lot sizes are
(1) one hour, (2) one shift, and (3) one day of production. These
estimated lot sizes, respectively, represent the low, medium, and high
scenarios used for estimating the cost of maintaining control of
product pending test results for chicken parts, comminuted chicken, and
comminuted turkey in this analysis. FSIS is seeking comment on these
assumptions.
---------------------------------------------------------------------------
\212\ 77 FR 73401.
\213\ Establishments that slaughter less than 1 million birds
per year had flock sizes ranging from 100 to 3,500 birds. FSIS used
the average, or 1,800 birds, to approximate the total sampled
production at these establishments.
---------------------------------------------------------------------------
Since FSIS is proposing to sample these products at the same rate
as the current performance standards, the Agency used the number of
samples collected in 2021 at establishments that would be subject to
this proposal and the estimated lot sizes to approximate the volume of
product that would be subject to the Agency's verification sampling
program.\214\
---------------------------------------------------------------------------
\214\ FSIS collects up to five continuous samples per month at
establishments producing young chicken and turkey carcasses, and raw
chicken parts, comminuted chicken and turkey products. USDA, FSIS,
``Salmonella Verification Testing Program Monthly Posting,'' April
20, 2023, https://www.fsis.usda.gov/science-data/data-sets-
visualizations/microbiology/Salmonella-verification-testing-program-
monthly.
---------------------------------------------------------------------------
FSIS used the per pound cost of cold storage as estimated in the
2015 ``Costs of Food Safety Investments'' report to monetize the cost
to industry from holding product due to this proposal.\215\
[[Page 64730]]
FSIS updated this estimate to 2021 dollars by applying the growth in
the ``Moving, storage, freight expense'' consumer price index.\216\ The
resulting cost of cold storage estimate, on a per pound, per day basis
is $0.0023 in 2021 dollars. Establishments may already store product in
their facilities or in an off-site location for a certain amount of
time. However, the Agency assumed that all costs of storing product for
the sampled lots are due to this proposal. FSIS is seeking comments on
cold storage costs and availability at inspected establishments or off-
site facilities.
---------------------------------------------------------------------------
\215\ For cold storage, the report assumes that the cost of
creating and maintaining onsite storage would be equivalent to
third-party, offsite cold storage. The establishment needs to ensure
that the offsite cold storage facility is certified for food-grade
products by USDA. Incoming product will already be cooled, so the
storage facility would only need to maintain the product
temperature. FSIS assumed product would be refrigerated. RTI Costs
of Food Safety Investments. September 2015. Contract No. AG-3A94-B-
13-0003 Order No. AG-3A94-K-14-0056. Revised Final Report. Prepared
by Catherine L. Viator, Mary K. Muth, Jenna E. Brophy. RTI
International. RTI Project Number 0214016.003.000.001. The full
report is available here: https://www.fsis.usda.gov/sites/default/files/media_file/documents/Costs_of_Food_Safety_Investments_FSIS-2022-0013.pdf.
\216\ Bureau of Labor Statistics (BLS), Consumer Price Index
(CPI), ``Moving, storage, freight expense in U.S. city average, all
urban consumers, not seasonally adjusted,'' (Series ID
CUUR0000SEHP03), accessed February 14, 2023. This CPI grew 37.5
percent from 2015 to 2021.
---------------------------------------------------------------------------
Chicken Carcasses
FSIS estimated that in 2021 establishments subject to the
performance standards produced 33.2 billion pounds of chicken
carcasses. \217\ The Agency estimated that about 11 percent of chicken
carcasses are consumed as whole birds and, thus, final products subject
to the proposal.\218\ To account for uncertainty in this estimate, the
Agency used 6, 11, and 16 percent as the low, medium, and high
estimates of the volume of chicken carcasses subject to the proposal.
FSIS estimated that in 2021 a total of 162.9 million pounds, ranging
from 88.9 to 237.0 million, would have been sampled as part of these
final product standards (Table 20).\219\ There is likely a tendency
toward overstatement in this estimate of the volume of product subject
to FSIS verification sampling as lot sizes vary by establishments and
lot sizes may be smaller than the sizes FSIS assumed for this analysis.
---------------------------------------------------------------------------
\217\ (8.3 billion birds x 4 pounds). Dressed weights for
chickens vary. For broilers, which is the main class of poultry
slaughtered at FSIS inspected establishments, the 2023 chicken Risk
Assessment used an average carcass weight was 4 pounds.
\218\ USDA, FSIS, ``Quantitative Microbiological Risk Assessment
for Salmonella in Raw Chicken and Raw Chicken Products,'' January
2023 at: https://www.regulations.gov/docket/FSIS-2023-0028.
Estimates from the National Chicken Council indicate that about
9 percent of broilers, the main chicken subclass produced in the
United States, were marketed as whole birds in 2021. National
Chicken Council (NCC), ``How Broilers are Marketed,'' accessed May
11, 2023, https://www.nationalchickencouncil.org/statistic/how-broilers-are-marketed/.
\219\ This is the sum of the estimated sampled volume for all
establishment categories. For each category, this volume is
calculated as: number of establishments x average number of samples
x lot size converted to pounds x estimated share of production
intended as final product. For example, the medium estimate for
high-volume establishments is 142 x 55 x (46,000 x 4) x 0.10.
Calculations might not sum to totals due to rounding.
Table 20--Chicken Carcasses: Estimated Sampled Volume by Establishment Volume Category
[2021]
----------------------------------------------------------------------------------------------------------------
Estimated sampled volume (million pounds)
Establishment volume category Number of --------------------------------------------------------
establishments Low Medium High
----------------------------------------------------------------------------------------------------------------
High................................ 142 86.8 159.1 231.4
Medium.............................. 9 1.8 3.4 4.9
Low................................. 4 0.04 0.1 0.1
Very Low............................ 33 0.2 0.4 0.6
---------------------------------------------------------------------------
Total........................... 188 88.9 162.9 237.0
----------------------------------------------------------------------------------------------------------------
Note: Numbers in table may not sum to totals due to rounding.
This analysis assumed establishments would maintain control of
sampled product until results on the level of Salmonella are available,
which is expected to take two days. FSIS assumes establishments would
move into commerce product with test results below 10 cfu/mL(g) and
would hold product at or above that level for an additional three days.
FSIS estimated that 654,123 pounds of chicken carcasses would have test
results at or above 10 cfu/mL, which would be held until results on the
presence of a serotype of public health significance were available.
FSIS estimated the total cost to industry of holding all sampled
chicken carcasses pending test results at $0.75 million annually
[(162.9 million x $0.0023 x 2) + (654,123 x $0.0023 x 3)], ranging from
$0.41 to $1.09 million (Table 21). Assuming the proposed implementation
schedule and annualizing over 10 years at a 7 percent discount rate,
the cost for holding chicken carcasses pending test results is $0.75
million, ranging from $0.41 million to $1.09 million.
Table 21--Chicken Carcasses: Maintaining Control of Sampled Product Costs
----------------------------------------------------------------------------------------------------------------
Estimated cost (million $)
Category --------------------------------------------------------
Low Medium High
----------------------------------------------------------------------------------------------------------------
High................................................... 0.40 0.73 1.07
Medium................................................. 0.01 0.02 0.02
Low.................................................... 0.0002 0.0003 0.0005
Very low............................................... 0.0011 0.0020 0.0029
--------------------------------------------------------
Total.............................................. 0.41 0.75 1.09
Annualized \1\..................................... 0.41 0.75 1.09
----------------------------------------------------------------------------------------------------------------
\1\ Costs are annualized at a 7 percent discount rate over 10 years.
Note: Numbers in table may not sum to totals due to rounding.
[[Page 64731]]
Chicken Parts
FSIS estimated that in 2021 establishments subject to the
performance standards processed 31.2 billion pounds of chicken
parts.\220\ Raw chicken parts processed at FSIS regulated
establishments can be sent into commerce as final products or further
processed into a variety of preparations, including cooked products
(e.g., fully cooked chicken breasts). As such, FSIS assumed that 80,
85, or 90 percent of the estimated production of chicken parts would be
raw final product subject to this proposal. FSIS is seeking comments on
this assumption. FSIS estimated that 2.6 billion pounds of chicken
parts, ranging from 308 million to 5.5 billion, would have been sampled
as part of these final product standards (Table 22).\221\ There is
likely a tendency toward overstatement in this estimate of the volume
of product subject to FSIS verification sampling as lot sizes vary by
establishments and lot sizes may be smaller than the sizes FSIS assumed
for this analysis.
---------------------------------------------------------------------------
\220\ The 2023 chicken risk assessment estimated that, of the
total chicken slaughtered volume, about 83 percent is consumed as
chicken parts. In 2021, total chicken slaughter volume was an
estimated 37 billion pounds, 31.2 billion of which are estimated to
be processed into chicken parts.
\221\ FSIS calculated these estimates using average daily
production volume and total number of samples in 2021 for each of
the establishments producing chicken parts assuming lot sizes of one
hour, one shift, and one day of production. FSIS multiplied this
result by the share production intended as final product to obtain
the low, medium, and high estimates.
Table 22--Chicken Parts: Estimated Sampled Volume by Establishment Volume Category
[2021]
----------------------------------------------------------------------------------------------------------------
Estimated sampled volume (million pounds)
Category Number of --------------------------------------------------------
establishments Low Medium High
----------------------------------------------------------------------------------------------------------------
High................................ 154 286 2,433 5,153
Medium.............................. 209 21 181 325
Low................................. 127 0 3 5
---------------------------------------------------------------------------
Total........................... 490 308 2,617 5,483
----------------------------------------------------------------------------------------------------------------
Note: Numbers in table may not sum to totals due to rounding.
This analysis assumed establishments would maintain control of
sampled product until results on the level of Salmonella are available,
which is expected to take two days. FSIS assumed establishments would
move product with test results below 10 cfu/mL(g) into commerce and
would hold for an additional three days product with results at or
above that level. FSIS estimated that about 246,949 pounds of chicken
parts would have test results at or above 10 cfu/mL(g), which would be
held until results on the presence of a serotype of public health
significance were available. FSIS estimated the cost to industry of
holding all sampled chicken parts pending test results at $12.0 million
annually [(2.6 billion x $0.0023 x 2) + (246,949 x $0.0023 x 3)],
ranging from $1.4 to $25.1 million (Table 22). Assuming the proposed
implementation schedule and annualizing over 10 years at a 7 percent
discount rate, the cost for holding chicken parts pending test results
is $11.88 million, ranging from $1.4 million to $24.9 million.
Table 23--Chicken Parts: Maintaining Control of Sampled Product Costs
----------------------------------------------------------------------------------------------------------------
Cost (million $)
Category --------------------------------------------------------
Low Medium High
----------------------------------------------------------------------------------------------------------------
High................................................... 1.31 11.15 23.62
Medium................................................. 0.10 0.83 1.49
Low.................................................... 0.00 0.02 0.02
--------------------------------------------------------
Total.............................................. 1.41 12.00 25.13
Annualized \1\..................................... 1.40 11.88 24.93
----------------------------------------------------------------------------------------------------------------
\1\ Costs are annualized at a 7 percent discount rate over 10 years.
Note: Numbers in table may not sum to totals due to rounding.
Comminuted Chicken
FSIS estimated that in 2021 establishments subject to the
performance standards processed 2.3 billion pounds of comminuted
chicken. Raw comminuted chicken processed at FSIS regulated
establishments can be sent into commerce as final products or further
processed into a variety of preparations, including cooked products
(e.g., fully cooked chicken nuggets). As such, FSIS assumed that 80,
85, or 90 percent of the estimated production of comminuted chicken
would be raw final product subject to this proposal. FSIS is seeking
comments on this assumption. FSIS estimated that 264.19 million pounds,
ranging from 26.1 to 427.65 million pounds of comminuted chicken, would
have been sampled as part of these final product standards (Table
24).\222\ There is likely a tendency toward overstatement in this
estimate of the volume of product subject to FSIS verification sampling
as lot sizes vary by establishments and lot sizes may be smaller than
the sizes FSIS assumed for this analysis.
---------------------------------------------------------------------------
\222\ FSIS calculated these estimates using average daily
production volume and total production days in 2021 for each of the
establishments producing comminuted chicken and multiplying by the
share production intended as final product.
[[Page 64732]]
Table 24--Comminuted Chicken: Estimated Sampled Volume by Establishment Volume Category
[2021]
----------------------------------------------------------------------------------------------------------------
Estimated sampled volume (million pounds)
Category Number of --------------------------------------------------------
establishments Low Medium High
----------------------------------------------------------------------------------------------------------------
High................................ 0 0 0 0
Medium.............................. 35 25.12 254.59 415.22
Low................................. 39 1.02 9.59 12.43
---------------------------------------------------------------------------
Total........................... 74 26.14 264.19 427.65
----------------------------------------------------------------------------------------------------------------
Note: Numbers in table may not sum to totals due to rounding.
This analysis assumed establishments would maintain control of this
product until results on the level of Salmonella are available, which
is expected to take two days. FSIS assumed establishments would move
product with test results below 10 cfu/mL(g) into commerce and would
hold for an additional three days products with results at or above
that level. FSIS estimated that about 5.0 million pounds of comminuted
chicken would have test results at or above 10 cfu/mL(g), which would
be held until results on the presence of a serotype of public health
significance were available. FSIS estimated the cost to industry of
holding all sampled comminuted chicken pending test results at $1.3
million annually (264.2 million x $0.0023 x 2) + (5.0 million x $0.0023
x 3)], ranging from $0.2 to $2.0 million (Table 25). Assuming the
proposed implementation schedule and annualizing over 10 years at a 7
percent discount rate, the cost for holding comminuted chicken products
pending test results is $1.1 million, ranging from $0.1 million to $1.7
million.
Table 25--Comminuted Chicken: Maintaining Control of Sampled Product Costs
----------------------------------------------------------------------------------------------------------------
Cost (million $)
Category --------------------------------------------------------
Low Medium High
----------------------------------------------------------------------------------------------------------------
High................................................... 0 0 0
Medium................................................. 0.15 1.20 1.94
Low.................................................... 0.006 0.04 0.06
--------------------------------------------------------
Total.............................................. 0.15 1.25 1.99
Annualized \1\..................................... 0.13 1.07 1.72
----------------------------------------------------------------------------------------------------------------
\1\ Costs are annualized at a 7 percent discount rate over 10 years.
Note: Numbers in table may not sum to totals due to rounding.
Comminuted Turkey
FSIS estimated that in 2021 establishments subject to the
performance standards processed 1.7 billion pounds of comminuted
turkey. Raw comminuted turkey processed at FSIS regulated
establishments can be sent into commerce as final products or further
processed into preparations including cooked products (e.g., fully
cooked sausages). As such, FSIS assumed that 80, 85, or 90 percent of
the estimated production of comminuted turkey would be raw final
product subject to this proposal. FSIS is seeking comments on this
assumption. FSIS estimates that 156.7 million pounds, ranging from 18.4
to 330.4 million, would have been sampled as part of these final
product standards (Table 26).\223\ There is likely a tendency toward
overstatement in this estimate of the volume of product subject to FSIS
verification sampling as lot sizes vary by establishments and lot sizes
may be smaller than the sizes FSIS assumed for this analysis.
---------------------------------------------------------------------------
\223\ FSIS calculated these estimates using average daily
production volume and total production days in 2021 for each of the
establishments producing comminuted turkey and multiplying by the
share production intended as final product.
Table 26--Comminuted Turkey: Estimated Sampled Volume by Establishment Volume Category
[2021]
----------------------------------------------------------------------------------------------------------------
Estimated sampled volume (million pounds)
Category Number of --------------------------------------------------------
establishments Low Medium High
----------------------------------------------------------------------------------------------------------------
High................................ 5 11.49 97.71 206.91
Medium.............................. 25 6.90 58.63 122.86
Low................................. 18 0.04 0.36 0.65
---------------------------------------------------------------------------
Total........................... 48 18.43 156.69 330.42
----------------------------------------------------------------------------------------------------------------
Note: Numbers in table may not sum to totals due to rounding.
[[Page 64733]]
This analysis assumed establishments would maintain control of this
product until results on the level of Salmonella are available, which
is expected to take two days. FSIS assumed establishments would move
product with test results below 10 cfu/mL(g) into commerce and would
hold for an additional three days product with results at or above that
level. FSIS estimated that about 2.3 million pounds of comminuted
turkey would have test results at or above 10 cfu/mL, which would be
held until results on the presence of a serotype of public health
significance were available. FSIS estimated the cost to industry of
holding all sampled comminuted turkey pending test results at $0.7
million annually [(156.7 million x $0.0023 x 2) + (2.3 million x
$0.0023 x 3)], ranging from $0.1 to $1.5 million (Table 27). Assuming
the proposed implementation schedule and annualizing over 10 years at a
7 percent discount rate, the cost for holding comminuted turkey
products pending test results is $0.70 million, ranging from $0.09
million to $1.45 million.
Table 27--Comminuted Turkey: Maintaining Control of Sampled Product Costs
----------------------------------------------------------------------------------------------------------------
Cost (million $)
Category --------------------------------------------------------
Low Medium High
----------------------------------------------------------------------------------------------------------------
High................................................... 0.06 0.45 0.96
Medium................................................. 0.04 0.28 0.57
Low.................................................... 0.0003 0.0017 0.0031
--------------------------------------------------------
Total.............................................. 0.10 0.73 1.53
Annualized \1\..................................... 0.09 0.70 1.45
----------------------------------------------------------------------------------------------------------------
\1\ Costs are annualized at a 7 percent discount rate over 10 years.
Note: Numbers in table may not sum to totals due to rounding.
Import Establishments Costs
FSIS conducts sampling activities at official import inspection
establishments to verify that a foreign country's poultry inspection
system is equivalent to the U.S. poultry inspection system. If this
rule is finalized, FSIS would adapt its current Salmonella sampling
program for imported chicken carcasses, chicken parts, comminuted
chicken, and comminuted turkey. Import establishments would be required
to maintain control of sampled product pending test results to verify
that these products are not adulterated. Similar to domestic producers,
FSIS assumed that official import inspection establishments would
maintain control of sampled imported product lots for two days until
results on the level of Salmonella are available. Sampled product with
results below 10 CFU/mL(g) could be moved into commerce. If test
results show Salmonella at or above 10 CFU/mL(g), FSIS assumed
establishments would maintain control of these product lots for an
additional one to three days, until the presence or absence of a
serotype of public health significance is confirmed. Adulterated
product would be diverted from U.S. commerce.
FSIS estimates the cost to import establishments for maintaining
control of imported product subject to FSIS verification sampling for
Salmonella, as described in this proposal, would be minimal. Poultry
imports represent a small fraction of the U.S. domestic poultry supply,
accounting for less than 0.5 percent in 2021.\224\ In that year, only
three countries exported raw chicken and turkey products to the United
States: Canada, Chile, and Mexico.\225\ Canada was the sole exporter of
whole chicken carcasses, accounting for about 14 million pounds of
chicken. Chile, in turn, was the main exporter of chicken parts (132
million pounds).\226\
---------------------------------------------------------------------------
\224\ USDA, Foreign Agricultural Service, ``Production, Supply
and Distribution database,'' accessed May 11, 2023. Although U.S.
import data does not directly correspond with the final product
categories in this proposal, FSIS used available trade data to
identify Harmonized Tariff Schedule (HTS) codes that would
approximate imports of chicken carcasses, chicken parts, comminuted
chicken, and comminuted turkey. FSIS estimates that imports of
chicken carcasses to the United States reached 13.7 million pounds
in 2021 (HTS 0207.11 and 0207.12, Whole young chickens and Whole
frozen chickens, respectively), while imports of chicken parts and
comminuted chicken were 164 million pounds (HTS 0207.13 and 0207.14,
Meat and edible offal of chickens, fresh or chilled and frozen,
respectively). FSIS assumed that imports under HTS 0207.26 and
0207.27 (Meat and edible offal of turkeys, fresh or chilled and
frozen, respectively) approximate imports of comminuted turkey,
although this is likely an overestimate as this HTS code also
includes turkey parts. Imports under HTS 0207.26 and 0207.27,
combined, reached 74.3 million pounds in 2022. Imports under these
HTS codes represent 0.5 percent of U.S. production of chicken
carcasses, 0.04 percent of U.S. production of chicken parts and
comminuted chicken, and 4 percent of imports of comminuted turkey.
U.S. International Trade Commission DataWeb/U.S. Department of
Commerce, accessed June 28, 2023.
\225\ Three countries are eligible to export raw chicken and
turkey products to the United States--Canada, Chile, and Poland,--
while Mexico is eligible to export only processed poultry products
slaughtered under Federal inspection in the United States or in a
country eligible to export slaughtered poultry to the United States.
USDA, FSIS, ``Eligible Foreign Establishments,'' July 14, 2023,
https://www.fsis.usda.gov/inspection/import-export/import-export-library/eligible-foreign-establishments.
\226\ U.S. International Trade Commission DataWeb/U.S.
Department of Commerce accessed June 28, 2023.
---------------------------------------------------------------------------
Currently, FSIS samples and tests imported chicken carcasses,
chicken parts, comminuted chicken, and comminuted turkey for the
presence of Salmonella. According to data from PHIS, in 2021, FSIS
collected and analyzed about 850 samples of imported chicken and turkey
products, which represented about 15.8 million pounds of product. These
samples were mainly from chicken parts and carcasses, as imports of
comminuted chicken and turkey are relatively low.
FSIS estimated the cost for these import establishments assuming
that establishments would maintain control pending test results of all
sampled product identified in 2021 data, which is likely an
overestimate. The estimated cost for import establishments is $0.07
million per year (15.8 million pounds x 2 days x $0.0023). While data
on the volume imported of product with results at or above 10 cfu/mL(g)
are not available, FSIS estimates this would be a relatively low volume
of product. In 2021, about 17 percent of imported poultry samples were
positive for the presence of Salmonella, representing about 2.6 million
pounds of product. This is likely a high estimate as countries would be
required to implement measures to maintain equivalence with the U.S.
poultry inspection system if this rule is finalized.
[[Page 64734]]
Total Costs to Industry From Maintaining Control of Sampled Product
FSIS estimated that the total cost to industry from complying with
FSIS verification sampling requirements in this proposal is $14.47
million annually, ranging from $2.11 to $29.26 million (Table 28),
assuming the proposed implementation schedule and annualizing over 10
years at a 7 percent discount rate. As previously described,
establishments are required to maintain control pending test results
for product subject to FSIS verification sampling for adulterants. FSIS
estimated that an average of 3.2 billion pounds of product per year
would be subject to FSIS verification sampling. FSIS allows
establishments to move product to an alternate location pending test
results for an adulterant as long as they maintain control of the
sampled product. Producers can also elect to divert sampled product
into a product that is not subject to these standards (i.e., fully
cooked products), rather than maintaining control of it pending test
results. Moreover, FSIS allows establishments to produce smaller
representative product lots for FSIS verification sampling if they
demonstrate that the lot presented is microbiologically independent
from other production lots.\227\ Thus, the cost for holding product
pending test results is likely an overestimate. FSIS is seeking
comments on these assumptions.
---------------------------------------------------------------------------
\227\ 77 FR 73402.
Table 28--Summary of Costs to Industry From Maintaining Control of Sampled Product
----------------------------------------------------------------------------------------------------------------
Number of Cost (million $) \2\
Product establishments --------------------------------------------------------
\1\ Low Medium High
----------------------------------------------------------------------------------------------------------------
Chicken carcasses................... 188 0.41 0.75 1.09
Chicken parts....................... 490 1.40 11.88 24.93
Comminuted chicken.................. 74 0.13 1.07 1.72
Subtotal for chicken products... 752 1.94 13.71 27.74
Comminuted turkey................... 48 0.09 0.69 1.45
Import establishments............... 12 0.07 0.07 0.07
---------------------------------------------------------------------------
Total........................... ................. 2.11 14.47 29.26
----------------------------------------------------------------------------------------------------------------
\1\ Establishments may produce more than one of the products subject to these final product standards.
\2\ Costs are annualized at a 7 percent discount rate over 10 years.
Note: Numbers in table may not sum to totals due to rounding.
Lost Value to the Industry Costs
FSIS estimated the cost to industry from lost value resulting from
diverting adulterated product subject to these final product standards.
FSIS assumed that establishments would divert product after receiving
final results showing a level of Salmonella at or above 10 cfu/mL(g)
and the presence of a serotype of public health significance. As
previously mentioned, FSIS laboratories would provide results on the
level of Salmonella to establishments within two days from sample
collection and results on the presence of a serotype of public health
significance three days after initial results.
The 2023 risk assessments estimated that approximately 0.2 million
pounds of chicken carcasses, 0.07 million pounds of chicken parts, 1.6
million pounds of comminuted chicken, and 0.6 million pounds of
comminuted turkey per year would have Salmonella levels at or above 10
cfu/mL(g) and would contain a serotype of public health significance
(Table 29). This represents less than 0.1 percent of estimated
production for each of the product categories.
Table 29--Total Production, Volume Over 10 cfu/mL(g) and Containing a Serotype of Public Health Significance,
and Share of Production by Product
----------------------------------------------------------------------------------------------------------------
Volume over 10
cfu/mL(g) and
containing a
Product Total production serotype of Share of
(million pounds) public health production (%)
significance
(million pounds)
----------------------------------------------------------------------------------------------------------------
Chicken carcasses...................................... 33,238 0.2 0.000005
Chicken parts.......................................... 31,208 0.07 0.000002
Comminuted chicken..................................... 2,256 1.6 0.000691
Comminuted turkey...................................... 1,691 0.6 0.000336
----------------------------------------------------------------------------------------------------------------
Note: Numbers in table may not sum to totals due to rounding.
To estimate the cost to industry of this lost value as a result of
this proposal, FSIS applied the per pound retail price of select
poultry products to the estimated volume of lost product. FSIS used
data from 2017 to 2021 and used a range in these prices to account for
variability and uncertainty: the lowest retail price in the five-year
period as the minimum, the highest as the maximum, and the five-year
average as the medium estimate. For chicken carcasses, FSIS used the
retail price for whole fresh chicken while for chicken parts the Agency
used the retail price for chicken breasts (Table 30). Because data for
the five-year period for comminuted or ground chicken were not readily
available, FSIS used the retail price for chicken legs as a proxy. For
comminuted turkey, FSIS used data for whole frozen turkeys as data for
the five-year period for comminuted or ground turkey were not
available.
[[Page 64735]]
Table 30--Retail Prices for Select Commodities
----------------------------------------------------------------------------------------------------------------
Price per pound ($)
Product Price source --------------------------------------------------------
Low Medium High
----------------------------------------------------------------------------------------------------------------
Chicken carcasses................ Whole fresh chicken 1.36 1.51 1.75
\a\.
Chicken parts.................... Chicken breasts \b\. 2.90 3.19 3.72
Comminuted chicken............... Chicken legs \c\.... 1.32 1.50 1.73
Comminuted turkey................ Whole frozen turkey 0.80 0.99 1.23
\d\.
----------------------------------------------------------------------------------------------------------------
\a\ U.S. Bureau of Labor Statistics (BLS), Chicken, fresh, whole, per lb. (453.6 gm) in U.S. city average,
average price, not seasonally adjusted [APU0000706111], , accessed July 6, 2023, https://data.bls.gov/timeseries/APU0000706111?amp%253bdata_tool=XGtable&output_view=data&include_graphs=true.
\b\ BLS, Chicken breast, boneless, per lb. (453.6 gm) [APU0000FF1101], accessed July 6, 2023; https://data.bls.gov/timeseries/APU0000FF1101?amp%253bdata_tool=XGtable&output_view=data&include_graphs=true.
\c\ BLS, Chicken legs, bone-in, per lb. (453.6 gm) in U.S. city average, average price, not seasonally adjusted
[APU0000706212], accessed July 6, 2023, https://data.bls.gov/timeseries/APU0000706212?amp%253bdata_tool=XGtable&output_view=data&include_graphs=true.
\d\ USDA, Economic Research Service, Turkey Sector: Background & Statistics: Price Statistics, April 18, 2023,
https://www.ers.usda.gov/newsroom/trending-topics/turkey-sector-background-statistics.
Previous FSIS analyses assumed that diverted product would lose 66
percent of its value.\228\ As product under these final product
standards are raw materials that can be diverted to a variety of fully
cooked preparations, the Agency used a range to estimate the cost of
lost value to the industry. Specifically, FSIS used 34, 50, and 66
percent as the low, medium, and high estimates. FSIS estimated that the
cost to industry from diverting product is $1.7 million annually, with
a range of $1.0 to $2.6 million (Table 31). Assuming the proposed
implementation schedule and annualizing over 10 years at a 7 percent
discount rate, the cost for lost value of products subject to this
proposal is $1.5 million, ranging from $0.9 million to $2.4 million.
---------------------------------------------------------------------------
\228\ USDA, FSIS, ``Cost-Benefit Analysis for FSIS's
Implementation of Its Non-O157 STEC Testing on Beef Manufacturing
Trimmings and Expansion of Its Testing to Ground Beef and Ground
Beef Components Other Than Beef Manufacturing Trimmings,'' June
2020, https://www.fsis.usda.gov/sites/default/files/media_file/2020-07/FSIS-Non-0157-STEC-Testing-CBA-June-2020.pdf; USDA, FSIS,
``Salmonella in Certain Not-Ready-To-Eat Breaded Stuffed Chicken
Products,'' Preliminary Cost-Benefit Analysis, April 2023, https://www.fsis.usda.gov/sites/default/files/media_file/documents/NRTE_Stuffed_Chicken_CBA_FSIS-2022-0013.pdf.
Table 31--Lost Value to the Industry Costs, Million $
----------------------------------------------------------------------------------------------------------------
Product Low Medium High
----------------------------------------------------------------------------------------------------------------
Chicken carcasses...................................... 0.1 0.1 0.2
Chicken parts.......................................... 0.1 0.1 0.2
Comminuted chicken..................................... 0.7 1.2 1.8
Comminuted turkey...................................... 0.2 0.3 0.5
--------------------------------------------------------
Total.............................................. 1.0 1.7 2.6
Annualized \1\..................................... 0.9 1.5 2.4
----------------------------------------------------------------------------------------------------------------
\1\ Costs are annualized at a 7 percent discount rate over 10 years.
Note: Numbers in table may not sum to totals due to rounding.
Microbiological Sampling Plan Reassessment Costs
Establishments subject to these proposed final product standards
may incur costs associated with reassessing their sampling plans.
Current performance standards focus on the presence or absence of
Salmonella in certain poultry products. However, the proposed standards
would make product adulterated if it contains Salmonella at or above 10
cfu/mL(g) and has at least one of the serotypes of public health
significance. To estimate a cost associated with this requirement, FSIS
assumed a portion of establishments would reassess their
microbiological sampling plans. Consistent with the estimates in the
previous cost-benefit analysis for the 2016 performance standards, FSIS
estimated the cost of reassessing a sampling plan for 30, 40, and 50
percent of the establishments subject to this proposal.\229\ FSIS
included all volume categories in these estimates. However, as
previously noted in the cost-benefit analysis for the 2016 performance
standards, FSIS does not expect low and VLV establishments to have an
internal sampling plan.\230\ FSIS assumed that these establishments
would opt to not incur the expense of developing a sampling plan as
sampling does not directly contribute to pathogen reduction. The Agency
is seeking comments on this assumption.
---------------------------------------------------------------------------
\229\ USDA, FSIS, Chicken Parts and Not Ready-To-Eat Comminuted
Poultry Performance Standards, Final Cost-Benefit Analysis, February
11, 2016, https://www.fsis.usda.gov/sites/default/files/media_file/documents/FRN-related-CBA-Salmonella-Campy-2014-0023-022016.pdf.
\230\ USDA, FSIS, Chicken Parts and Not Ready-To-Eat Comminuted
Poultry Performance Standards, Final Cost-Benefit Analysis, February
11, 2016, https://www.fsis.usda.gov/sites/default/files/media_file/documents/FRN-related-CBA-Salmonella-Campy-2014-0023-022016.pdf.
---------------------------------------------------------------------------
FSIS estimated that the total cost to industry from reassessing
their sampling plans is $0.3 million, ranging from $0.1 to $0.6 million
(Table 32). Assuming the proposed implementation schedule and
annualizing over 10 years at a 7 percent discount rate, the cost for
microbiological sampling plan reassessment is $0.04 million, ranging
from $0.02 million to $0.08 million. High- and medium-volume
establishments need an average of 40 hours (ranging from 20 to 60),
while low- and very low-volume establishments need an average of 20
hours (ranging from 10 to 30) to reassess a sampling plan, according to
the 2017 Costs of Food Safety Investments in the Meat and Poultry
Slaughter
[[Page 64736]]
Industries.\231\ This publication estimated costs for large and small
establishments. FSIS assumed the large category would correspond with
high- and medium-volume establishments, while the small category would
correspond with low- and very low-volume establishments. FSIS used data
from the U.S. Bureau of Labor Statistics to update the hourly wage for
estimating these labor costs. Specifically, FSIS used the 2021 hourly
wage for a production worker of $30.78, which includes an average
hourly wage of $15.39 multiplied by a benefits and overhead factor of
two.
---------------------------------------------------------------------------
\231\ Viator CL, Muth MK, Brophy JE, Noyes G. Costs of Food
Safety Investments in the Meat and Poultry Slaughter Industries. J
Food Sci. 2017 Feb;82(2):260-269. doi: 10.1111/1750-3841.13597. Epub
2017 Jan 24. PMID: 28117890. FSIS derived the labor hours from the
total costs presented on table 5 and the wage rate for production
occupations on table 2. BLS, May 2021 National Industry-Specific
Occupational Employment and Wage Estimates for 19-1012 Food
Scientists and Technologists, accessed April 13, 2023, https://www.bls.gov/oes/current/oes191012.htm.
Table 32--Microbiological Sampling Plan Reassessment Costs
----------------------------------------------------------------------------------------------------------------
Cost (thousand $)
Establishment volume category Number of --------------------------------------------------------
establishments Low Medium High
----------------------------------------------------------------------------------------------------------------
High................................ 302 0.06 0.15 0.28
Medium.............................. 276 0.05 0.14 0.25
Low................................. 190 0.02 0.05 0.08
Very Low............................ 91 0.003 0.007 0.014
---------------------------------------------------------------------------
Total........................... ................. 0.13 0.34 0.63
Annualized \1\.................. ................. 0.02 0.04 0.08
----------------------------------------------------------------------------------------------------------------
\1\ Costs are annualized at a 7 percent discount rate over 10 years.
Note: Numbers in table may not sum to totals due to rounding.
Validation of Microbiological Sampling Plans
If an establishment makes changes to their microbiological sampling
plans in response to this proposal, they would incur costs associated
with validating these changes. The 2015 ``Costs of Food Safety
Interventions'' report indicates that high- and medium-volume
establishments would need an average of 960 labor hours for validation
of a microbiological sampling plan and 1,200 labor hours for low- and
very low-volume establishments. On a per plan basis, the cost for
validation of a microbiological sampling plan for a high- or medium-
volume establishment is $77,683, on average, while for low- or very
low-volume establishments, the average cost is $97,104. FSIS used the
2021 hourly wage for a food scientist of $80.92, which includes an
average hourly wage of $40.46 multiplied by a benefits and overhead
factor of 2.\232\ FSIS did not include an estimate of total industry
validation costs for microbiological sampling plans because FSIS does
not have data on the number of establishments that would make changes
to their plans in response to this proposal. FSIS is requesting
comments to address this data gap.
---------------------------------------------------------------------------
\232\ Viator CL, Muth MK, Brophy JE, Noyes G. Costs of Food
Safety Investments in the Meat and Poultry Slaughter Industries. J
Food Sci. 2017 Feb;82(2):260-269. doi: 10.1111/1750-3841.13597. Epub
2017 Jan 24. PMID: 28117890. FSIS derived the labor hours from the
total costs presented on table 5 and the wage rate for production
occupations on table 2. BLS, May 2021 National Industry-Specific
Occupational Employment and Wage Estimates for 19-1012 Food
Scientists and Technologists, accessed April 13, 2023, https://www.bls.gov/oes/current/oes191012.htm.
---------------------------------------------------------------------------
Corrective Actions
FSIS would require establishments that do not meet the final
product standards to take corrective actions. These corrective actions
would be aimed at removing adulterated product from market and making
changes to prevent production of adulterated product in the future.
Interventions available to the poultry industry include antimicrobial
agents, new equipment, and employee practices. FSIS does not have
information on the types or frequency of corrective actions
establishments may take in response to not meeting the final products
standards, and the Agency is seeking comments on the potential costs
associated with these.
Summary of Costs to Industry From This Proposed Rule and Proposed
Determination
FSIS estimated the main cost to industry to comply with this
proposal is $16.4 million annually, with a range of $3.3 to $32.3
million (Table 33), assuming the proposed implementation schedule and
annualizing over 10 years at a 7 percent discount rate. The principal
component of this cost is the requirement that establishments must
maintain control of product subject to FSIS verification sampling for
adulterants pending test results. The cost estimate associated with
this requirement is likely an overestimate as it is possible that
establishments' current practices and procedures would allow them to
maintain control of a lower volume of product. Additionally, all
timeframes and methods for Salmonella testing are likely to change as
FSIS continuously incorporates new laboratory technologies into its
sampling verification program. FSIS is seeking comment on these
estimates. FSIS estimated that the total costs to establishments from
reassessing HACCP and microbiological sampling plans, combined, is
$0.22 million ($0.18 + $0.04 million). The estimated cost associated
with the proposed statistical process control requirements is $0.04
million, which is likely an overestimate as certain establishments
would be able to mitigate the cost by using laboratory services
provided by FSIS, as previously described. To varying degrees, industry
may also incur other costs associated with their individual responses
to this proposal. The Agency estimated that this total cost represents
less than 1 percent of the total industry's revenue in 2021. In 2021,
the estimated total sales value for broilers and turkeys, on a live
basis, was $37.4 billion, with a five-year average between 2017 and
2021 of $33.5 billion.\233\ This value increased to $57.5 billion in
2022. For the poultry processing industry, the
[[Page 64737]]
total 2021 revenue was $77 billion, according to U.S. Census data.\234\
---------------------------------------------------------------------------
\233\ USDA, ERS, ``Poultry Sector at a Glance'' June 1, 2023,
https://www.ers.usda.gov/topics/animal-products/poultry-eggs/sector-at-a-glance/; USDA, National Agricultural Statistics Service,
``Poultry--Production and Value: 2022 Summary,'' April 2023, https://downloads.usda.library.cornell.edu/usda-esmis/files/m039k491c/wm119387d/5138kw352/plva0423.pdf.
\234\ Sales, value of shipments, or revenue for the Poultry
processing industry, as defined in the North American Industry
Classification System code 311615. U.S. Census Bureau, Annual Survey
of Manufacturers: Summary Statistics for Industry Groups and
Industries in the U.S.: 2018-2021 (NAICS 311615), accessed on April
11, 2023.
Table 33--Summary of Industry Costs
----------------------------------------------------------------------------------------------------------------
Cost (million $)
Cost descriptions -----------------------------------------------
Low Medium High
----------------------------------------------------------------------------------------------------------------
Costs associated with the proposed rule:
Statistical process control................................. 0.04 0.04 0.04
Electronic data submission.................................. 0.18 0.18 0.18
HACCP plan reassessment..................................... 0.09 0.18 0.26
Costs associated with the proposed determination:
Maintaining control of sampled product...................... 2.11 14.47 29.26
Lost value to the industry.................................. 0.87 1.52 2.43
Microbiological sampling plan reassessment.................. 0.02 0.04 0.08
-----------------------------------------------
Total \1\............................................... 3.31 16.43 32.25
----------------------------------------------------------------------------------------------------------------
\1\ Costs are annualized at a 7 percent discount rate over 10 years.
Note: Numbers in table may not sum to totals due to rounding.
FSIS estimates industry would incur annual costs in response to
this rule. Table 34 includes the expected undiscounted annual costs of
this proposal assuming the implementation schedule over a 10-year
period.
Table 34--Summary of Annual Costs Over 10 Years
----------------------------------------------------------------------------------------------------------------
Year Low Medium High
----------------------------------------------------------------------------------------------------------------
1...................................................... 2,342,792 13,490,291 27,612,367
2...................................................... 3,330,215 16,984,639 33,483,179
3...................................................... 3,250,382 16,788,952 33,160,044
4...................................................... 3,099,498 16,471,425 32,667,872
5...................................................... 3,099,498 16,469,009 32,667,872
6...................................................... 3,099,498 16,466,751 32,667,872
7...................................................... 3,099,498 16,464,641 32,667,872
8...................................................... 3,099,498 16,462,668 32,667,872
9...................................................... 3,099,498 16,460,825 32,667,872
10..................................................... 3,099,498 16,459,102 32,667,872
----------------------------------------------------------------------------------------------------------------
Costs to FSIS
FSIS does not anticipate the proposal, including using laboratory
services provided by FSIS for analyzing process control samples for VS
and VLV establishments under Traditional Inspection, as well as
conducting verification sampling for the final product standards, will
increase Agency costs. The Agency would adapt its current sampling for
Salmonella on poultry products to conduct verification sampling for the
new final product standards and would be able to shift existing
resources as necessary to implement this proposal if finalized. FSIS
currently enumerates samples collected as part of FSIS verification
sampling for Salmonella. Consequently, if this proposal is finalized,
the only additional cost to FSIS would be to incorporate serotype
testing on Salmonella positive samples. The Agency estimates analyzing
these tests would require 520 labor hours, or $0.03 million, per year
to analyze results, with additional hours, including data management,
procurement, result review and authorization, as needed.\235\
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\235\ FSIS used the 2024 base salary of a GS-12 step 1 full time
employee of $35.67 per hour and included the Civilian Position Full
Fringe Benefit Cost Factor of 36.25 percent. Executive Office of The
President, Office of Management and Budget, Circular No. A-76
(Revised), May 29, 2003, https://www.whitehouse.gov/wp-content/uploads/legacy_drupal_files/omb/circulars/A76/a76_incl_tech_correction.pdf.
---------------------------------------------------------------------------
Costs related to follow-up sampling and conducting FSAs are not
expected to increase. The Agency would conduct follow up sampling and a
PHRE for any establishments that does not meet the final product
standards. FSIS would use the results of the PHRE to determine the need
for an FSA. FSIS currently conducts follow up sampling and PHREs on
establishments that do not meet the current Salmonella performance
standards. For instance, in 2022, FSIS conducted 30 FSAs at category
three establishments. The Agency estimated that the average cost to
conduct a for-cause FSA in 2016 was about $4,800, which, inflated to
2021 dollars, is about $5,400 per FSA.\236\
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\236\ Based on the FSIS Office of the Chief Financial Officer
(OCFO) preliminary analysis of the average cost per FSA under the
new FSA methodology, FY 2016. The costs were inflated, by using the
2021 BLS Consumer Price Index (CPI) All items in U.S. city average,
all urban consumers, not seasonally adjusted (CUUR0000SA0,
CUUS0000SA0 Not Seasonally Adjusted).
---------------------------------------------------------------------------
Potential Benefits and Avoided Costs From the Proposed Rule and
Proposed Determination
Prevented Salmonella Illnesses
FSIS is proposing to declare Salmonella at or above 10 cfu/mL(g)
and containing a serotype of public health significance an adulterant
on chicken carcasses, chicken parts, comminuted chicken, and comminuted
turkey as final products that would enter commerce. The 2023 risk
assessments provide a range of data on the public health impacts
achieved by reducing
[[Page 64738]]
final product contaminated with Salmonella, as well as the higher risk
per serving associated with product that would be declared adulterated
by the proposal. FSIS used this range of data to estimate the potential
public health benefits of this proposal. FSIS also used findings from
the FSIS risk profile to create these estimates, including information
regarding the higher virulence of certain Salmonella serotypes, as well
as the potential debilitating human health outcomes from Salmonella
infection (e.g., reactive arthritis), which are not included in the
cost of illness estimates.
The 2023 risk assessments estimated the number of illnesses that
could be prevented if product lots with results at or above 10 cfu/
mL(g) of Salmonella are diverted from commerce as part of FSIS
verification sampling programs. For chicken carcasses, the 2023 chicken
risk assessment estimated that 1,000 illnesses could be prevented,
while for chicken parts and comminuted chicken it estimated 200 and
1,000 illnesses, respectively. The 2023 chicken risk assessment
assessed the effect of a carcass final product standard on all chicken
associated illnesses, including those from parts and comminuted product
consumption, but could not assess the effect of carcasses and secondary
products standards sequentially. As such, the 2023 chicken risk
assessment estimates for chicken products are not additive.\237\ For
comminuted turkey, the 2023 turkey risk assessment estimated that 2,100
illnesses could be prevented.\238\ This analysis presents three
illustrative scenarios based on these results.
---------------------------------------------------------------------------
\237\ USDA, FSIS, ``Quantitative Microbiological Risk Assessment
for Salmonella in Raw Chicken and Raw Chicken Products,'' January
2023 at: https://www.regulations.gov/docket/FSIS-2023-0028.
\238\ USDA, FSIS, ``Quantitative Microbiological Risk Assessment
for Salmonella in Raw Turkey and Raw Turkey Products,'' January 2023
at: https://www.regulations.gov/docket/FSIS-2023-0028.
---------------------------------------------------------------------------
FSIS estimated that if this proposal becomes final, the number of
illnesses prevented may range from 765 to 4,300 cases per year (Table
34).\239\ These estimates are based on the best data currently
available.
---------------------------------------------------------------------------
\239\ FSIS used these estimates for calculating the monetary
benefits associated with this proposal given the higher risk per
serving and probability of illness associated with serotypes of
public health significance. Thus, while the amount of product with
results at or above 10 cfu/mL(g) that is diverted is higher, the
number of prevented illnesses is potentially a representative
scenario of the total benefits associated with this rule.
---------------------------------------------------------------------------
For the low estimate, the Agency used sampling data and results
from the 2023 risk assessments to estimate the number of prevented
illnesses from the final products standards. FSIS sampling data show
that the serotypes of public health significance identified in this
proposal are present in 24 percent of the chicken carcass samples and
25 percent of the comminuted turkey samples.\240\ The Agency applied
the share of samples with at least one serotype of public health
significance to the estimated number of prevented illnesses from
diverting chicken carcasses and comminuted turkey with results at or
above 10 cfu/mL(g). Thus, for the low estimate in this analysis, the
Agency estimated that the final product standards would prevent a total
of 765 Salmonella illnesses, 240 from chicken carcasses and 525 from
comminuted turkey. Research indicates that chicken carcass samples
often contain multiple Salmonella serotypes.\241\ For example, it is
likely that a sample from a chicken carcass could test positive for
Salmonella Kentucky and also contain Salmonella Enteritidis, which is a
serotype of public health significance, but Salmonella Enteritidis was
not captured by FSIS testing on that sample. At present there is no
rapid way to screen for multiple Salmonella serotypes at one time.
Moreover, the 2023 chicken risk assessment estimated that diverting
from commerce chicken carcasses containing serotypes in the higher
virulence cluster would result in 1,800 prevented illnesses, which is
higher than the estimated number of illnesses prevented from diverting
carcasses with Salmonella at or above 10 cfu/mL (1,000 illnesses).\242\
Additionally, FSIS data show that serotypes of public health
significance have been detected at higher rates in chicken parts and
comminuted chicken products.\243\ Further, the serotypes of public
health significance have been identified in over 50 percent of the
outbreaks associated with chicken products between 2012 and 2021. FSIS
is seeking comments on these assumptions and estimates. While the
estimates in the 2023 risk assessments refer to Salmonella levels and
serotypes separately, the data indicate that the number of illnesses
prevented by the final product standards in this proposal is higher
than the low estimate included in this analysis.
---------------------------------------------------------------------------
\240\ FSIS used only the prevented illness estimates for chicken
carcasses as the 2023 chicken risk assessment could not assess the
effect of carcasses and secondary products standards sequentially.
USDA, FSIS, ``Quantitative Microbiological Risk Assessment for
Salmonella in Raw Chicken and Raw Chicken Products,'' January 2023
at: https://www.regulations.gov/docket/FSIS-2023-0028.
\241\ USDA, FSIS, ``Quantitative Microbiological Risk Assessment
for Salmonella in Raw Chicken and Raw Chicken Products,'' January
2023 at: https://www.regulations.gov/docket/FSIS-2023-0028; Obe, T.,
Siceloff, A.T., Crowe, M.G., Scott, H.M., & Shariat, N.W. (2023).
Combined Quantification and Deep Serotyping for Salmonella Risk
Profiling in Broiler Flocks. Applied and Environmental Microbiology,
899(4), e02035-02022. https://doi.org/10.1128/aem.02035-22;
Thompson, C.P., Doak, A.N., Amirani, N., Schroeder, E.A., Wright,
J., Kariyawasam, S., Lamendella, R., & Shariat, N.W. (2018). High-
Resolution Identification of Multiple Salmonella Serovars in a
Single Sample by Using CRISPR-SeroSeq. Applied and Environmental
Microbiology, 84(21), e01859-18.
\242\ These estimates are not available for chicken parts,
comminuted chicken, or comminuted turkey products.
\243\ The serotypes of public health significance have been
identified in FSIS sampling programs for poultry products at varying
rates between 2016 and 2021: 24 percent of chicken carcass samples,
33 percent of chicken parts samples, 29 percent of comminuted
chicken samples, and 25 percent of comminuted turkey samples. USDA,
FSIS, ``Quantitative Microbiological Risk Assessment for Salmonella
in Raw Chicken and Raw Chicken Products,'' January 2023 at: https://www.regulations.gov/docket/FSIS-2023-0028; USDA, FSIS,
``Quantitative Microbiological Risk Assessment for Salmonella in Raw
Turkey and Raw Turkey Products,'' January 2023 at: https://www.regulations.gov/docket/FSIS-2023-0028.
---------------------------------------------------------------------------
For the medium estimate, FSIS used the 2023 risk assessments
results of illnesses prevented from diverting chicken carcasses (1,000
illnesses) and comminuted turkey (2,100 illnesses) with Salmonella
levels at or above 10 cfu/mL(g). This estimate accounts for some of the
uncertainty around potential health benefits from this proposal. The
Agency used this because as discussed above, products with Salmonella
at or above 10 cfu/mL(g) have a higher risk per serving than other
products and would be more likely to cause illness. Specifically, the
2023 chicken risk assessment noted that the probability of illness for
a serving that tests at or above 10 cfu/mL(g) and has a serotype of
public health significance is 2,000-fold higher than the average across
all servings for carcass lots, 1,100-fold higher than the average
serving for chicken parts, and 590-fold higher than the average serving
for comminuted chicken products. In contrast, the probability of
illness per serving for lots with Salmonella at 0.03 cfu/mL(g), which
is the current screening limit of detection for carcasses and parts is
at least 14-fold higher than for average lots. The probability of
illness per serving for comminuted chicken lots with Salmonella at 0.03
cfu/mL(g), which is the current screening limit of detection, is at
least 160-fold higher than for average lots. Research shows that it is
likely that the share of product samples with serotypes of public
health significance is higher than current estimates indicate, and this
share varies between product subject to this proposal (24 percent for
chicken
[[Page 64739]]
carcasses, 33 percent for chicken parts, 29 percent for comminuted
chicken, and 25 percent for comminuted turkey). Furthermore, industry
may react to this proposal in a variety of ways. For example, while the
assumptions in the cost estimates reflect the requirement of
maintaining control of product until adulteration results are
available, some establishments may opt to divert chicken carcasses,
chicken parts, comminuted chicken, and comminuted turkey products with
test results at or above 10 cfu/mL(g) instead of waiting until results
on the adulteration status of the product is available. For these
reasons, FSIS estimates that the number of prevented illnesses from
diverting chicken carcasses at or above 10 cfu/mL better approximates a
portion of the illnesses not included in the low estimate as the Agency
estimates that diverting these products from commerce would lead to a
greater reduction in illnesses. Additionally, this proposal clarifies
process control requirements, and encourages establishments to adopt
pre-harvest measures, which may have compounding effects on reducing
cross-contamination and may prevent a higher number of illnesses each
year.
For the high estimate, FSIS used the combined estimated number of
prevented illnesses from diverting chicken carcasses (1,000 illnesses),
chicken parts (200 illnesses), comminuted chicken (1,000 illnesses),
and comminuted turkey (2,100 illnesses) product from the 2023 risk
assessments. As noted above, the prevented illness estimates in the
2023 risk assessments reflect a standard at the 10 cfu/mL(g) level for
these products. While these estimates do not reflect the final products
standards in this proposal, FSIS is including these as a high estimate
for the reasons outlined above. For the low and medium estimates, FSIS
used only the prevented illness estimates for chicken carcasses as the
2023 chicken risk assessment could not assess the effect of carcasses
and secondary products (parts and comminuted chicken) standards
sequentially, as mentioned above. In contrast, for the high estimate,
FSIS used the sum of all three estimates (chicken carcasses, chicken
parts, and comminuted chicken) to illustrate a potential number of
illnesses prevented from implementing this proposed policy, including
the potential compounding benefits across product types and the upper
limit of direct and indirect (i.e., benefits from actions industry
voluntarily takes in response to this proposal) health benefits. The
Agency used the same estimate for comminuted turkey for the medium and
high estimates. FSIS is seeking comments on these estimates.
Table 34--Estimated Number of Illnesses Prevented by Product
----------------------------------------------------------------------------------------------------------------
Prevented illnesses
Product --------------------------------------------------------
Low Medium High
----------------------------------------------------------------------------------------------------------------
Chicken products:...................................... 240 1,000 2,200
Chicken carcasses.................................. 240 1,000 1,000
Chicken parts...................................... ................. ................. 200
Comminuted chicken................................. ................. ................. 1,000
Comminuted turkey...................................... 525 2,100 2,100
--------------------------------------------------------
Total.............................................. 765 3,100 4,300
----------------------------------------------------------------------------------------------------------------
Public health benefits, including in the form of prevented
illnesses, are difficult to monetize as a market for these does not
exist. Typically, economic analyses use alternative methods for these
non-market measures that approximate the value of these benefits. To
monetize the estimated direct public health impact of this proposal,
and consistent with other Agency regulatory impact analyses,\244\ FSIS
applied the estimated cost of a Salmonella illness to the estimated
number of prevented illnesses. FSIS used the ``Cost Estimates of
Foodborne Illnesses'' developed by the U.S. Department of Agriculture,
Economic Research Service to do so.\245\ These estimates incorporate
associated expenditures on medical care, lost wages due to productivity
loss, and estimates of willingness to pay (WTP) to reduce
mortality.\246\ This WTP measure is estimated in the form of the value
of a statistical life. The average per case cost for Salmonella in 2021
dollars was $4,351, with a lower bound estimate of $387 and a higher
bound estimate of $6,873. The variability in the cost estimate is
driven by variations in the number of fatalities, which are zero at the
low estimate and 378 at the high estimate.
---------------------------------------------------------------------------
\244\ USDA, FSIS, ``Salmonella in Certain Not-Ready-To-Eat
Breaded Stuffed Chicken Products,'' Preliminary Cost-Benefit
Analysis, April 2023, https://www.fsis.usda.gov/sites/default/files/media_file/documents/NRTE_Stuffed_Chicken_CBA_FSIS-2022-0013.pdf.
USDA, FSIS, ``Proposed Performance Standards for Salmonella in Raw
Comminuted Pork and Intact or Non-Intact Pork Cuts,'' Preliminary
Cost-Benefit Analysis, February 16, 2022, https://www.fsis.usda.gov/sites/default/files/media_file/2022-02/Pork-Salmonella-Performance-Standards-Cost-Benefit-Analysis.pdf; USDA, FSIS, Chicken Parts and
Not Ready-To-Eat Comminuted Poultry Performance Standards, Final
Cost-Benefit Analysis, February 11, 2016, https://www.fsis.usda.gov/sites/default/files/media_file/documents/FRN-related-CBA-Salmonella-Campy-2014-0023-022016.pdf.
\245\ USDA, ERS, ``Cost Estimates of Foodborne Illnesses,'' Cost
of foodborne illness estimates for Salmonella (non-typhoidal)
dataset, January 29, 2021 https://www.ers.usda.gov/data-products/cost-estimates-of-foodborne-illnesses.aspx.
\246\ This is incorporated through value of a statistical life
estimates that are applied to mortality associated with each
pathogen for which estimates were developed.
---------------------------------------------------------------------------
FSIS estimated the total benefits from prevented illness for this
proposal at $13.49 million ([1,000 prevented illnesses from chicken
products + 2,100 prevented illnesses from comminuted turkey products] x
$4,351), with a range from $0.3 million to $29.55 million (Table 35).
Assuming the proposed implementation schedule and annualizing over 10
years at a 7 percent discount rate, the benefits associated with the
estimated prevented illnesses are $12.92 million, ranging from $0.28
million to $28.66 million.
[[Page 64740]]
Table 35--Estimated Benefits From Prevented Illnesses for Each Product Group
----------------------------------------------------------------------------------------------------------------
Benefits (million $)
Product group --------------------------------------------------------
Low Medium High
----------------------------------------------------------------------------------------------------------------
Chicken products....................................... 0.09 4.35 15.12
Comminuted turkey...................................... 0.20 9.14 14.43
--------------------------------------------------------
Total.............................................. 0.30 13.49 29.55
Annualized \1\..................................... 0.28 12.92 28.66
----------------------------------------------------------------------------------------------------------------
\1\ Costs are annualized at a 7 percent discount rate over 10 years.
Note: Numbers in table may not sum to totals due to rounding.
The cost estimate of foodborne illness for Salmonella cases is
likely an underestimate of the total economic burden of foodborne
illness. Specifically, cost of illness estimates account for major
costs of medical treatment, time lost to illness, and individuals' WTP
to reduce risk of death but these do not include other components of
individual's WTP (to reduce illness, pain and suffering or costs
associated with potential severe, debilitating human health
outcomes).\247\ According to the FSIS Risk Profile, Salmonella subtypes
of concern can cause severe human health outcomes, including acute
gastroenteritis, bacteremia (bacteria in the blood), and focal
infections. Salmonella infections can also lead to debilitating human
health outcomes in a subset of patients, which includes reactive
arthritis, cancer, inflammatory bowel disease, and irritable bowel
syndrome, which are not included in these estimates. The FSIS Risk
Profile notes that 5.8 percent of Salmonella cases develop reactive
arthritis, and about 66 percent had persistent symptoms five years
after becoming infected with Salmonella. Additionally, about 3.3
percent of cases developed irritable bowel syndrome. Salmonella
infection can also increase the risk of colon cancer.\248\
---------------------------------------------------------------------------
\247\ Hoffmann, Sandra, Bryan Maculloch, and Michael Batz.
Economic Burden of Major Foodborne Illnesses Acquired in the United
States, EIB-140, U.S. Department of Agriculture, Economic Research
Service, May 2015, p.3-5.
\248\ USDA, FSIS, ``Risk Profile for Pathogenic Salmonella
Subtypes in Poultry,'' February 28, 2023 at: https://www.regulations.gov/docket/FSIS-2023-0028.
---------------------------------------------------------------------------
Salmonella infections can result in a variety of outcomes and for
some serotypes a small number of bacteria can cause illness.\249\ The
2023 risk assessments estimated a higher proportion of deaths among the
serotypes identified as higher virulence, including some identified by
FSIS as part of this proposal. For all Salmonella, the domestic
foodborne hospitalization rate is about 2 percent, and the fatality
rate is about 0.04 percent. In contrast, the FSIS risk profile noted
that, for a subset of Salmonella serotypes, the hospitalization rate
was 22.8 percent, and the fatality rate was 0.5 percent.\250\
Salmonella illnesses disproportionately impact children under five
years old and adults over 65, who experience higher rates of illnesses
and death.\251\ The FSIS risk profile notes that children under 1 year
of age are particularly susceptible to invasive disease and infants
have a higher likelihood of bacteremia resulting from Salmonella
illness compared with adults.
---------------------------------------------------------------------------
\249\ USDA, FSIS, ``Risk Profile for Pathogenic Salmonella
Subtypes in Poultry,'' February 28, 2023 at: https://www.regulations.gov/docket/FSIS-2023-0028.
\250\ USDA, FSIS, ``Risk Profile for Pathogenic Salmonella
Subtypes in Poultry,'' February 28, 2023 at: https://www.regulations.gov/docket/FSIS-2023-0028.
\251\ CDC, FoodNet Fast, Pathogen Surveillance, October 8, 2022,
https://wwwn.cdc.gov/foodnetfast/ foodnetfast/.
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Costs Avoided From Prevented Outbreak-Related Recalls
FSIS estimates that this proposal would result in prevented
outbreak-related recalls. Specifically, by diverting adulterated
products entering commerce, should this rule become final, official
establishments would likely have a reduction in the risk of recalls due
to Salmonella illness outbreaks. FSIS assumed that, if finalized, this
proposal would prevent one to three recalls over a 10-year period, as
described below.
Recalls are companies' actions to remove product that may be
adulterated or misbranded from commerce.\252\ Companies recall products
due to a variety of reasons, including due to illness outbreaks. For
instance, between 2012 and 2021 there were 7 recalls due to Salmonella
outbreaks linked to various poultry products.\253\ In that same period,
there were 100 outbreaks linked to Salmonella in poultry products.\254\
While not all outbreaks lead to product recalls, poultry establishments
face the risk of recalling product that may result in human illnesses.
As previously mentioned, product that would be adulterated under this
proposal (i.e., with Salmonella levels at or above 10 cfu/mL(g) and
containing a serotype of public health significance) have a higher risk
per serving and hence a higher probability of resulting in illnesses.
---------------------------------------------------------------------------
\252\ USDA, FSIS, ``Managing Adulterated or Misbranded Meat,
Poultry, and Egg Products--Revision 8,'' December 19, 2023, https://www.fsis.usda.gov/policy/fsis-directives/8080.1.
\253\ This excludes recalls associated with raw stuffed and
breaded chicken products. USDA, FSIS, ``Recalls and Public Health
Alerts,'' accessed July 10, 2023, https://www.fsis.usda.gov/recalls.
\254\ USDA, FSIS, ``Risk Profile for Pathogenic Salmonella
Subtypes in Poultry,'' February 28, 2023 at: https://www.regulations.gov/docket/FSIS-2023-0028.
---------------------------------------------------------------------------
Poultry establishments have economic incentives to prevent recalls,
which are costly to industry and have spillover effects beyond the
product lot that is subject to it. Recalls have a direct cost for
establishments in the form of lost profits, product retrieval and
disposal costs, business interruptions, and customer reimbursement,
among others. Additional indirect costs are also part of the economic
impact of a food recall, including external costs to distributors,
wholesalers, and retailers, among others, which have been estimated to
be 51, 6, and 5 percent of the total cost of a recall for
manufacturers, wholesalers, and retailers, respectively.\255\ These
include lost sales as consumers purchase alternative brands or
products, potential litigation and liability risk, and brand damage
affecting non-recalled product of the same brand. The exact cost of a
recall varies depending on factors such as company size, product
volume, and geographic distribution of the recalled product, among
others. For publicly traded companies, recalls could reduce the
[[Page 64741]]
stock market prices of the implicated companies and could lead them to
bankruptcy and business closure. Recalls also negatively impact
consumers by creating anxiety and time-consuming inconveniences, which
includes looking for recall information, checking the products
purchased, and returning or disposing of products identified by the
recalls.
---------------------------------------------------------------------------
\255\ U.S. Department of Health and Human Services, Food and
Drug Administration (FDA), ``Requirement for Additional Traceability
Records for Certain Foods Final Regulatory Impact Analysis''
November 21, 2022, https://www.fda.gov/media/163155/download?attachment; FDA, ``Requirements for Tobacco Product
Manufacturing Practice (Proposed Rule) Preliminary Regulatory Impact
Analysis,'' March 10, 2023, https://www.fda.gov/media/166055/download?attachment.
---------------------------------------------------------------------------
Individual establishments may not currently effectively control for
Salmonella to further reduce their risk due to the perceived low risk
of a recall. For instance, the 7 recalls between 2014 and 2021 were
linked to different establishments. Further, an individual
establishment may experience pressure to underinvest in food safety
measures given uncertainty over how much other establishments may
invest in food safety measures and a need to maintain cost
competitiveness. Since consumers are unable to distinguish between
products in the marketplace that have higher probabilities of resulting
in Salmonella illness and those with lower probabilities, both types of
products are sold at the same price point. Under such market
conditions, establishments are disincentivized from investing in food
safety measures and controlling for Salmonella. This results in an
increased risk of Salmonella illnesses, and, in consequence, an
increased risk of outbreaks and outbreak-related recalls for
establishments.
If this proposal is finalized, establishments producing chicken
carcasses, chicken parts, comminuted chicken, and comminuted turkey
products would have the same incentives for controlling for Salmonella.
Consequently, establishments producing these products would have a
lower risk of recalls due to Salmonella illnesses and outbreaks.
Establishments that invest in food safety controls would benefit from
having a clear standard where product that would be adulterated would
be diverted from commerce. Diverting adulterated product from commerce
would equally reduce the probability of recalls for all FSIS regulated
establishments, serving as insurance against this risk. While this
would benefit establishments of all sizes, the benefit may be more
pronounced for low and very low volume establishments, for which the
burden of a recall may be higher. As the proposal would reduce the
probability that all regulated establishments incur costs associated
with product recalls, the Agency is approximating this quantitative
benefit by estimating the avoided cost of outbreak-related recalls.
(See discussion above, about recalls leading to external costs,
including to wholesalers and distributors.)
FSIS estimated that one outbreak-related recall may cost the U.S.
poultry industry about $31.3 million in 2021 dollars.\256\ While the
cost of a recall varies depending on multiple factors, recalls due to
illness outbreaks (class I) are a significant event for producers and
are likely more costly than other types of recalls.\257\ The 2023 risk
assessments estimated that annually roughly 8 lots of chicken carcasses
(0.7), chicken parts (0.2), comminuted chicken (5), and comminuted
turkey (2) would be diverted as a result of this proposal.\258\ This
equals roughly 80 lots of adulterated products diverted in 10 years.
FSIS estimates it is likely that at least a portion of these diverted
lots would have otherwise led to outbreaks and, consequently, recalls.
As mentioned above, data indicate that industry has conducted recalls
for about 7 percent of the outbreaks in the last 10 years (7 recalls in
100 outbreaks). Considering these products have a higher probability of
resulting in illnesses and could have led to Salmonella outbreaks, if 7
percent of them led to recalls, this would have resulted in 5.6 recalls
over 10 years. To illustrate the avoided cost from a reduction in the
risk of outbreak-related recalls, FSIS assumed that this proposal would
prevent two recalls (medium estimate), with a range of one (low
estimate) to three (high estimate) recalls in a 10-year period. This is
roughly 2.5 percent of the diverted lots, ranging from 1.3 percent to
3.8 percent. The estimated benefits from preventing recalls as part of
this proposal is $7.6 million, ranging from $4.2 million to $10.3
million, annualized over 10 years at a 7 percent discount rate.
---------------------------------------------------------------------------
\256\ This estimate is derived from a report by the Consumers
Brands Association that surveyed 36 food, beverage, and consumer
products companies that have faced a recall in the previous five
years to derive these estimates. Based on the report, FSIS estimated
the cost of an outbreak related recall at $25.8 million in 2011
dollars. The Agency adjusted this estimate for inflation using the
consumer price index. Consumers Brands Association, ``Capturing
Recall Costs: Measuring and Recovering the Losses,'' 2011, https://globalfoodsafetyresource.com/wp-content/uploads/2014/08/www.gmaonline.org_file-manager_images_gmapublications_Capturing_Recall_Costs_GMA_Whitepaper_FINAL.pdf; BLS, Consumer Price Index, All items in U.S. city
average, all urban consumers, not seasonally adjusted (CUUR0000SA0,
CUUS0000SA0 Not Seasonally Adjusted).
\257\ FSIS uses a classification system for recalls. Class I
recalls are a health hazard situation where there is a reasonable
probability that the use of the product will cause serious, adverse
health consequences or death. Class II recalls are those with a
remote probability that the product will cause adverse health
consequences, while Class III recalls are situations where the
product will not cause adverse health consequences. USDA, FSIS,
``Managing Adulterated or Misbranded Meat, Poultry, and Egg
Products--Revision 8,'' December 19, 2023, https://www.fsis.usda.gov/policy/fsis-directives/8080.1.
\258\ USDA, FSIS, ``Quantitative Microbiological Risk Assessment
for Salmonella in Raw Chicken and Raw Chicken Products,'' January
2023; USDA, FSIS, ``Quantitative Microbiological Risk Assessment for
Salmonella in Raw Turkey and Raw Turkey Products,'' January 2023 at:
https://www.regulations.gov/docket/FSIS-2023-0028.
---------------------------------------------------------------------------
Summary of Costs and Benefits
FSIS estimated this proposal would have a net benefit of $4.1
million per year, ranging from $1.1 million to $6.7 million, assuming
the proposed implementation schedule and annualizing over 10 years at a
7 percent discount rate (Table 35).
This proposal is estimated to cost industry $16.4 million per year,
ranging from $3.3 to $32.3 million, assuming the proposed
implementation schedule and annualizing over 10 years at a 7 percent
discount rate. The majority of this cost, $14.5 million, ranging from
$2.1 million to $29.3 million, is associated with requiring
establishments to maintain control of sampled product pending test
results, followed by industry cost due to lost product value of $1.5
million, ranging from $0.9 million to $2.4 million. Industry may also
incur costs associated with HACCP and microbiological sampling plan
reassessments and changes to MMPs for process control. To varying
degrees, industry may also incur other costs associated with their
individual responses to this proposal.
In terms of benefits, this proposal is estimated to result in
benefits to society of $20.5 million per year, ranging from $4.4
million to $39.0 million (Table 36), assuming the proposed
implementation schedule and annualizing over 10 years at a 7 percent
discount rate. The majority of the benefits are derived from prevented
illnesses of $12.9 million per year, ranging from $0.3 to $28.7
million. Additional benefits from this proposal include the reduction
in the risk of outbreak-related recalls for products subject to these
final product standards, which represent an estimated $7.6 million in
benefits to industry, ranging from $4.2 million to $10.3 million.
Moreover, industry might take additional actions in response to this
proposal, which may lead to additional benefits. For example, producers
may adopt testing programs, process control measures, or pre-harvest
measures that may result in additional benefits from this proposal.
[[Page 64742]]
Table 36--Summary of Costs and Benefits
----------------------------------------------------------------------------------------------------------------
Total (million $)
Description -----------------------------------------------
Low Medium High
----------------------------------------------------------------------------------------------------------------
Costs
----------------------------------------------------------------------------------------------------------------
Costs associated with the proposed rule:
Statistical Process Control................................. 0.04 0.04 0.04
Electronic data submission.................................. 0.18 0.18 0.18
HACCP plan reassessment..................................... 0.09 0.18 0.26
Costs associated with the proposed determination:
Maintaining control of sampled product...................... 2.11 14.47 29.26
Lost value to the industry.................................. 0.87 1.52 2.43
Microbiological sampling plan reassessment.................. 0.02 0.04 0.08
-----------------------------------------------
Total costs............................................. 3.31 16.43 32.25
----------------------------------------------------------------------------------------------------------------
Benefits
----------------------------------------------------------------------------------------------------------------
Prevented illnesses from adulterated chicken products........... 0.09 4.35 15.11
Prevented illnesses from adulterated comminuted turkey.......... 0.19 8.58 13.55
Avoided cost from prevented outbreak-related recalls............ 4.16 7.56 10.34
-----------------------------------------------
Total benefits.............................................. 4.45 20.49 39.00
Net benefits............................................ 1.14 4.06 6.75
----------------------------------------------------------------------------------------------------------------
Note: All costs and benefits are annualized over 10 years at a 7 percent discount rate. Numbers in table may not
sum to totals due to rounding.
This regulatory impact analysis provides potential cost and
benefits scenarios. As discussed in the Potential benefits and avoided
costs from the proposed rule and proposed determination section,
establishments may elect to divert product before final adulteration
results are available to them. To also illustrate this possibility,
FSIS estimated the potential costs associated with establishments
diverting product with test results at or above 10 cfu/mL(g) before a
serotype of public health significance is detected. This would likely
increase industry cost by $3.6 million, ranging from $2.1 million to
$5.7 million. This range is associated with changes to the cost of
maintaining control of sampled product, which would decrease, while the
lost value to industry from diverting product would likely increase.
While FSIS did not incorporate these into the main scenarios presented
in this regulatory impact analysis, the net benefit from industry
diverting product that tests at or above 10 cfu would be $0.5 million,
ranging from a net cost of $0.9 million to a net benefit of $1.0
million and keeping all other assumptions constant.\259\
---------------------------------------------------------------------------
\259\ In this scenario, the low bound in the net benefits
estimate reflects the adjustment in illnesses made in the Expected
benefits section to account for the share of product that is likely
to be at or above 10 cfu/mL(g) and contain a serotype of public
health significance. Hence, the net cost would be lower than $0.9
million.
---------------------------------------------------------------------------
FSIS compared the respective low, medium, and high costs and
benefits estimates as the Agency's primary estimates to summarize the
potential economic outcomes of this proposal. However, each of the cost
scenarios in this analysis could result in any of the benefit scenarios
also previously discussed. As such, when considering a wider range for
these scenarios, FSIS estimated this proposal would have a net benefit
of $4.1 million per year, ranging from -$31.9 million to $35.7 million,
assuming the proposed implementation schedule and annualizing over 10
years at a 7 percent discount rate.
Alternative Regulatory Approaches
FSIS considered the following five alternatives in the analysis for
this proposal (Table 37). To evaluate potential alternatives, FSIS
first analyzed the costs and benefits associated with taking no
regulatory action, which is discussed under Alternative 1 and
represents the baseline for this analysis. Alternative 2 discusses the
proposal. For Alternative 3, which is a more stringent regulatory
scenario, FSIS estimated the costs and benefits associated with
declaring adulterated chicken carcasses, chicken parts, comminuted
chicken, and comminuted turkey with levels of Salmonella at or above 1
cfu/mL(g) and containing a serotype of public health significance.
Alternative 4 represents a more lenient regulatory scenario by
estimating costs and benefits associated with declaring these products
adulterated with Salmonella levels at or above 100 cfu/mL(g) and
containing a serotype of public health significance. Finally,
Alternative 5 represents the most stringent scenario considered and
estimates the benefits and costs associated with declaring chicken
carcasses, chicken parts, comminuted chicken, and comminuted turkey
with Salmonella at or above 1 cfu/mL(g) adulterated regardless of
serotype. For each alternative, the Agency assumed that all other
costs, specifically those associated with process control requirements
(collecting an additional sample and electronic data submission), as
well as HACCP and microbiological sampling plan reassessments, would
remain equal. Similarly, the Agency assumed that the benefits from
preventing outbreak-related recalls would be the same for each
alternative.
[[Page 64743]]
Table 37--Regulatory Alternatives
----------------------------------------------------------------------------------------------------------------
Benefits (medium estimate) Net (medium
Alternative \1\ Costs (medium estimate) \2\ estimate)
----------------------------------------------------------------------------------------------------------------
1: No regulatory action (Baseline) Continued illnesses and No new costs to industry.. n/a.
deaths associated with
Salmonella from these
products.
2: The proposed rule and proposed $16.43 million compared to $20.49 million from $4.06 million.
determination. the baseline. prevented Salmonella
illnesses and outbreak-
related recalls.
3: The proposed rule and proposed $29.52 million compared to $19.65 million from ($9.88) million.
determination with a lower level the baseline. prevented Salmonella
for adulterated product (1 cfu/ illnesses and outbreak-
mL(g) and serotypes of public related recalls.
health significance).
4: The proposed rule and proposed $15.34 million compared to $8.85 million in the form ($6.59 million).
determination with a higher level the baseline. of prevented Salmonella
for adulterated product (100 cfu/ illnesses and outbreak-
mL(g) and serotypes of public related recalls.
health significance).
5: The proposed rule and proposed $49.96 million compared to $34.50 million from ($15.45 million).
determination with a lower the baseline. prevented Salmonella
contamination level for illnesses and outbreak-
adulterated product of 1 cfu/ related recalls.
mL(g) Salmonella regardless of
serotype.
----------------------------------------------------------------------------------------------------------------
\1\ Costs and benefits are annualized at a 7 percent discount rate over 10 years.
\2\ Alternatives 2-5 have additional potential benefits from reduced risk of outbreak-related recalls and
increased consumer trust.
Note: Numbers in table may not sum to totals due to rounding.
Alternative 1: No regulatory action (Baseline).
FSIS considered keeping the current performance standards for
Salmonella in poultry products and taking no regulatory action. This
alternative would prevent society from realizing benefits in the form
of prevented illnesses due to Salmonella contamination. While this
alternative would not impose costs on industry from maintaining control
of sampled product or lost value due to diverted product, the Agency
would fail to address the increased probability of illness resulting
from chicken carcasses, chicken parts, comminuted chicken, and
comminuted turkey that contain Salmonella at or above 10 cfu/mL(g) and
a serotype of public health significance. FSIS would also fail to
clarify process control requirements for poultry slaughter
establishments. Therefore, the Agency rejects this alternative.
Alternative 2: The proposed rule and proposed determination.
Under this proposal, chicken carcasses and parts and comminuted
chicken and turkey products which are final products that will enter
commerce that test at or above 10 cfu/mL(g) and contain a Salmonella
serotype of public health significance would be adulterated. FSIS would
also clarify process control requirements for poultry slaughter
establishments, require that VLV and VS establishments operating under
Traditional Inspection collect and analyze an additional sample for
process control monitoring, and require all establishments
electronically submit process control data. Society would benefit from
this proposal as FSIS estimated that between 765 and 4,300 Salmonella
illnesses could be prevented each year. This represents between 0.5 and
3 percent of the total number of Salmonella illnesses attributed to
products subject to this proposal.\260\ Additionally, industry would
benefit from a reduced risk of outbreak-related recalls. This is the
Agency's preferred alternative.
---------------------------------------------------------------------------
\260\ According to the 2023 risk assessments, there are 125,000
and 18,000 Salmonella illnesses attributed to products subject to
this proposed rule each year. USDA, FSIS, ``Quantitative
Microbiological Risk Assessment for Salmonella in Raw Chicken and
Raw Chicken Products,'' January 2023 at: https://www.regulations.gov/docket/FSIS-2023-0028; USDA, FSIS,
``Quantitative Microbiological Risk Assessment for Salmonella in Raw
Turkey and Raw Turkey Products,'' January 2023 at: https://www.regulations.gov/docket/FSIS-2023-0028.
---------------------------------------------------------------------------
Alternative 3: The proposed rule and proposed determination with a
lower contamination level for adulterated product of 1 cfu/mL(g) and
serotypes of public health significance.
Alternative 3 would consider product under this proposal to be
adulterated if it contains 1 cfu/mL(g) and a Salmonella serotype of
public health significance. This alternative results in higher costs
for industry to comply with the proposal, resulting from the increased
volume of lost product that is diverted ($14.48 million, ranging from
$8.29 million to $21.08 million). Alternative 3 also presents higher
benefits from prevented Salmonella illnesses, which range from 1,214 to
7,750. This represents between 0.8 and 5.4 percent of the total number
of Salmonella illnesses attributed to products subject to this
proposal.\261\ However, the net benefits from this alternative
(benefits minus costs) are negative for all scenarios. Therefore, the
Agency rejects this alternative.
---------------------------------------------------------------------------
\261\ According to the 2023 risk assessments, there are 125,000
and 18,000 Salmonella illnesses attributed to products subject to
this proposed rule each year. USDA, FSIS, ``Quantitative
Microbiological Risk Assessment for Salmonella in Raw Chicken and
Raw Chicken Products,'' January 2023 at: https://www.regulations.gov/docket/FSIS-2023-0028; USDA, FSIS,
``Quantitative Microbiological Risk Assessment for Salmonella in Raw
Turkey and Raw Turkey Products,'' January 2023 at: https://www.regulations.gov/docket/FSIS-2023-0028.
---------------------------------------------------------------------------
Alternative 4: The proposed rule and proposed determination with a
higher contamination level for adulterated product of 100 cfu/mL(g) and
serotypes of public health significance.
Alternative 4 would consider product under this proposal to be
adulterated if it contains 100 cfu/mL(g) and a Salmonella serotype of
public health significance. This alternative results in lower costs for
industry to comply with the proposal, as a lower volume of product
would have initial results at or above 100 cfu/mL(g) and would result
in a lower lost value for the industry ($0.62 million, ranging from
$0.35 million to $3.16 million). Alternative 4 also presents fewer
prevented Salmonella illnesses, which range from 384 to 2,220. This
represents between 0.3 and 1.5 percent of the total number of
Salmonella illnesses attributed to products subject to this
proposal.\262\ The
[[Page 64744]]
net benefits from this alternative (benefits minus costs) are negative
at the medium, and high estimates. Therefore, the Agency rejects this
alternative.
---------------------------------------------------------------------------
\262\ According to the 2023 risk assessments, there are 125,000
and 18,000 Salmonella illnesses attributed to products subject to
this proposed rule each year. USDA, FSIS, ``Quantitative
Microbiological Risk Assessment for Salmonella in Raw Chicken and
Raw Chicken Products,'' January 2023 at: https://www.regulations.gov/docket/FSIS-2023-0028; USDA, FSIS,
``Quantitative Microbiological Risk Assessment for Salmonella in Raw
Turkey and Raw Turkey Products,'' January 2023 at: https://www.regulations.gov/docket/FSIS-2023-0028.
---------------------------------------------------------------------------
Alternative 5. The proposed rule and proposed determination with a
lower contamination level for adulterated product of 1 cfu/mL(g)
Salmonella regardless of serotype.
Alternative 5 would consider product under this proposal to be
adulterated if it contains 1 cfu/mL(g) Salmonella, regardless of the
presence of Salmonella serotype. This alternative results in higher
costs for industry to comply with the proposal, as a higher volume of
product would be adulterated with results at or above 1 cfu/mL(g). The
lost value to industry would increase to $48.0 million (ranging from
$27.4 million to $72.0 million), which is the highest in comparison to
the other alternatives. Alternative 5 also presents higher benefits
from prevented Salmonella illnesses, which range from 5,000 to 7,750.
This represents between 3.5 and 5.4 percent of the total number of
Salmonella illnesses attributed to products subject to this
proposal.\263\ However, this alternative results in the lowest net
benefits (benefits minus costs) and all scenarios result in net costs.
Therefore, the Agency rejects this alternative.
---------------------------------------------------------------------------
\263\ According to the 2023 risk assessments, there are 125,000
and 18,000 Salmonella illnesses attributed to products subject to
this proposed rule each year. USDA, FSIS, ``Quantitative
Microbiological Risk Assessment for Salmonella in Raw Chicken and
Raw Chicken Products,'' January 2023 at: https://www.regulations.gov/docket/FSIS-2023-0028; USDA, FSIS,
``Quantitative Microbiological Risk Assessment for Salmonella in Raw
Turkey and Raw Turkey Products,'' January 2023 at: https://www.regulations.gov/docket/FSIS-2023-0028.
---------------------------------------------------------------------------
VII. Regulatory Flexibility Act Assessment
The FSIS Administrator has made a preliminary determination that
this proposed rule and proposed determination, if finalized, would not
have a significant economic impact on a substantial number of small
entities in the U.S., as defined by the Regulatory Flexibility Act (5
U.S.C. 601 et seq.). Establishments subject to this proposal are
classified in the 311615 Poultry Processing sector of the North
American Industry Classification System (NAICS). The U.S. Small
Business Administration (SBA) size standard for small businesses in
this section is 1,250 employees.\264\ This NAICS sector includes
establishments ``primarily engaged in (1) slaughtering poultry and
small game and/or (2) preparing processed poultry and small game meat
and meat byproducts.'' As a result, the sector includes establishments
that produce products beyond the scope of this proposal, including
further processing of poultry products. FSIS has typically classified
establishments in three size categories based on employment counts and
annual sales: large establishments have over 500 employees, small
establishments have between 10 and 499 employees, and very small
establishments have less than 10 employees or less than $2.5 million in
annual sales.\265\ These categories, however, do not necessarily
capture the variability in production volumes between regulated
establishments. For this reason, FSIS classified establishments based
on production volumes of the products subject to this proposal.
---------------------------------------------------------------------------
\264\ U.S. Census Bureau, ``North American Industry
Classification System--2022 NAICS Definition: 311615 Poultry
Processing January 3, 2024, https://www.census.gov/naics/?input=311615&year=2022&details=311615; SBA, Table of size
standards, October 25, 2023, https://www.sba.gov/sites/default/files/2023-06/Table%20of%20Size%20Standards_Effective%20March%2017%2C%202023%20%282%29.pdf.
\265\ 61 FR 38806.
---------------------------------------------------------------------------
FSIS established volume categories for this proposal based on
Agency data on establishments' production volumes and the 2016 cost-
benefit analysis in support of the FSIS ``Chicken Parts and Not Ready-
To-Eat Comminuted Poultry Performance Standards,'' as shown in tables
38 and 39.\266\ Furthermore, FSIS uses production volumes for
allocating samples to be collected at regulated establishments,
therefore these volume categories more closely capture the estimated
impact of this proposal. This proposal is estimated to impact a total
of 284 establishments classified as low- and very low-volume
establishments. FSIS considers these volume categories to be small
entities.
---------------------------------------------------------------------------
\266\ USDA, FSIS, Chicken Parts and Not Ready-To-Eat Comminuted
Poultry Performance Standards, Final Cost-Benefit Analysis, February
11, 2016, https://www.fsis.usda.gov/sites/default/files/media_file/documents/FRN-related-CBA-Salmonella-Campy-2014-0023-022016.pdf.
---------------------------------------------------------------------------
Final Product Standards
The volume categories for establishments subject to the proposed
final product standards are summarized in Table 38. Of these, 37
establishments produced chicken carcasses, 127 produced chicken parts,
39 produced comminuted chicken, and 18 produced comminuted turkey
products that would be subject to the final product standards. This
represents roughly 27.6 percent of the establishments impacted by this
proposal.\267\ Low- and very low-volume establishments, combined,
accounted for 0.08 percent of the total chicken carcasses produced in
2021. In that same year, low-volume establishments represented 0.1,
2.8, and 0.5 percent of the total production of chicken parts,
comminuted chicken, and comminuted turkey, respectively.\268\
---------------------------------------------------------------------------
\267\ Some establishments may produce more than one product
subject to these final product standards. For these estimates, FSIS
counted establishments separately for each product subject to the
final product standards, therefore, establishments may be counted
more than once.
\268\ Note that there is no very low-volume category for chicken
parts, comminuted chicken, and comminuted turkey.
Table 38--Volume Categories for Establishments Subject to the Final Products Standards
----------------------------------------------------------------------------------------------------------------
Chicken carcasses Chicken parts Comminuted chicken Comminuted turkey
Establishment volume category (birds slaughtered (annual production (daily production (daily production
annually) pounds) pounds) pounds)
----------------------------------------------------------------------------------------------------------------
High............................ 10 million or more 70 million or more 250,000 or more... 250,000 or more.
Medium.......................... More than 1.1 More than 1 More than 6,000 More than 6,000
million and less million and less and less than and less than
than 10 million. than 70 million. 250,000. 250,000.
Low............................. More than 440,001 1 million or less. Less than 6,000... Less than 6,000.
and less than 1.1
million.
Very Low \1\.................... No more than n/a............... n/a............... n/a.
440,000.
----------------------------------------------------------------------------------------------------------------
\1\ Very low-volume establishments are defined in 9 CFR 381.65g(1)(i).
[[Page 64745]]
As a result of the proposal, based on the assumptions and estimates
described in the Regulatory Impact Analysis section, FSIS estimates
that the medium per establishment cost for low-volume establishments
that produce chicken carcasses is $1,260 per year. For very low-volume
establishments in this product group, the medium per establishment cost
would be $1,067, if the proposal is finalized. For low-volume
establishments that produce chicken parts, comminuted chicken, and
comminuted turkey, the estimated medium per establishment cost is
$1,305, $3,152, and $1,296 per year, respectively.
FSIS used the per pound retail prices described in the Lost value
to the industry costs section to estimate the average revenue for low-
and very low-volume establishments from producing chicken carcasses,
chicken parts, comminuted chicken, and comminuted turkey. FSIS
estimates the cost associated with this proposal represents about 0.04
percent of the chicken carcass revenue for low-volume establishments
and 0.15 percent for very low-volume establishments.\269\ For low-
volume establishments producing chicken parts, the estimated cost of
the proposal represents about 0.1 percent of the estimated
revenue.\270\ This estimated cost represents 0.9 and 0.4 percent of the
estimated revenue for low-volume establishments that produce comminuted
chicken and comminuted turkey, respectively.\271\
---------------------------------------------------------------------------
\269\ FSIS estimated the average chicken carcass revenue for
low-volume establishments at $3.2 million, while for very low-volume
establishments this revenue was $0.7 million in 2021.
\270\ FSIS estimated the average chicken parts revenue for low-
volume establishments at $1.2 million.
\271\ FSIS estimated the average comminuted chicken revenue for
low-volume establishments at $0.35 million, while for low-volume
establishments producing comminuted turkey, this estimate is $0.32
million.
---------------------------------------------------------------------------
FSIS also expects the cost burden of this proposal on low- and very
low-volume establishments to be limited due to several factors:
(1) FSIS estimates that the total cost for low- and very low-volume
establishments for complying with this proposal is small. As proposed,
final product standards account for the largest proportion of estimated
costs, which are estimated to cost these establishments $1,569, on
average, per establishment per year. This cost will vary depending on
an establishment's production level.
(2) The cost estimates presented as part of this analysis are based
on FSIS' estimated lot size. FSIS allows establishments to produce
smaller representative batches of product for sampling.\272\
Consequently, low- and very low-volume establishments can reduce costs
by reducing their lot size when FSIS collects a sample.
---------------------------------------------------------------------------
\272\ 77 FR 73402.
---------------------------------------------------------------------------
(3) FSIS is also adopting an implementation schedule that allows
low- and very low-volume establishments additional flexibility to
adjust to the new regulations. Low- and very low-volume establishments
would have three years to comply with this proposal after it is
finalized.
Process Control Requirements
The volume categories for establishments subject to the statistical
process control requirements are summarized in Table 39. Of the 284
small entities impacted by this proposal, 108 are poultry slaughter
establishments subject to the statistical process control requirements,
or about 36.2 percent of all poultry slaughter establishments. This
proposal requires that very low-volume and very small establishments
operating under Traditional Inspection collect an additional sample for
monitoring process control, as explained in the Statistical Process
Control costs section. This requirement is estimated to impact 92
establishments that are considered to be small entities by FSIS. The
rule also requires all poultry slaughter establishments to
electronically submit to FSIS data generated as part of their process
control monitoring. This requirement is estimated to impact 108
establishments that are considered to be small entities by FSIS. In
2021, there were 93 low and very low-volume chicken slaughter
establishments, 12 turkey slaughter, 1 duck slaughter, 1 goose
slaughter, and 1 squab slaughter establishments.\273\ In that year, low
and very low volume establishments accounted for 0.2 percent of chicken
slaughter, 0.1 percent of turkey slaughter, and 0.01 percent of duck
slaughter. For goose slaughter, one establishment accounted for about
98 percent of total slaughter in 2021, while one low volume
establishment accounted for 16 percent of squab slaughter in that year.
---------------------------------------------------------------------------
\273\ For establishments that slaughter multiple species,
process control requirements apply to the most predominant species
slaughtered annually.
Table 39--Volume Categories for Establishments Subject to the
Statistical Process Control Requirements
------------------------------------------------------------------------
Chicken All other poultry classes
------------------------------------------------------------------------
More than 10 million................... More than 1 million.
Between 1.1 million and 10 million..... Between 156 thousand and 1
million.
Between 440 thousand and 1.1 million... Between 60 thousand and 156
thousand.
Less than 440 thousand................. Less than 60 thousand.
------------------------------------------------------------------------
FSIS estimated process control requirements would cost $2,129 per
establishment per year. As these establishments produce a wide variety
of products, including multiple poultry classes, FSIS is unable to
estimate the share this cost represents of establishments' total
revenue. However, FSIS production data show that 79 establishments (73
percent) slaughter more than one class of poultry. Additionally, 36
establishments (about 33 percent) produce other nonpoultry FSIS
inspected products. Nonpoultry products represent 54 percent, on
average, of these establishments' total production by volume. However,
to mitigate the impact and costs of this requirement, the Agency is
proposing to make laboratory services available to analyze process
control samples instead of the establishment using establishment
resources or commercial laboratories. In addition, FSIS is providing a
template for establishments to use when submitting data to the Agency.
Consequently, these costs could be mitigated is represents potential
cost savings for these establishments.
VIII. Paperwork Reduction Act
In accordance with the Paperwork Reduction Act of 1995 (44 U.S.C.
3501-3520), FSIS has reviewed the proposed rule. All establishments
that slaughter poultry are currently required to
[[Page 64746]]
monitor their ability to maintain process control through microbial
testing and recordkeeping under the currently approved information
collection, 0583-0156, Modernization of Poultry Slaughter Inspection.
FSIS is proposing to revise this collection to require that
establishments submit their microbial sampling results to FSIS
electronically on a monthly basis. FSIS is also proposing to require
that all establishments, including VS and VLV establishments operating
under Traditional Inspection to test at 2 points (rehang and post-
chill) instead of only post-chill. VS and VLV establishments operating
under Traditional Inspection would have the option to use laboratory
resources provided by FSIS to analyze their monitoring samples for
them, but they would still be required to have their results recorded
and submitted to FSIS electronically.
Should FSIS finalize this proposal, the Agency would provide a
template that establishments could use to record and submit their
monthly results. FSIS is developing a web portal that will allow
external partners to securely upload sampling information and submit it
to FSIS in a machine- readable format. The proposed fields that would
be uploaded into the portal are: a sample identification number, the
establishment number, date, time, slaughter line number, location of
sample collection (e.g., rehang, post-chill), poultry species sampled,
sample type (e.g., rinsate, sponge), analyte (e.g., AC, EB), analyte
units (e.g., cfu/mL), quantified analyte result, and text analyte
result (e.g., Upper LOD). Establishments that use the
spreadsheet template to record the microbial monitoring results may
upload their completed spreadsheet into the web portal to submit their
monthly microbial data to FSIS or they may enter the information
manually into the portal. Establishments that do not use the spread
sheet provided by FSIS as a template to record their results would need
to manually enter their microbial sampling data into the portal to
submit their monthly data.
FSIS is revising this information collection to add 1,788 total
burden hours due to the proposed new requirements. The burden estimate
has also been updated to reflect the current number of poultry
slaughter establishment respondents, which has increased from 289 to
298 since the initial information collection approval. FSIS requests
comments on the proposed data fields and on the proposed electronic
data submission process.
FSIS estimates that a total of 298 establishments would conduct
microbial testing and enter 6-12 associated data points into the spread
sheet, or directly into the portal, 12 times annually for a total of
1,788 hours.
Microbial Testing, Recording, and Electronic Submission
[9 CFR 381.65(g) and (h)]
--------------------------------------------------------------------------------------------------------------------------------------------------------
Number of Time for
Number of responses per Total annual response in Total annual
respondents respondent responses mins. time in hours
--------------------------------------------------------------------------------------------------------------------------------------------------------
Total.............................................................. 298 1 12 30 1,788
--------------------------------------------------------------------------------------------------------------------------------------------------------
Copies of this information collection assessment can be obtained
from Gina Kouba, Office of Policy and Program Development, Food Safety
and Inspection Service, USDA, 1400 Independence Avenue SW, Mailstop
3758, South Building, Washington, DC 20250-3700; (202) 937-4272.
Comments are invited on: (a) whether the proposed collection of
information is necessary for the proper performance of FSIS' functions,
including whether the information will have practical utility; (b) the
accuracy of FSIS' estimate of the burden of the proposed collection of
information, including the validity of the method and assumptions used;
(c) ways to enhance the quality, utility, and clarity of the
information to be collected; and (d) ways to minimize the burden of the
collection of information, including through the use of appropriate
automated, electronic, mechanical, or other technological collection
techniques, or other forms of information technology. Comments may be
sent to both FSIS, at the addresses provided above, and the Desk
Officer for Agriculture, Office of Information and Regulatory Affairs,
Office of Management and Budget (OMB), Washington, DC 20253
IX. E-Government Act
FSIS and USDA are committed to achieving the purposes of the E-
Government Act (44 U.S.C. 3601, et seq.) by, among other things,
promoting the use of the internet and other information technologies
and providing increased opportunities for citizen access to Government
information and services, and for other purposes.
X. Executive Order 12988, Civil Justice Reform
This proposed rule has been reviewed under E.O. 12988, Civil
Justice Reform. Under this proposed rule: (1) All State and local laws
and regulations that are inconsistent with this proposed rule will be
preempted; (2) no retroactive effect will be given to this proposed
rule; and (3) no administrative proceedings will be required before
parties may file suit in court challenging this proposed rule.
XI. E.O. 13175
E.O. 13175 requires Federal agencies to consult and coordinate with
tribes on a government to-government basis on policies that have tribal
implications, including regulations, legislative comments or proposed
legislation, and other policy statements or actions that have
substantial direct effects on one or more Indian tribes, on the
relationship between the Federal Government and Indian tribes or on the
distribution of power and responsibilities between the Federal
Government and Indian tribes. FSIS has assessed the impact of this
proposed rule on Indian tribes and determined that this proposed rule
does not, to our knowledge, have tribal implications that require
tribal consultation under E.O. 13175. If a tribe requests consultation,
FSIS will work with the Office of Tribal Relations to ensure meaningful
consultation is provided where changes, additions, and modifications
identified herein are not expressly mandated by Congress.
XII. USDA Non-Discrimination Statement
In accordance with Federal civil rights law and USDA civil rights
regulations and policies, USDA, its Mission Areas, agencies, staff
offices, employees, and institutions participating in or administering
USDA programs are prohibited from discriminating based on race, color,
national origin, religion, sex, gender identity (including gender
expression), sexual orientation, disability, age, marital status,
family/parental status,
[[Page 64747]]
income derived from a public assistance program, political beliefs, or
reprisal or retaliation for prior civil rights activity, in any program
or activity conducted or funded by USDA (not all bases apply to all
programs). Remedies and complaint filing deadlines vary by program or
incident. Program information may be made available in languages other
than English. Persons with disabilities who require alternative means
of communication to obtain program information (e.g., Braille, large
print, audiotape, American Sign Language) should contact the
responsible Mission Area, agency, or staff office; the USDA TARGET
Center at (202) 720-2600 (voice and TTY); or the Federal Relay Service
at (800) 877-8339. To file a program discrimination complaint, a
complainant should complete a Form, AD-3027, USDA Program
Discrimination Complaint Form, which can be obtained online at https://www.usda.gov/forms/electronic-forms, from any USDA office, by calling
(866) 632-9992, or by writing a letter addressed to USDA. The letter
must contain the complainant's name, address, telephone number, and a
written description of the alleged discriminatory action in sufficient
detail to inform the Assistant Secretary for Civil Rights about the
nature and date of an alleged civil rights violation. The completed AD-
3027 form or letter must be submitted to USDA by: (1) Mail: U.S.
Department of Agriculture, Office of the Assistant Secretary for Civil
Rights, 1400 Independence Avenue SW, Washington, DC 20250-9410; (2)
Fax: (833) 256-1665 or (202) 690-7442; or (3) Email:
usda.gov">program.intake@usda.gov.
USDA is an equal opportunity provider, employer, and lender.
XIII. Environmental Impact
Each USDA agency is required to comply with 7 CFR part 1b of the
Departmental regulations, which supplements the National Environmental
Policy Act regulations published by the Council on Environmental
Quality. Under these regulations, actions of certain USDA agencies and
agency units are categorically excluded from the preparation of an
Environmental Assessment (EA) or an Environmental Impact Statement
(EIS) unless the agency head determines that an action may have a
significant environmental effect (7 CFR 1b.4(b)). FSIS is among the
agencies categorically excluded from the preparation of an EA or EIS (7
CFR 1b.4(b)(6)). This proposed rule would establish final product
standards for certain raw poultry products. Under this proposal, raw
chicken carcasses, chicken parts, comminuted chicken, and comminuted
turkey that contain Salmonella levels and serotypes in the proposed
final product standards would be adulterated. This proposed rule would
also revise the regulations that require that all poultry slaughter
establishments develop, implement, and maintain written procedures to
prevent contamination by enteric pathogens throughout the entire
slaughter and dressing operation to clarify that these procedures must
include a MMP that incorporates SPC monitoring methods and to require
all establishments to conduct testing at rehang and post chill. FSIS
has determined that this proposed rule would not create any
extraordinary circumstances that would result in this normally excluded
action having a significant individual or cumulative effect on the
human environment. Therefore, this action is appropriately subject to
the categorical exclusion from the preparation of an environmental
assessment or environmental impact statement provided under 7 CFR
1b.4(b)(6) of the U.S. Department of Agriculture regulations.
XIV. Additional Public Notification
Public awareness of all segments of rulemaking and policy
development is important. Consequently, FSIS will announce this Federal
Register publication on-line through the FSIS web page located at:
https://www.fsis.usda.gov/federal-register. FSIS will also announce and
provide a link through the FSIS Constituent Update, which is used to
provide information regarding FSIS policies, procedures, regulations,
Federal Register notices, FSIS public meetings, and other types of
information that could affect or would be of interest to our
constituents and stakeholders. The Constituent Update is available on
the FSIS web page. Through the web page, FSIS is able to provide
information to a much broader, more diverse audience. In addition, FSIS
offers an email subscription service which provides automatic and
customized access to selected food safety news and information. This
service is available at: https://www.fsis.usda.gov/subscribe. Options
range from recalls to export information, regulations, directives, and
notices. Customers can add or delete subscriptions themselves and have
the option to password protect their accounts.
List of Subjects in 9 CFR Part 381
Meat inspection, Poultry and poultry products.
For the reasons set forth in the preamble, FSIS proposes to amend 9
CFR part 381 as follows:
PART 381--POULTRY PRODUCTS INSPECTION REGULATIONS
0
1. The authority citation for part 381 continues to read as follows:
Authority: 7 U.S.C. 138f, 1633; 21 U.S.C. 451-472; 7 CFR 2.7,
2.18, 2.53.
0
2. Amend Sec. 381.65 by revising paragraphs (g) and (h) to read as
follows:
Sec. 381.65 Operations and procedures, generally.
* * * * *
(g) Procedures for controlling contamination throughout the
slaughter and dressing operation. Official poultry slaughter
establishments must develop, implement, and maintain written procedures
to prevent contamination of carcasses and parts by enteric pathogens
and fecal contamination throughout the entire slaughter and dressing
operation. Establishments must incorporate these procedures into their
HACCP plans, or sanitation SOPs, or other prerequisite programs. At a
minimum, these procedures must establish a microbial monitoring program
that includes sampling and analysis of microbial organisms in
accordance with the requirements in paragraphs(g)(1)-(5) of this
section to monitor an establishment's ability to maintain process
control.
(1) Sampling locations. Establishments must collect and analyze
samples for microbial organisms at the rehang and post-chill points in
the process.
(i) The establishment's microbial monitoring program must identify
and provide supporting rationale for the specific point in the process
where rehang and post-chill samples will be collected.
(ii) An establishment may collect samples at a location other than
rehang if the establishment provides supporting data to demonstrate
that the alternate location is at least as effective as rehang sampling
for monitoring the establishment's ability to maintain process control.
(2) Sampling frequency.
(i) Except as provided in paragraph (g)(2)(ii) of this section, all
official poultry establishments must collect and analyze paired
monitoring samples at the following rates. Establishments that
slaughter multiple species may conduct sampling on the type of poultry
slaughtered in the greatest number.
(A) Chickens
[[Page 64748]]
----------------------------------------------------------------------------------------------------------------
Predominant poultry species Establishment volume Annual slaughter Minimum frequency of
slaughtered sizes head volume paired collection
----------------------------------------------------------------------------------------------------------------
Chicken................................ Very Low Volume.......... 1-440,000 13 Weekly Pairs per Year.
Chicken................................ Low Volume............... 440,001-1,100,000 Weekly.
Chicken................................ Medium and High Volume... >=1,100,000 1 per 22,000.
----------------------------------------------------------------------------------------------------------------
(B) Turkeys, ducks, geese, guineas and squabs
----------------------------------------------------------------------------------------------------------------
Predominant poultry species Establishment volume Annual slaughter Minimum frequency of
slaughtered sizes head volume paired collection
----------------------------------------------------------------------------------------------------------------
Turkey, Geese, Guinea, Ducks, Squab.... Very Low Volume.......... 1-60,000 13 Weekly Pairs per Year.
Turkey, Geese, Guinea, Ducks, Squab.... Low Volume............... 60,001-156,000 Weekly.
Turkey, Geese, Guineas, Ducks Squab.... Medium and High Volume... >=156,000 1 per 3,000.
----------------------------------------------------------------------------------------------------------------
(ii) Very low volume establishments as defined in paragraphs
(g)(2)(i)(A) and (B) of this section that plan to operate less than 13
weeks per year may collect and analyze 13 samples less than weekly if
the establishment can demonstrate that it is effectively maintaining
process control throughout the year and during any periods of slaughter
operations.
(iii) Establishments must sample at a frequency that is adequate to
monitor their ability to maintain process control for enteric
pathogens.
(iv) Establishments must maintain accurate records of all test
results and retain these records as provided in paragraph(h) of this
section.
(3) Microbial Organism and Methods. Establishments must analyze
monitoring samples for microbial organisms that are quantifiably
detectable in their slaughter process and that will generate microbial
monitoring data that is adequate to monitor their ability to maintain
process control for enteric pathogens.
(i) The establishment's measured results at each sample location
must yield statistically reliable quantified value results
(ii) The establishments' sample collection method must be
appropriate for the product sampled, the microbial organism monitored,
and the laboratory method used to analyze the samples.
(iii) The establishment's microbial sampling results must be
generated by validated laboratory analyses and methods.
(4) Microbial Monitoring Criteria. The establishment must use
appropriate statistical methods to compare microbial monitoring data
against predefined quantitative limits adequate to gauge its ability to
maintain process control. At a minimum, the microbial monitoring
program must identify and support limits for:
(i) The minimal expected change in microbial levels measured
between sampling locations; and
(ii) The expected consistency of the levels of change detected over
a specified monitoring period.
(5) Corrective Actions. The establishment must implement written
corrective actions, including a root cause assessment, at a minimum
when:
(i) The microbial monitoring results deviate from predefined
quantitative limits;
(ii) The microbial monitoring results are not consistent with the
other process control monitoring results for the same procedures; or
(iii) The microbial monitoring results are not consistent with the
process control determination made for the entire slaughter HACCP
system.
(h) Recordkeeping requirements. Official poultry slaughter
establishments must maintain daily records sufficient to document the
implementation and monitoring of the procedures required under
paragraph (g) of this section. Records required by this section may be
maintained on computers if the establishment implements appropriate
controls to ensure the integrity of the electronic data. Records
required by this section must be maintained for at least one year and
must be accessible to FSIS.
(1) Official poultry slaughter establishments must submit their
microbial sampling results to FSIS electronically on a monthly basis.
(2) [reserved]
Done in Washington, DC.
Paul Kiecker,
Administrator.
[FR Doc. 2024-16963 Filed 8-6-24; 8:45 am]
BILLING CODE 3410-DM-P