Wyoming Administrative Code
Agency 051 - Livestock Board
Sub-Agency 0001 - General Agency, Board or Commission Rules
Chapter 8 - LIVESTOCK BOARD IMPORT RULES
Section 8-14 - Requirements for the importation of Bison and Cattle

(i) All sexually intact Bison and Cattle twelve (12) months of age and older shall each have Official Individual Identification.

(ii) All sexually intact females, regardless of age, entering the Brucellosis Designated Surveillance Area are required to be identified with Official Individual Identification prior to arriving.

(iii) Bison and Cattle imported from Canada be identified in accordance with USDA requirements.

(iv) Bison and Cattle from Mexico shall be identified in accordance with USDA requirements.

(v) All Bison and Cattle originating from any foreign country whether imported directly or indirectly, shall be individually identified with a country of origin official tag which may not be removed during the life of the animal.

(vi) Any female Bison or Cattle spayed prior to entry shall be identified with a spay tag recognized by the Animal health official in the state of origin.

(vii) Cattle not already identified with state of origin official identification and imported to an approved tagging site, may be permitted under the condition that, immediately upon arrival at such approved tagging site, they shall be officially identified.

(i) All sexually intact female Bison and Cattle imported into the Brucellosis Designated Surveillance Area shall be Official Vaccinates prior to importation, unless they are less than four (4) months of age and accompanying their mothers.

(ii) Unvaccinated Bison and Cattle less than twelve (12) months of age imported for breeding purposes may be imported into Wyoming outside of the Brucellosis Designated Surveillance Area under Quarantine. They must become Official Brucellosis Vaccinates prior to reaching 365 days of age.

(iii) Unvaccinated female Bison and Cattle greater than twelve (12) months of age may be imported into Wyoming outside of the Designated Surveillance Area to a Designated Feedlot as Restricted Livestock under the conditions of the feedlot agreement.

(iv) If originating from a single source not assembled within the previous 90 days, unvaccinated female Bison and Cattle greater than twelve (12) months of age may be imported into Wyoming to a ranch or Premises under Quarantine to become Official Vaccinates within thirty (30) days of importation or after calving if they are pregnant at the time of importation. Issuance of an entry permit is contingent upon the importer signing an adult vaccination application with the Wyoming State Veterinarian.

(v) Bison or Cattle from any country, state, region, area, or zone which is not Brucellosis Free, or where current Brucellosis quarantines for livestock are in effect, or where there is an infected wildlife reservoir present, shall meet all pre- and post-entry test requirements, quarantines and restrictions required by the Wyoming State Veterinarian.

(i) Trichomoniasis Test Eligible Bulls being imported into Wyoming for breeding purposes shall have a negative PCR (Polymerase Chain Reaction) test, conducted at an American Association of Veterinary Laboratory Diagnosticians or International Organization for Standardization or equivalent accrediting organization-approved laboratory, within sixty (60) days prior to entry with no female exposure 14 days prior to test and from the time of test until import.

(ii) Female Cattle over twelve (12) months of age intended for breeding purposes shall not be imported from a herd under Quarantine for Trichomoniasis or known to be affected with Trichomoniasis.

(iii) Trichomoniasis Test Eligible Bulls being returned to Wyoming from another state by a producer pursuant to a Commuter Permit or Adjacent State Contiguous Property Movement Permit, from property owned or controlled by the importer, or Trichomoniasis Test Eligible Bulls returning from an artificial insemination collection facility where no female exposure has occurred do not need to be tested for Trichomoniasis provided the Cattle are returning to their Wyoming ranch of origin. Bulls exposed to any female cattle other than those on the permit will require a negative test prior to their next turn out with female cattle.

(i) No Tuberculosis test is required, unless otherwise directed by the Wyoming State Veterinarian, for:

(ii) The following shall have one negative Tuberculosis test performed within sixty (60) days prior to importation:

(iii) Bison or Cattle, including Rodeo Cattle, originating from a foreign nation or an area within a foreign nation recognized by USDA/APHIS/VS as Modified accredited or Accreditation shall have a history of two (2) negative Tuberculosis tests performed within the previous nine (9) months. The second of these tests must be within ninety (90) days prior to importation. The Wyoming State Veterinarian has the discretion to allow such cattle to be imported under Quarantine and subjected to the second test. A complete history of prior Tuberculosis testing, including the date, location, and testing veterinarian's name, must be provided on the ICVI. These Animals are required to have a country of origin official tag which must not be removed for the life of the Animal.

(iv) All U.S.-origin Rodeo Cattle shall have a negative Tuberculosis test within twelve (12) months prior to importation, in addition to other applicable Tuberculosis testing requirements. Rodeo Cattle less than two months of age with Official Individual Identification entering Wyoming for Recreational Purposes and then leaving Wyoming directly from the event may have testing requirements waived or modified with the prior written approval of the Wyoming State Veterinarian.

(v) The importation of and test requirements for Bison or Cattle originating from any area with an existing or suspected wildlife reservoir of Tuberculosis or from any area with endemic infection in livestock, regardless of country, state, or zone classification, shall be at the discretion of the Wyoming State Veterinarian.