Current through Register Vol. 46, No. 12, March 20, 2024
(a) If
a suspect is identified in a herd that has been tested for tuberculosis with
negative results within the previous 12 months, the suspect shall be
quarantined and subjected to a comparative cervical tuberculosis test, a
U.S.D.A. approved deer tuberculosis test or a BTB test. If this tuberculosis
test is positive, the deer shall be classified as a reactor and the entire herd
shall be quarantined under the conditions set forth in section
60.7 of
this Part.
(1) The herd quarantine shall be
released if the reactor is slaughtered, the necropsy procedures in section
60.6 of this
Part followed and the necropsy reveals no visible lesions.
(2) The quarantine shall be reinstated if
Mycobacterium bovis is microbiologically isolated in the tissue samples
submitted pursuant to section
60.6 of this
Part and the herd shall be classified as tuberculosis infected.
(b) If a suspect is identified in
a herd that has not been tested for tuberculosis within the previous 12 months,
the entire herd shall be quarantined under the conditions set forth in section
60.7 of
this Part and subjected to a cervical tuberculosis test, a U.S.D.A. approved
deer tuberculosis test or a BTB test.
(1) If
no suspects are disclosed by the herd test, the quarantine shall be
released.
(2) If suspects are
disclosed by the herd test, then either:
(i) a
BTB test must be conducted on all suspects. All BTB reactors shall be
slaughtered and the necropsy procedures in section
60.6 of this
Part followed. If the necropsy reveals no visible lesions, the quarantine may
be released. The quarantine shall be reinstated if Mycobacterium bovis is
microbiologically isolated in the tissue samples submitted pursuant to section
60.6 of this
Part and the herd shall be classified as tuberculosis infected; or
(ii) all suspects up to a maximum of five
must be slaughtered and the necropsy procedures in section
60.6 of this
Part followed.
(a) If Mycobacterium bovis is
microbiologically isolated in the tissue samples submitted pursuant to section
60.6 of this
Part, the herd shall be classified as tuberculosis infected.
(b) If no Mycobacterium bovis is
microbiologically isolated, then the remaining suspects shall be subjected to a
comparative cervical tuberculosis test or BTB test. All reactors shall be
slaughtered and the necropsy procedures in section
60.6 of this
Part followed.
(1) If Mycobacterium bovis is
microbiologically isolated in the tissue samples submitted pursuant to section
60.6 of this
Part, the herd shall be classified as tuberculosis infected.
(2) If Mycobacterium bovis is not
microbiologically isolated, then the quarantine shall be released.
(c) The procedure for suspects is
illustrated in the following chart:
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