Authority: IC 15-17-3-21

Affected: IC 15-17-3-13; IC 15-17-7

Sec. 9. (a) The owner of a herd where tuberculosis infection has been confirmed but the herd is not depopulated must complete the requirements in this subsection after the quarantine is released. The herd owner must procure the services of an accredited veterinarian to test each animal in the herd for tuberculosis annually for the next two (2) consecutive years. The first test must be conducted not more than three hundred sixty (360) days and not less than one hundred ninety (190) days after the quarantine release and the second test one (1) year thereafter.

(b) In herds with a history of lesions suspicious of bovine tuberculosis (not confirmed), two (2) complete annual herd tests shall be applied after release of quarantine. The first test must be applied approximately one (1) year after release of quarantine.

(c) After a herd is completely depopulated because of tuberculosis, a new herd may be assembled on the same premises, but the owner of the new herd shall procure the services of an accredited veterinarian to test each animal in the new herd as follows:

1. (1) Each animal in the herd must be tested between one hundred fifty (150) and one hundred eighty (180) days after the date the first animal in the new herd entered the premises.
2. (2) One (1) year after the testing required in subdivision (1) is completed, each animal in the herd must be tested.

If the premises that contained the former affected herd is left empty of all animals for not less than one (1) year prior to assembly of the new herd, the state veterinarian may waive some or all of the requirements in this subsection if such waiver is consistent with the purpose of this article.

(d) Exposed animals previously sold from a known infected herd shall be depopulated with indemnity if possible. But, if the exposed animals are not depopulated, only the single cervical test (SCT) shall be used as the initial test. All responding animals shall be classified as reactors. If negative to the single cervical test, the exposed animals shall be treated as if they are part of the infected herd of origin for the purpose of testing, quarantine release, and the two (2) annual high-risk tests under this rule. The remainder of the herd shall be retested in one (1) year as described in subdivision (2). The remainder of the receiving herd shall be tested for tuberculosis as follows:

1. (1) If lesions of tuberculosis (based on histopathologic examination) are found in the exposed animals, the remainder of the herd shall be depopulated or tested with the single cervical test.
2. (2) In all other cases, the remainder of the herd shall be tested using the caudal fold test. The responding animals may be classified as suspects and retested with the comparative cervical test.

(Indiana State Board of Animal Health; 345 IAC 2.5-3-9; filed Apr 13, 2005, 12:30 p.m.: 28 IR 2685; readopted filed Nov 1, 2011, 3:50 p.m.: 20111130-IR-345110312RFA; readopted filed Jul 17, 2017, 9:06 a.m.: 20170816-IR-345170165RFA; readopted filed Oct 4, 2023, 9:15 a.m.: 20231101-IR-345230625RFA; readopted filed Oct 15, 2025, 3:08 p.m.: 20251105-IR-345240625RFA)