S.D. Admin. R. 12:68:23:04

Current through Register Vol. 51, page 67, December 16, 2024

Section 12:68:23:04 - Official tuberculosis tests

The following primary and supplemental diagnostic tests are the official tests approved for use in testing and retesting for tuberculosis in cervidae.

(1) The single cervical tuberculin test is a primary test that may be used in individual captive cervidae and in herds of unknown tuberculosis status. Each captive cervidae that responds to the single cervical tuberculin test must be classified as a suspect until it is retested with the comparative cervical tuberculin test and is either found negative for tuberculosis or is classified as a reactor, unless, with exception of a designated accredited veterinarian, the testing veterinarian determines that the captive cervidae should be classified as a reactor based on its response to the single cervical tuberculin test. A designated accredited veterinarian must classify a responding captive cervidae as a suspect, unless the state veterinarian determines, based on epidemiological evidence, that the captive cervidae should be classified as a reactor. A captive cervidae that responds to the single cervical tuberculin test must not be retested using the dual path platform test;

(2) The single cervical tuberculin test is a primary test that may be used in affected herds and in herds that have received captive cervidae from an affected herd. If used with affected herds or in herds that have received a captive cervidae from an affected herd, the single cervical tuberculin test may only be administered by a veterinarian employed by the state in which the test is administered or employed by USDA. In affected herds or herds that have received captive cervidae from an affected herd, each captive cervidae that responds to the single cervical tuberculin test must be classified as a reactor, unless the state veterinarian determines, based on epidemiological evidence, that the cervidae should be classified as a suspect because of possible exposure to a tuberculous animal;

(3) The dual path platform test is a primary test that may be used in individual captive elk, red deer, whitetailed deer, fallow deer, and reindeer, and in herds of these species that are of unknown tuberculous status. Each captive cervidae that has nonnegative test results to the dual path platform test must be classified as a suspect, unless the state veterinarian determines, based on epidemiological evidence, that the captive cervidae should be classified as a reactor. The cervidae may be retested with the dual path platform test to evaluate a new blood sample drawn from the cervidae no less than 30 days after the first dual path platform test. A captive cervidae that has nonnegative test results on two successive dual path platform tests must be classified as a reactor. A captive cervidae that has nonnegative test results to the dual path platform test may not be retested using the single cervical tuberculin or comparative cervical tuberculin test;

(4) The comparative cervical tuberculin test is a supplemental test that may only be used in order to retest captive cervidae that have been classified as suspects after being tested with the single cervical tuberculin test. The comparative cervical tuberculin test may be used in affected herds only after the herd has tested negative to at least two whole herd single cervical tuberculin tests and only with the prior written consent of the state veterinarian. The comparative cervical tuberculin test may not be used as a primary test. Captive cervidae tested with the comparative cervical tuberculin test are classified as follows:

(A) A captive cervidae tested with the comparative cervical tuberculin test must be classified as negative if it has a response to the bovine purified protein derivative tuberculin that is less than 1 mm;

(B) Unless the testing veterinarian determines that the captive cervidae should be classified as a reactor because of possible exposure to a tuberculous animal, a captive cervidae tested with the comparative cervical tuberculin test must be classified as a suspect if:

(1) It has a response to the bovine purified protein derivative tuberculin that is greater than 2 mm and that is equal to the response to the avian purified protein derivative tuberculin; or

(2) It has a response to the bovine purified protein derivative tuberculin that is equal to or greater than 1 mm and equal to or less than 2 mm and that is equal to or greater than the response to the avian purified protein derivative tuberculin; and

(C) A captive cervidae tested with the comparative cervical tuberculin test must be classified as a reactor if:

(1) It has a response to the bovine purified protein derivative tuberculin that is greater than 2 mm and that is at least 0.5 mm greater than the response to the avian purified protein derivative tuberculin; or

(2) It has been classified as a suspect on two successive comparative cervical tuberculin tests.

Any exceptions to the reactor classification under the conditions in this subsection must be justified by the testing veterinarian in writing and have the concurrence of the state veterinarian.

S.D. Admin. R. 12:68:23:04

21 SDR 162, effective 3/23/1995; 39 SDR 204, effective 6/10/2013; 48 SDR 039, effective 10/4/2021

General Authority: SDCL 40-3-14, 40-5-8.6.

Law Implemented: SDCL 40-3-14, 40-5-8, 40-5-8.2, 40-5-8.4, 40-5-9.