Official tuberculosis tests.

CFR · 2024-01-01 · US · Title 9

(a) (ii) The SCT test is a primary test that may be used in affected herds and in herds that have received captive cervids from an affected herd. When used with affected herds or in herds that have received a captive cervid from an affected herd, the SCT 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 cervids from an affected herd, each captive cervid that responds to the SCT test must be classified as a reactor, unless APHIS determines, based on epidemiological evidence, that the cervid should be classified as a suspect because of possible exposure to a tuberculous animal. (2) (ii) The DPP® test is a primary test that may be used in affected herds of captive elk, red deer, white-tailed deer, fallow deer, and reindeer, and in herds of these species that have received captive cervids from an affected herd. In such herds, each captive cervid that has non-negative test results to the DPP® test will be classified as a reactor, unless APHIS determines that the captive cervid should be classified as a suspect because of possible exposure to a tuberculous animal. (b) (ii) A captive cervid tested with the CCT test must be classified as negative if it has a response to the bovine PPD tuberculin that is less than 1 mm. (iii) Unless the testing veterinarian determines that the captive cervid should be classified as a reactor because of possible exposure to a

official document · source cfr-2024 · id 9:§ 77.34