Division 2.2.5.3.2 Intradermal comparative test for the establishment and maintenance of officially tuberculosis-free herd status:F1F2
United Kingdom
- (a)
positive: a positive bovine reaction which is more than 4 mm greater than the avian reaction, or the presence of clinical signs;
- (b)
inconclusive: a positive or inconclusive bovine reaction which is from 1 to 4 mm greater than the avian reaction, and the absence of clinical signs;
- (c)
negative: a negative bovine reaction, or a positive or inconclusive bovine reaction but which is equal to or less than a positive or inconclusive avian reaction and the absence of clinical signs in both cases.
Animals inconclusive to the intradermal comparative test shall be subjected to another test after a minimum of 42 days. Animals, which are not negative to this second test, shall be deemed to be positive to the test.