A vet carries out a Bovine TB test on beef cattle. The... - Paul Box, PB1106125.jpg

A vet carries out a Bovine TB test on beef cattle. The comparative intradermal tuberculin test with bovine and avian tuberculin is used mainly to differentiate between animals infected with M. bovis and those sensitised to tuberculin due to exposure to other mycobacteria or related genera. Delayed hypersensitivity test: This test is the standard method for detection of bovine tuberculosis. It involves measuring skin thickness, injecting bovine tuberculin intradermally into the measured area and measuring any subsequent swelling at the site of injection 72 hours later. - Paul Box - 2009-07-27
 
 
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