Tonsillar lesions in cattle naturally infected with Mycobacterium bovis
- 6 February 1999
- journal article
- research article
- Published by Wiley in Veterinary Record
- Vol. 144 (6) , 139-142
- https://doi.org/10.1136/vr.144.6.139
Abstract
The upper respiratory tract surfaces, the palatine and pharyngeal tonsils and associated lymph nodes of 32 tuberculin reactor cattle were examined pathologically and bacteriologically. Tuberculous lesions were observed histologically in the palatine tonsils of five animals and in both the palatine and pharyngeal tonsils of a sixth. Mycobacterium bovis was cultured from the tonsils of four of these animals and from the palatine or pharyngeal tonsils of a further eight cattle in which no lesions were observed. The upper respiratory tract surfaces of 10 animals were M bovis-positive.Keywords
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