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Outbreak of bovine tuberculosis featuring anergy to the skin test, udder lesions and milkborne disease in young calves
Author(s) -
Houlihan M. G.,
Dixon F. W.,
Page N. A.
Publication year - 2008
Publication title -
veterinary record
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.261
H-Index - 99
eISSN - 2042-7670
pISSN - 0042-4900
DOI - 10.1136/vr.163.12.357
Subject(s) - outbreak , tuberculin , culling , herd , udder , veterinary medicine , bovine tuberculosis , tuberculosis , medicine , mycobacterium bovis , disease , interferon gamma , biology , virology , immunology , mastitis , pathology , mycobacterium tuberculosis , cytokine
A severe outbreak of bovine tuberculosis in a 1300‐head, multisite dairy herd in Great Britain had several unusual features, including anergy to the tuberculin skin test, milkborne disease in calves and a farm cat, and a risk of human infection. The outbreak was controlled by culling 221 cattle over 15 months, by using the γ‐interferon (γ‐ ifn ) test and by the examination of milk samples. The γ‐ ifn test detected infected animals that were not detected by the skin test.