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Bovine tuberculosis is a major health problem in Brazil. The intradermal tuberculin test is the standard test for its detection, but it can lack both sensitivity and specificity. The purpose of this study was to evaluate a bovine enzyme-linked immunosorbent assay- (ELISA - PPD) under field conditions in Brazil. A total of 1632 animals from 13 dairy farms were tested with the intradermal tuberculin...
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