Mycobacterium bovis detection in slaughtered pigs in the state of Rio Grande do Sul, Brazil

The infection by the Mycobacterium genus is important in pig farming due to economic losses caused total or partial carcass condemnation slaughterhouses. present study investigated occurrence of a tuberculosis outbreak pigs, based on identification lesions at slaughter line slaughterhouse. At inspection slaughterhouse, carcasses were identified with viscera containing macroscopic that indicated (granulomatous lymphadenitis). Tracheobronchial, mesenteric, and submandibular lymph nodes collected, as well liver samples their corresponding nodes. sent Federal Agricultural Defense Laboratory (LFDA/RS) processed for diagnosis molecular characterization bovis. Based results post-mortem laboratory inspections, was characterized which originated from farm state Rio Grande do Sul, Brazil. Over three months, batches, adding up 2884 animals, slaughter, 102 (3.5%) had tuberculosis-like line. these results, productive process investigated, assessing feeding, water supply, milk whey offered diet pigs. It concluded feeding unpasteurized inadequately pasteurized (insufficient time x temperature relation) use cheese production frequent practice Sul one risk factors granulomatous lymphadenitis