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Goat Paratuberculosis in Chile: First Isolation and Confirmation of Mycobacterium Avium Subspecies Paratuberculosis Infection in a Dairy Goat

2006; SAGE Publishing; Volume: 18; Issue: 5 Linguagem: Inglês

10.1177/104063870601800510

1943-4936

J. Kruze, Miguel Salgado, Enrique Paredes, A. Mella, Michael T. Collins,

Tuberculosis Research and Epidemiology

In October 2004, 41 goats >2 years old from a Saanen dairy goat herd located in Purranque County, 10th Region, Chile, were sampled and tested for paratuberculosis. While collecting samples it was observed that several goats were thin and emaciated. One goat was sufficiently debilitated to warrant humane euthanasia. This animal was brought to the Veterinary School at the Universidad Austral de Chile for necropsy. The goat selected for necropsy was a 12-year-old doe. The animal showed classical clinical signs of caprine paratuberculosis: emaciation despite willingness to eat, dry and rough hair coat, and no evidence of diarrhea. Gross pathology and histopathology of the necropsied goat were consistent with paucibacillary paratuberculosis. Bacteriology, serology, and PCR confirmed the diagnosis. This is the first published report of goat paratuberculosis in Chile confirming a case of caprine paucibacillary paratuberculosis.