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Johne's disease

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Johne's disease
a specific, infectious disease of cattle, sheep and goats caused by Mycobacteriumavium subspecies paratuberculosis. In cattle it is characterized by chronic diarrhea and thickening and corrugation of the intestinal wall. In all species there is progressive wasting.
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Thick, transverse rugae in the ileum of a cow with Johne's disease (right) compared with normal ileum (left). By permission from Blowey RW, Weaver AD, Diseases and Disorders of Cattle, Mosby, 1997

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USDA's National Animal Health Monitoring System (NAHMS) will be conducting a 17-state dairy study, looking specifically at contagious mastitis pathogens, Johne's disease, farm biosecurity practices and specific food safety pathogens.
Fish and Game is also worried that the elk might spread Johne's disease - a sometimes fatal illness in animals that causes diarrhea and wasting away - to other parts of the park.
Our goal is to work with UNAM and their research scientists to come up with a nationwide testing and vaccination program that will eventually eradicate Johne's Disease in Mexico.
 
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