Investigation of the Role of Bovine Virus Diarrhea Virus and Mycoplasma Bovis in Chronic Pneumonia in Feedlot Cattle:
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Total Pages | : 19 |
Release | : 2000 |
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Recently, multiple-source feedlots in the Canadian prairie region have experienced many cases of antibiotic-resistant pneumonia, sometimes in association with fibrinous polyarthritis. This report describes an investigation of 187 cases of cattle with a history suggestive of that syndrome, using histopathology, microbiology, and immunohistochemistry to determine the frequency of occurrence of Mycoplasma bovis, bovine virus diarrhoea virus, and Hameophilus somnus in animal tissues. The findings suggest an association between two of the agents investigated in the pathogenesis of this syndrome.