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KMID : 0613820090190121847
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Journal of Life Science
2009 Volume.19 No. 12 p.1847 ~ p.1850
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Bovine Tuberculosis of Korean Native Cattle in an Abattoir
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Jang Seong-Jun
Do Sun-Hee
Ki Mi-Ran
Hong Il-Hwa
Park Jin-Kyu
Ji Ae-Ri
Jeong Kyu-Shik
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Abstract
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Bovine tuberculosis is generally detected postmortem because it is a chronic debilitating disease. Since tuberculosis is mainly found in the lungs, clinical signs including coughing, nasal discharge, and difficulty breathing can occur in severe instances. In the present study, specimens were collected from the heart, liver, kidney, lung, pleural cavities, lymph nodes and intestines of carcasses found in an abattoir. According to post-mortem examination and inspection of carcasses, tuberculosis lesions were varied in appearance and size. Tubercles of a white cream color were disseminated throughout the pleural cavity including the lymph nodes, lungs and mesentery containing pus. Gram and Ziehl-Neelsen’s acid-fast staining for the lung and lymph nodes revealed a highly positive histochemical reaction. The acid-fast organisms were observed histologically in the lesions under a microscope. This report demonstrated the histopathology of bovine tuberculosis based on the histological findings of Mycobacterium bovis, which is a suspected causative agent.
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KEYWORD
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Abattoir, bovine tuberculosis, Ziehl-Neelsen’s acid fast staining, granuloma, Korean native cattle, M. bovis
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