Fatal Winter Dysentery with Severe Anemia in An Adult Cow
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概要
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An adult dairy cow fatally affected with winter dysentery was investigated pathologically and virologically. The cow had severe anemia and diarrhea with massive blood. Pathologically, the loss of surface epithelial cells and necrosis of crypt epithelial cells in the large intestine were observed. Bovine coronavirus (BCV) antigen was observed in necrotic crypt epithelial cells of the large intestine. Virus particles were found in the necrotic epithelial cells of the large intestine. Virologically, BCV was isolated from the feces of the dead cow. The dead cow had no serum antibody against BCV although the co-habitants did. These suggest that severe infection of BCV in the cow without the BCV antibody accompanied by severe hemorrhagic anemia resulted in the cow's death.<br>
著者
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Yamada Manabu
National Institute of Animal Health
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Nakamura Kikuyasu
National Inst. Animal Health Ibaraki
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GOTO Keiichi
Fukuoka Chuo Livestock Hygiene Service Center
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SHIRAKAWA Hitomi
Fukuoka Chuo Livestock Hygiene Service Center
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UCHINUNO Yukinori
Fukuoka Chuo Livestock Hygiene Service Center
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UCHINUNO Yukinori
Fukuoka Kitakyushu Livestock Hygiene Services Center
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NATSUAKI Sumiko
Fukuoka Kitakyushu Livestock Hygiene Services Center
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UEO Hiroshi
Fukuoka Kitakyushu Livestock Hygiene Services Center
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KOMORI Toshihiro
Fukuoka Kitakyushu Livestock Hygiene Services Center
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