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作 者:邵华斌[1] 杨峻[1] 黎秋华[1] 刘泽文[1] 钱纪元[1]
机构地区:[1]湖北省农业科学院畜牧兽医研究所,武汉430209
出 处:《湖北畜牧兽医》1998年第3期3-6,共4页Hubei Journal of Animal and Veterinary Sciences
摘 要:该试验调查了湖北省集约化鸡场1992-1996年大肠杆菌病流行情况,共调查29个鸡场136810只发病鸡群,共有36165只鸡发病,发病率为26.43%,共死亡11908只鸡,死亡率为8.7%,最高死亡率为34%,最低死亡率1.7%,主要表现症状为:雏鸡败血症和与其它病混合杂;青年鸡呼吸道症状、关节炎、肠炎、全眼球炎;成年鸡腹膜炎、卵巢炎以及肠系膜、盲肠等处肉芽肿。共分离出18株鸡大肠杆菌。:Escherichia Coli of intensive chicken farm was investigated in Hubei province from1992 to 1996. 29 chicken farms (totalled 136810 chickens)were investigated and 36165 chick-ens were ill, morbidity was 26. 43% ,11908 chickens were died and mortality was 8. 7%. Thehighest mortality was 34% and the least was 1.7%. The main clinical sigas:Chicklings ex-pressed septicemia and other dieses infected mixturely; young chickens showed respiratorytract signs, arthitis, enteritis and inflammation of egeball; adult chickens expressed peritoni-tis, oophoritis and granulomas of mesentery and cecum. Eighteen strains of E. coli were iso-lated. They belonged to serotype O78、O2 and O1,they occupied 38. 8%, 16. 7% and 11% sepa-rately. They were cultivated in broth, then inoculated little white mice and 4-old-day chick-ens, half of the little mice died in 48 hours and 30% of the chickens died in a week. Other chickens alive could be seen typical E. coli signs.
分 类 号:S858.316.4[农业科学—临床兽医学]
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