新疆南疆地区部分集约化肉牛繁育场主要临床病症和生物安全调查
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S851.3

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新疆维吾尔自治区乡村振兴产业发展科技行动项目(2020NC001);新疆维吾尔自治区自然科学基金项目(2019D01A58);新疆维吾尔自治区科技计划项目(2021A02003)


Investigation on Major Clinical Symptoms and Biosafety in Some Intensive Beef Cattle Farms in Southern Xinjiang
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    摘要:

    近年来,新疆南疆地区开始引进国外安格斯肉牛养殖。为了解该地区集约化安格斯肉牛繁育场的主要疫病流行现状和存在的生物安全问题,采用现场调查、问卷调查和实验室检测相结合的方式,对新疆喀什地区4个大中型集约化安格斯肉牛繁育场进行了调查。结果显示:4个牧场安格斯肉牛表现的临床症状主要是腹泻,其次是肺炎;导致犊牛腹泻的病毒性病原主要是牛冠状病毒(BCV)、牛诺如病毒(BNoV),阳性检出率分别为19.93%、15.20%,导致肺炎的主要是牛传染性鼻气管炎病毒(IBRV)、牛腺病毒3型(BAV-3),阳性检出率分别为28.24%、14.12%。4个牧场在防疫设施设备建设、消毒制度落实、人流物流管控、规章制度建设以及饲养管理、鼠害蝇害防控和无害化处理等生物安全方面均存在不同程度的隐患。结果提示,南疆地区安格斯肉牛繁育场要加强BCV、BNoV、IBRV、BAV-3等病毒感染的防控,通过加强免疫,降低牛群腹泻和肺炎的发病率,通过严格生物安全控制,防止外部病原传入。本调查为南疆地区国外引进安格斯肉牛的动物疫病防控提供了依据。

    Abstract:

    In recent years,Angus beef cattle have been imported into Southern Xinjiang for breeding. In order to identify the epidemic status of major animal diseases and current biosafety problems in intensive farms in the region,four large and medium-sized intensive farms in Kashi region were investigated by means of field interview,questionnaire investigation and laboratory test. The results showed that the main clinical symptoms of the cattle included diarrhea,followed by pneumonia;the main viral pathogens causing calves diarrhea were bovine coronavirus(BCV)and bovine norovirus(BNoV),with positive detection rates of 19.93% and 15.20% respectively. Pneumonia was mainly caused by bovine infectious rhinotracheitis virus(IBRV)and bovine adenovirus type 3(BAV-3),with positive detection rates of 28.24% and 14.12% respectively. Potential dangers to different extent were found in the construction of disease prevention facilities and equipment,implementation of disinfection system,management and movement control of persons and materials,development of rules and regulations,feeding management,prevention and control of rodents and flies as well as biosafety disposal in the four farms. In conclusion,BCV,BNoV,IBRV,BAV-3 and other viruses should be strictly controlled in the farms,the incidence rate of diarrhea and pneumonia should be reduced by strengthening immunization,and any external pathogens should be avoided by strict biological safety control. A basis was thus provided for future prevention and control of animal diseases of Angus beef cattle imported to the region.

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王凡,马雪连,孙亚伟,陈卓,吾买尔江·牙合甫,陈玉珠,冯梦迪,吴静,易鹏飞,杨朝辉,夏利宁,钟旗,姚刚.新疆南疆地区部分集约化肉牛繁育场主要临床病症和生物安全调查[J].《中国动物检疫》编辑部,2022,39(7):22-38.

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  • 在线发布日期: 2022-07-04
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