近年來，新疆南疆地區開(kāi)始引進(jìn)國(gu雜近ó)外安格斯肉牛養殖。爲了解該地區集約化安格斯肉牛繁山跳育場的主要疫病流行現狀和存在的生物安全紅熱問題，采用現場調查、問卷調查和實驗室檢測相結合的方式，對(duì)新疆喀那雨什地區4個大中型集約化安格斯肉牛繁育場進(jì妹秒n)行了調查。結果顯示：4個牧場安格斯肉牛表現的臨床症狀主新西要是腹瀉，其次是肺炎；導緻犢牛時你腹瀉的病毒性病原主要是牛冠狀病毒（化聽BCV）、牛諾如病毒（BNoV），陽性檢出率分到嗎别爲19.93%、15.20%，導緻肺炎的主要是牛傳染性鼻歌鐘氣管炎病毒（IBRV）、牛腺病毒3型（BAV-3），陽性檢出率分别爲照線28.24%、14.12%。4個牧場在防疫設施設備建你匠設、消毒制度落實、人流物流管控、規章制度建設以及飼養管理、鼠害蠅害防妹美控和無害化處理等生物安全方面(miàn)均存在不線時同程度的隐患。結果提示，南疆地區技紙安格斯肉牛繁育場要加強BCV、BN照區oV、IBRV、BAV-3等病毒感染木影的防控，通過(guò)加強免疫，降低牛群腹瀉和肺炎的發(fā)病率，通過這資(guò)嚴格生物安全控制，防女師止外部病原傳入。本調查爲南疆地區國(guó)外引影拿進(jìn)安格斯肉牛的動物疫病防控提供了依據。
Investigation on Major Clinica吃上l Symptoms and Bi器得osafety in Some Intensive Beef Cattl照動e Farms in Southern Xinjiang
In recent years，Angus beef catt黃近le have been impor又知ted into Southe務現rn Xinjiang for breeding. In order 影去to identify the epidem答大ic status of ma些拍jor animal dise跳去ases and current biosafet鐘看y problems in intensive farms請間 in the region，four large and可習 medium-sized intens市體ive farms in Kashi region were i年訊nvestigated by means of f弟答ield interview，questionna術議ire investigation and laboratory test見靜. The results showed姐內 that the main clin請黃ical symptoms of the catt知輛le included diarrhea，fol我見lowed by pneumo裡家nia；the main viral patho朋看gens causing calves diarrhea were bovin劇還e coronavirus（BCV）了朋and bovine norovirus（BNoV），with p樂司ositive detection rates of 1空廠9.93% and 15.20% respe明時ctively. Pneumonia was mainly caused by什公 bovine infectious 商謝rhinotracheitis virus（IBRV）a高算nd bovine adenovirus type 3（BAV-3司現），with positive detection r商討ates of 28.24% and 1鐘道4.12% respectively. Potenti答制al dangers to different extent were f月長ound in the con朋對struction of disease pre電票vention facilities and equipme員喝nt，implementation of d志校isinfection system，management and mov新著ement control of persons 能多and materials，development 上外of rules and regulat問小ions，feeding ma他冷nagement，prevent個老ion and control of rode雨鐵nts and flies as well as biosafe學車ty disposal in the four業船 farms. In conclusion，BCV，BNoV，IBRV，一習BAV-3 and other viruses sh謝視ould be strictly 數都controlled in the farms，the inciden站票ce rate of diarrhea 器黃and pneumonia should be reduced by高笑 strengthening immunization，an師輛d any external pathogens should be a嗎他voided by strict b吧車iological safety control. A basis was笑作 thus provided fo月數r future prevention and control of an離問imal diseases of還章 Angus beef cattle imported to the r村報egion.
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