通过对甘肃省定西市近十年来牛主要疫病疫情资料的汇总分析,结合实验室检测以及对全市牛饲养、疫病发生等情况的调查,初步了解当前严重危害定西市牛养殖业的主要疫病及其发病情况和影响因素.调查结果显示,近十年来在定西市由牛病毒性腹泻造成的牛病死量较高,牛布鲁氏菌病、牛结核病和牛炭疽造成的经济损失较大.实验室检测未发现牛口蹄疫和牛结核病,发现牛衣原体病和弓形虫病的病原学阳性率较高,分别为9.80%和2.60%.调查发现,引起定西市牛疫病的主要因素是牲畜引进,引起寄生虫病的主要是食入被幼虫污染的饲草.提示应采取"分区域、分策略、抓重点、强体系"的综合防治措施,以降低牛主要疫病的发生风险,促进本地牛养殖业健康持续发展.%Based on the summary analysis of epidemic data of major bovine diseases in Dingxi City of Gansu Province in recent ten years and certain laboratory tests and surveys,a preliminary understanding of the major diseases,and relative risk factors were obtained. The results showed that,in the past ten years in Dingxi City,the amount of cattle died from Bovine viral diarrhea was large,and economic loss caused by cattle Brucellosis,bovine Tuberculosis and cattle Anthrax was big. According to laboratory tests,Foot-and-mouth disease and bovine Tuberculosis weren't detected,the serological positive rates of Bovine chlamydia and Toxoplasmosis were higher,which were 9.80% and 2.60% respectively. The survey found that the main cause of cattle diseases in Dingxi City was the introduction of livestock and eating forage contaminated by parasitic larva. At last,in order to decrease the occurrence risk of cattle disease and to promote the healthy and sustainable development of cattle and sheep production industry,comprehensive prevention and control measure of "dividing the regions,dividing strategies,focusing on key points and strengthening the system" were put forward.
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