【摘要】 随着中国奶牛养殖业的规模扩大,奶牛流产病例呈上升趋势。目前,奶牛流产已成为奶牛生产中危害较大的问题之一。流产可影响奶牛的泌乳性能、繁殖性能、牛群健康和使用年限,造成巨大的经济损失。某些引起奶牛流产的病原微生物是重要的人畜共患病原,严重威胁公共卫生安全,对公众和职业人群有巨大危害。因此,有效控制奶牛流产性疾病对奶牛生产和公共卫生安全都极其重要。更多还原

【Abstract】 The number of abortions in dairy cattle has an increasing trend along with the scale enlargement of dairy industry in China.Dairy abortion has become one of the larger issues of harm at present.Abortion may affect milk performance,reproductive performance,cattle herd health and service life with causing great economic loss at the same time.Some abortion caused by pathogenic microorganisms are important zoonosis,with which are threatened public health and safety seriously,are harmful to the public and the occupation groups.Therefore,it is important for dairy cattle production and public health security to control abortion diseases effectively.更多还原