摘要
奶牛不孕是困扰奶业发展的世界性难题之一。常造成奶牛不妊娠或情期延迟,使母牛不能正常繁殖,甚至部分奶牛失去饲养价值,给养牛业造成了巨大的经济损失。本文对卵巢囊肿、持久黄体、卵巢静止、卵巢萎缩、幼稚型卵巢和子宫内膜炎等常见不孕症的发病原因、机理和防治方法进了综述。
Milk cow dysgenesia is to perplex one of the world difficult problem that the dairy develops. Often bringing about milk cow acyesis or feeling scheduled time deferring, makes a cow can not breed regularly , even, the part milk cow loses raise farm value but is forced to be sifted out, provisions the cattle job has brought about gigantic economic losses. The main body of a book the cyst , enduring metoarion, ovary have been motionless , common barrenness morbidity cause mechanism and prevention and cure method such as shrink , childish ovary type ovary and womb inner film imflammation has moved forward to ovary sum up.
出处
《中国牛业科学》
2008年第6期47-49,共3页
China Cattle Science
关键词
奶牛
不孕症
概述
Milk cow
Barrenness
Summarize