| 奶牛胎衣不下发病机理研究进展 |
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| 引用本文： | 周帮会,王凤霞.奶牛胎衣不下发病机理研究进展[J].动物医学进展,2008,29(6). |
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| 作者姓名： | 周帮会 王凤霞 |
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| 作者单位： | 河北农业大学中兽医学院,河北定州,073000 |
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| 基金项目： | 河北省畜牧兽医局科技项目 |
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| 摘 要： | 奶牛胎衣在产后12h内应排出体外,未排出者称之为胎衣不下。奶牛胎衣不下已成为影响奶牛繁殖的主要疾病之一,其发病机理十分复杂。奶牛胎衣不下的发生与奶牛产后子宫收缩无力、胎盘组织结构发生异常、围产期营养代谢紊乱、生殖内分泌激素紊乱、机体免疫状态失调等关系密切。文章对奶牛胎衣不下的发病机制进行了综述,供同仁参考。
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| 关 键 词： | 奶牛 胎衣不下 发病机理 |
Advance in Pathogenesis of Placental Retention in Dairy Cows |
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| ZHOU Bang-hui,WANG Feng-xia.Advance in Pathogenesis of Placental Retention in Dairy Cows[J].Progress In Veterinary Medicine,2008,29(6). |
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| Authors: | ZHOU Bang-hui WANG Feng-xia |
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| Abstract: | Generally speaking,the fetal membranes of the health dairy cows should be discharged in 12 h postpartumrition,the others can't be discharged in 12 h is named placental retention. Placental retention has been one of the most serious diseases that can influence the dairy cows' reproduction.The pathogenesis is very complex. The main reasons of placental retention in dairy cow are weak uterus contraction,abnormal placental structure,perinatal nutritional metabolic turbulence,reproductive endocrine disorder,immune state maladjustment,etc.This article has summarized the pathogenesis of the placental retention. |
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| Keywords: | dairy cows placental retention pathogenesis |
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