牛产后不发情的繁殖机理及影响因素

Mechamism and Factors During Postpartum Anestrus in Bovine

为了缩短分娩到发情、再次受胎的间隔,提高牛的繁殖效率,国内外,尤其是国外,对牛的产后不发情期进行了大量的研究。本文就牛产后期的繁殖机制和影响因素进行了综述,以便根据实际情况,设计缩短分娩到发情、再次受胎间隔的方案。

It was reviewed on the research progress about postpartum anestrus in Cattle,which mainly involved the mechanism and factors during postpartum anestrus ,in order to shorten the calving intervals.