The Action Mechanism of Progesterone and Its Application in the Diagnosis of Early Pregnancy in Cattle
Timely and accurate early pregnancy diagnosis of breeding cattle can improve the reproductive efficiency,increase milk production,reduce feeding and management costs,and thus enhance the economic benefits of the cattle farms.Progesterone promotes embryo implantation by stimulating the secretion of endometrial glands and inhibiting uterine muscle contraction,and is the most important steroid hormone for maintaining early pregnancy.Therefore,this article focuses on the source of progesterone,the function of receptor structure,the pathway of action,the immune tolerance effect in early pregnancy,and the application in early pregnancy diagnosis of cattle,intends to provide technical references for improving the efficiency of cattle breeding and promoting the revitalization of the breeding industry.
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