Research Progress on the Impact of Human Chorionic Gonadotropin on Reproductive Performance in Sows.

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    • Abstract:
      Simple Summary: Human chorionic gonadotropin is a glycoprotein hormone produced by human or humanoid syncytiotrophoblast cells differentiated during pregnancy. It functions similarly to luteinizing hormone, assisting in ovulation synchronization and supporting early pregnancy in sows by promoting follicular maturation, corpus luteum function, and embryo implantation. When administered to sows, human chorionic gonadotropin can improve conception rates, embryo implantation success, and overall reproductive performance. This review mainly summarizes the role of human chorionic gonadotropin in sow reproductive management and its application prospects. Human chorionic gonadotropin is a glycoprotein hormone produced by human or humanoid syncytiotrophoblasts that differentiate during pregnancy. Due to its superior stability and long-lasting effects compared to luteinizing hormone, it is often used to replace luteinizing hormone to regulate reproductive performance in sows. Human chorionic gonadotropin promotes oocyte maturation, follicle development, and luteinization, thereby increasing conception rates and supporting early embryonic development. In sow reproductive management, the application of human chorionic gonadotropin not only enhances ovulation synchrony but also improves the success rate of embryo implantation by regulating endometrial receptivity and immune mechanisms, significantly enhancing overall reproductive performance. This article primarily reviews the application of human chorionic gonadotropin in sow follicle development, luteal maintenance, and embryo implantation, providing theoretical support for its use in improving reproductive performance in sows. [ABSTRACT FROM AUTHOR]
    • Abstract:
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