Concentrations of Progesterone (P(4)), Anti-Müllerian Hormone (AMH), and Haptoglobin (Hp) in Pregnant and Non-Pregnant Ewes and Their Association with Fetal Mortality, Maternal Weight, and Twinning Rate.

妊娠母羊和非妊娠母羊体内孕酮（P(4)）、抗苗勒氏管激素（AMH）和触珠蛋白（Hp）的浓度及其与胎儿死亡率、母体体重和双胎率的关系