Factors influencing pregnant mare serum gonadotrophin production.
D000818:Animals; D005260:Female; D005865:Gestational Age; D006064:Gonadotropins, Equine / Q000097:blood*; D006736:Horses; D006824:Hybridization, Genetic; D010527:Perissodactyla; D011247:Pregnancy; D011270:Pregnancy, Animal
D006064:Gonadotropins, Equine