Augmentation of fertility of Iceland ewes with pregnant-mare serum in successive years.
D000818:Animals; D005260:Female; D005298:Fertility / Q000494:pharmacology*; D006062:Gonadotropins / Q000494:pharmacology*; D006736:Horses; D007055:Iceland; D011247:Pregnancy; D012756:Sheep
D006062:Gonadotropins
FERTILITY/pharmacology; GONADOTROPINS/pharmacology