title: Sociosexual behavior and the ovulatory cycle of ponies (Equus caballus) observed in harem groups.
mesh_terms: D000818:Animals; D003307:Copulation; D004971:Estrus; D005260:Female; D006736:Horses; D008297:Male; D010060:Ovulation; D011247:Pregnancy; D012726:Sexual Behavior, Animal / Q000502:physiology*; D012919:Social Behavior