title: Infertility in the bull, ram and boar. 2: Infertility associated with normal service behaviour.
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000175:diagnosis / Q000209:etiology*; D007248:Infertility, Male / Q000175:diagnosis / Q000209:etiology / Q000662:veterinary*; D008297:Male; D012726:Sexual Behavior, Animal; D012756:Sheep; D012757:Sheep Diseases / Q000175:diagnosis / Q000209:etiology*; D013552:Swine; D013553:Swine Diseases / Q000175:diagnosis / Q000209:etiology*