title: Threshold of plasma testosterone required for normal mating activity in male sheep.
mesh_terms: D000818:Animals; D002369:Castration; D003307:Copulation / Q000502:physiology; D004305:Dose-Response Relationship, Drug; D008297:Male; D012726:Sexual Behavior, Animal / Q000502:physiology*; D012756:Sheep; D013739:Testosterone / Q000008:administration & dosage / Q000097:blood*
chemical_list: D013739:Testosterone