Coital behavior in dogs. VI. Long-term effects of castration upon mating in the male.
D000818:Animals; D002369:Castration; D003307:Copulation; D004285:Dogs; D005260:Female; D008297:Male; D010413:Penis / Q000254:growth & development; D012726:Sexual Behavior, Animal / Q000187:drug effects; D013739:Testosterone / Q000494:pharmacology; D013997:Time Factors
D013739:Testosterone