Testicular changes as affected by mating systems in beef cattle.
D000818:Animals; D002417:Cattle / Q000502:physiology*; D007178:Inbreeding; D008297:Male; D012661:Semen; D012669:Seminal Vesicles / Q000002:abnormalities* / Q000033:anatomy & histology; D013094:Spermatozoa; D013737:Testis / Q000002:abnormalities* / Q000473:pathology