Pathological conditions in old bulls with impaired fertility.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases; D005298:Fertility; D005835:Genitalia; D005837:Genitalia, Male / Q000473:pathology*; D007246:Infertility; D007248:Infertility, Male; D008297:Male
CATTLE/diseases; GENITALIA, MALE/pathology; STERILITY, MALE