title: Isolation of Mycobacterium bovis from the prepuce of a herd bull.
abstract: A tuberculous lesion was found in the prepuce of a 5-year-old tuberculin-positive herd bull at necropsy. Microscopic examination revealed granulomas with Langhans'-type giant cells; Mycobacterium bovis was isolated. The bull had been used in artificial insemination procedures and for natural breeding.
mesh_terms: D000818:Animals; D002417:Cattle; D008297:Male; D009163:Mycobacterium bovis / Q000302:isolation & purification*; D010413:Penis / Q000382:microbiology* / Q000473:pathology; D014380:Tuberculosis, Bovine / Q000382:microbiology* / Q000473:pathology