title: Pathogenesis of BVD virus infection in adult bulls, a factor in production of BVD virus free semen.
mesh_terms: D000818:Animals; D001912:Bovine Virus Diarrhea-Mucosal Disease / Q000382:microbiology*; D002417:Cattle; D002418:Cattle Diseases / Q000382:microbiology*; D005298:Fertility; D008297:Male; D012661:Semen / Q000382:microbiology*