Ruminant, Bovine: Larynx. Necrotizing laryngitis caused by Histophilus somni.

Ruminant, Bovine: Stifle joint. Fibrinosuppurative arthritis caused by Histophilus somni.

Ruminant, Bovine: Brain. Thrombotic meningoencephalitis caused by Histophilus somni.

Ruminant, Bovine: Heart, left papillary muscle. Necrotizing and hemorrhagic myocarditis caused by Histophilus somni.