CN: 17-23
Species: Ruminant, Bovine
Specimen:
Heart, left papillary muscle
Shown:
Necrotizing and hemorrhagic myocarditis caused by Histophilus somni
Etiology:
Histophilus somni
Clinical Manifestations:
Arthritis, pleuritis, pericarditis, myocarditis and meningoencephalitis
Pneumonia: Cranioventral fibrinous bronchopneumonia with foci of coagulative necrosis
Meningoencephalitis: Multiple foci of hemorrhage and necrosis
Hallmark:
Vasculitis with secondary thrombosis
References:
Jubb, Kennedy and Palmer's Pathology of Domestic Animals
