Journal
VETERINARY PATHOLOGY
Volume 46, Issue 1, Pages 71-74Publisher
AMER COLL VET PATHOLOGIST
DOI: 10.1354/vp.46-1-71
Keywords
Cattle; Chromobacterium; histopathology; sepsis
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Chromobacterium violaceum infections are highly fatal and rarely reported ill domestic animals. This report describes a fatal case of C. violaceum septicemia in a 7-day-old female beef calf. The calf had necrosuppurative omphalophlebitis, necrotizing interstitial pneumonia, necrosuppurative hepatitis and splenitis, anterior uveitis With hypopyon, Suppurative polyarthritis, and disseminated hemorrhagic meningitis With multifocal necrotizing encephalitis. Histologically, Clusters of negative bacilli Were Found in many of the lesions. C. violaceum Was isolated ill high numbers from the lungs, liver, Spleen. carpus, and in pure Culture from the cerebrospinal fluid. To Our knowledge. this is the first case report of chromobacteriosis in a calf.
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