Probable malignant catarrhal fever presented as transient generalised crusting dermatitis in a cow

Munday, J.S., French, A.F., Smith, A., Wang, J., and Squires, R.A. (2008) Probable malignant catarrhal fever presented as transient generalised crusting dermatitis in a cow. New Zealand Veterinary Journal, 56 (2). pp. 89-93.

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CASE HISTORY: A 2-year-old crossbred cow developed crusting ulcerative lesions that covered approximately 40% of the body. They were first observed 2 weeks after the cow calved, and were most severe over the caudal aspect of the proximal hindlegs and perineum.

CLINICAL FINDINGS AND DIAGNOSIS: Generalised variably confluent 1–2-cm diameter foci of ulceration and crusting were visible. No ocular or oral lesions were visible, and the cow did not have diarrhoea. Skin biopsies revealed lesions consistent with those previously described for malignant catarrhal fever (MCF). Additionally, prominent multinucleate cells were visible. The DNA for ovine herpesvirus type 2 (OHV-2) was amplified from the skin biopsies, using PCR. The cow spontaneously made a complete clinical recovery.

CLINICAL RELEVANCE: Malignant catarrhal fever should be considered in cases of ulcerative skin disease in cattle. The disease is difficult to diagnose, and a combination of skin histology as well as PCR is required. Although probably rare, it appears complete recovery from MCF is possible when the disease is confined to the skin.

Item ID: 6963
Item Type: Article (Research - C1)
ISSN: 1176-0710
Keywords: herpesvirus; rhadino-virus; bovine; dermatology; malignant catarrhal fever
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Date Deposited: 23 Mar 2010 02:53
FoR Codes: 07 AGRICULTURAL AND VETERINARY SCIENCES > 0707 Veterinary Sciences > 070706 Veterinary Medicine @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970107 Expanding Knowledge in the Agricultural and Veterinary Sciences @ 100%
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