Abstract:

A presumptive case of vomiting and wasting disease in a swine nucleus herd

Janet E. Alsop, DVM

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An outbreak of vomiting and wasting disease was presumptively diagnosed in a 650-sow genetic nucleus herd in January 2002. Clinical signs included inappetence, coughing, and pyrexia in nursing sows, and vomiting, huddling, and pyrexia in piglets. More than 500 weaned pigs were euthanized because of anorexia and wasting. No clinical signs were observed in gestating sows or in pigs in the finishing barns. The clinical diagnosis was presumptively confirmed by signs in piglets and weaned piglets. However, the cause of the outbreak was not determined, as the herd had been seropositive for hemagglutinating encephalomyelitis virus (HEV) prior to the onset of clinical signs. Since February 18, 2002, there have been no clinical signs of HEV in the herd.

Keywords: hemagglutinating encephalomyelitis virus, vomiting and wasting disease

RIS citationCite as: Alsop JE. A presumptive case of vomiting and wasting disease in a swine nucleus herd. J Swine Health Prod 2006;14(2):97-100.

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