Pathogenicity of a low-virulence duck virus enteritis isolate with apparent immunosuppressive ability.

Abstract

Duck enteritis virus (DEV) was isolated from commercial 2-to-6-wk-old white Pekin ducks experiencing 25%-30% mortality and high morbidity. Secondary infections with Pasteurella multocida, Riemerella anatipestifer, and Escherichia coli were frequently seen in affected ducks. The isolated virus was identical to the prototype DEV by virus neutralization test… (More)

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