Article
Pathogenesis of plaque variants of porcine reproductive and respiratory syndrome virus in pregnant sows.
American journal of veterinary research - 1 Mar 1996
Park B K, Yoon I J, Joo H S
Abstract excerpt
OBJECTIVE: To determine whether porcine reproductive and respiratory syndrome virus plaque variants vary in their pathogenicity in causing late-term reproductive failure. DESIGN: Four groups of 2 sows each at 86 days of gestation were inoculated intranasally with PRRSV small (MN-Hs) and large (MN-HI) plaque variants, field isolate, and cell culture medium, respectively. In addition, 2 sows each at 86 days of...
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