Article
Pathogenicity of <i>Ssp</i>I-positive infectious bursal disease virus and molecular characterization of the VP2 hypervariable region
1 Aug 2001
Abstract excerpt
The pathogenicity of four isolates of infectious bursal disease virus (IBDV) that have restriction fragment length polymorphism patterns of very virulent IBDV (vvIBDV), based on the presence of SspI and TaqI sites in the VP2 hypervariable region, was studied in specific pathogen free chickens. Chickens inoculated with isolates 92/04, 94/B551 and 97/61 developed severe clinical signs with a high mortality ranging...
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