genetic characterization of astroviruses detected in guinea fowl (numida meleagris) reveals a distinct genotype and suggests cross-species transmission between turkey and guinea fowl.astroviruses can infect mammalian and avian species and are often responsible for gastroenteric disease symptoms. in this study, the complete open reading frame (orf) 2, the 3' end of orf1b and the corresponding intergenic region of astroviruses identified in farmed guinea fowl (numida meleagris) were sequenced and genetically analysed. overall, the genetic sequence of guinea fowl astroviruses was related to turkey astrovirus type 2 (tastv2), although a marked genetic distance was revealed based ...201222527867
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