| sequence analyses of the representative chinese-prevalent strain of avian nephritis virus in healthy chicken flocks. | avian nephritis virus (anv), which belongs to the astroviridae family, has been associated with acute nephritis in chickens. cases of anv infection have been recorded in japan and in several european countries. however, related studies have never been performed in china. thus, this study isolated anv in chinese chicken flocks. anv rna was detected by reverse transcription-pcr in stool samples collected from healthy layer chickens in the sichuan province of china in 2009. of the 192 stool specime ... | 2011 | 21500638 |