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Detection and molecular phylogenetic analysis of chicken astrovirus in Saga prefecture, Japan

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Abstract

We detected three chicken astrovirus strains in 4-day-old broiler chickens with high mortality and visceral gout and one strain from 150-day-old hens without clinical symptoms in Saga prefecture, Japan. Phylogenetic analysis based on ORF2 amino acid sequences revealed that the strains from the visceral gout cases belonged to subgroup Bi, and the strain from hens without clinical symptoms belonged to subgroup Aiii. Our study showed that CAstV had infiltrated into Saga prefecture, Japan. This is the first report of CAstV in Japan.

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Correspondence to Osamu Okamoto.

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Okamoto, O., Hirano, S., Miyoshi, H. et al. Detection and molecular phylogenetic analysis of chicken astrovirus in Saga prefecture, Japan. Arch Virol 167, 1449–1453 (2022). https://doi.org/10.1007/s00705-022-05436-4

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  • DOI: https://doi.org/10.1007/s00705-022-05436-4

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