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. 2020 Mar;67(2):1019-1024.
doi: 10.1111/tbed.13418. Epub 2019 Dec 1.

First report of a novel goose astrovirus outbreak in Cherry Valley ducklings in China

Hao Chen  1   2 , Bin Zhang  3 , Min Yan  1 , Youxiang Diao  2 , Yi Tang  2
Affiliations

First report of a novel goose astrovirus outbreak in Cherry Valley ducklings in China

Hao Chen et al. Transbound Emerg Dis. 2020 Mar.

Abstract

A highly acute disease broke out in ducklings in Shandong Province in March 2019. The disease was characterized as visceral gout, with a mortality rate of 30%. The causative agent, which has given rise to similar symptoms in goslings, has been confirmed to be a novel goose astrovirus. The novel goose astrovirus, which was designated as the SDXT strain, was identified from a diseased duck farm using duck embryo primary cells in an experimental infection test. Genomic sequence analysis, as well as phylogenetic analysis of the viral proteins, revealed that the SDXT strain was closely related to a novel goose astrovirus of the Avastrovirus three species. These results indicate that the novel goose astrovirus may cross-host infect ducklings. Further studies are needed to define its host range and transmission route.

Keywords: duckling; genomic sequence analysis; goose astrovirus; gout; phylogenetic analysis.

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