Article
Molecular epidemiology of avian leukosis virus subgroup J in layer flocks in China.
Journal of clinical microbiology - 1 Mar 2012
Gao Yulong, Yun Bingling, Qin Liting, Pan Wei, Qu Yue, Liu Zaisi, Wang Yongqiang, Qi Xiaole, Gao Honglei, Wang Xiaomei
Abstract excerpt
Avian leukosis virus subgroup J (ALV-J) was first isolated from meat-type chickens in 1988. No field cases of ALV-J infection or tumors in layer chickens were observed worldwide until 2004. However, layer flocks in China have experienced outbreaks of this virus in recent years. The molecular epidemiology of ALV-J strains isolated from layer flocks was investigated. The env genes of 77.8% (21/27) of the ALV-J...
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