Avianleukosis virus Subgroup J is a retro virus which infects meat-type chickens.
亚群禽白血病病毒是一种主要感染肉用型鸡的反转录病毒。
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It is a preliminary report of the Research on Rapid Differentiation for Avian Tumorse. g. Marek's Disease(MD), Lymphocyte Leukosis (LL) and Reticuloendotheliosis (RE).