1. Avian leukosis 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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2. This is the first confirmed at the molecular level that avian leukosis subgroup J occurred in the egg-type chickens in the world.
这是国内外首次从分子水平证明蛋鸡j亚群禽白血病。
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3. The occurrence of Avian Leukosis Virus-J Subgroup on the Commercial layer of Roman reported was the first time at home and abroad.
商品代罗曼蛋鸡发生禽J-亚群白血病的报道在国内外尚属首次。
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4. There were lymphoid leukosis virus and group specific antigen in the follicles with BA dying which was highest in content from the 3rd to 4th month of PI.
BA法染色表明法氏囊一直存有病毒和群特异性抗原，以接毒后3～4个月含量最高。
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5. 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).
6. 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).
