2.Objective Preparation of specific transfer factor (TF) of avian influenza virus (AIV) and approach of immunopotentiation action to avian influenza vaccinum inactivatum.
摘要目的制备流感毒特异性转移因子并探讨其对流感灭活疫苗的免疫增效作用。
3.Avian leukosis virus subgroup J (ALV-J) is a retrovirus which infects meat-type chickens.
亚群毒(ALV-J)是一种主要感染肉用型鸡的反转录毒。
4.The occurrence of Avian Leukosis Virus-J Subgroup on the Commercial layer of Roman reported was the first time at home and abroad.