1.Avian leukosis virus subgroup J (ALV-J) is a retrovirus which infects meat-type chickens.
亚群白血(ALV-J)是一种主要染肉型鸡的反转录。
2.Objective Preparation of specific transfer factor (TF) of avian influenza virus (AIV) and approach of immunopotentiation action to avian influenza vaccinum inactivatum.
摘要目的制备流特异性转移因子并探讨其对流灭活疫苗的免疫增效作。
3.Avian flu basically is to pass excrement and urine the pollution that waits to basket of dress, shoe, equipment, egg is pestiferous.