1.Avian leukosis virus subgroup J (ALV-J) is a retrovirus which infects meat-type chickens.
亚群禽白血(ALV-J)一种主要染肉用型鸡反转录。
2.Objective Preparation of specific transfer factor (TF) of avian influenza virus (AIV) and approach of immunopotentiation action to avian influenza vaccinum inactivatum.
摘要目制备禽流特异性转因子并探讨其对禽流灭活疫苗免疫增效作用。
3.Avian flu basically is to pass excrement and urine the pollution that waits to basket of dress, shoe, equipment, egg is pestiferous.