virulent strain
摘要07 关键词: 新城疫病毒;ClassⅠ;强毒株;结构蛋白;特异性抗体[gap=1285]Key words: Newcastle disease virus;classⅠ;virulent strain;structural protein;specific antibody
velogen strain
... velocity of nitrogen assimilation 氮素同化速度 velogen strain 强毒株 velvet bent grass 绒毛剪股颖 ...
VVIBDV
继法氏囊病毒经典株之后, 欧洲及中国相继出现超强毒株(very virulent Infectious Bursal Disease Virus,vvIBDV)的流行危害,vvIBDV 感染可导致雏鸡 60%~80%的高死亡率 [8] ,对法氏囊 病的防制构成...