超强毒株 VVIBDV ; very virulent IBDV ; very virulent virus strain ; Very VirulentIBDV strain
超强毒型 VVIBDV ; VVIMDV ; VVMDV
超强毒MDV VVMDV
传染性法氏囊病超强毒 veryvirulent infectious bursal disease virus ; Very virulent bursal disease virus
成为超强毒株 very virulent IBDV ; VVIBDV
临床上存在着超强毒株 very virulent ibdv ; VVIBDV
毒素轭合物的超强毒素 UltraPotent Toxin ; UPT
个分离株属于超强毒株 very virulent IBDV ; VVIBDV
与其它一些超强毒株 VVIBDV
·2,447,543篇论文数据，部分数据来源于NoteExpress
从而表明，该L X分离株为IBDV超强毒，具有超强毒株的致病特点。
These showed that the isolate LX was a very virulent IBDV strain.
接种MD三价疫苗的4个品系的商品鸡群，抗RB1B超强毒株攻毒的平均保护效力为94.60%； 在模拟MD强毒自然传染的试验中，MD三价疫苗的保护效力达到95.65%。
The mean protection of trivalent vaccine was 94.60% in four commercial chicken strains against RB1B challenge, and was 95.65% in the MDV natural infection model experiment.
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