Only when the HI titer above 9 log 2, the chickens immunized with inactivated La Sota vaccine could obtain 100% protection rate against genotype ⅶ strain.

  • 当HI效价达8log2左右时,La Sota株疫苗免疫鸡对基因Ⅶ型野毒株的攻击也只有80%的保护率,而不同基因型疫苗免疫鸡已能100%地被保护;

  • 互联网摘选 2025-02-25 10:08:38

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