The result showed that the titer of hemagglutination?inhibition antibody of the former was 1/640 while the latter was 1/2560. In conclusion, the method without FCA was firstly selected for making rabbit type antibody against the New Castle Virus.

• 结果显示：首次免疫加入完全佐剂的免疫方法产生的血凝抑制抗体效价为1/640，显著低于不加完全佐剂（血凝抑制抗体效价为1/2560）的免疫方法。