European eels weighing about 40 g were immunized with the ISCOM vaccines by intra-peritoneal injection,and the serum antibody level was determined by ELISA and agglutination test.

• 注射途径室内免疫欧洲鳗,通过菌体凝集方法和ELISA方法测定血清免疫应答规律,表明两者趋势基本一致,免疫组的血清抗体水平明显高于对照组;攻毒试验表明相对免疫保护率达100%25;