Results The antibody against metacercaria in rat serum was found after infection 45 days and the antibody titer rose gradually.

• 结果大鼠在感染后第45天检测到抗囊蚴抗体且抗体水平逐渐升高,60天达到最高,以后略有下降并维持一定水平,直至感染结束。