近年来,我们对童虫在终宿主体内发育过程和动物保虫宿主以及实验感染动物进行了观察。 一、童虫发育成熟、产蚴和成虫寿命的观察:通过现场连续观察,确定为当天自然感染犬眼的童虫35条,以7条固定后测定大小为2.00～2.50×0.093～0.094mm.其余分别植入2只家兔眼内,定期观察虫体发育情况。10日龄虫体长5.40～6.00×0.14～ In recent years, we have observed the process of development of schistosomula in the final host and the host of animal pests and experimentally infected animals. First, the squirrels mature, production of larvae and adult life observation: continuous observation by the scene, identified as the day naturally infected dog eyes of the juvenile 35, with 7 measured after the fixed size of 2.00 ~ 2.50 × 0.093 ~ 0.094mm. The rest were implanted in the eyes of two rabbits, observe the development of worms regularly. 10-day-old parasites 5.40 ~ 6.00 × 0.14 ~