以往报告了用不同剂量钴~(60)照射大片吸虫后囊蚴可使其对仓鼠的感染力受到一定的影响。本试验采用钴~(60)的剂量在0～8千拉德之间。共分为7个剂量组,每组分别用0、2、3、4、5、6、8千拉德剂量照射的后囊蚴感染5只仓鼠,每鼠经口感染20条后囊蚴。10周后解剖仓鼠,仔细检查肝脏内的虫体。结果 In the past, it was reported that irradiation of large stage trematode metacercariae with different dosages of cobalt ~ (60) could affect the infectivity of hamsters to a certain extent. The test using cobalt ~ (60) dose of 0 ~ 8 rads. The rats were divided into seven groups, each group was infected with 0, 2, 3, 4, 5, 6, 8 rads dose of 5 metacercariae hamster infection, 20 mice were infected with 20 metacercariae. Hamsters were dissected 10 weeks later, and the worms in the liver were carefully examined. result