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敌百虫早已被广泛应用来杀灭农业害虫与卫生昆虫。因其对哺乳动物毒性比对昆虫低得多,McGregor等(1954)首先給豚鼠口服以毒杀皮肤的丽蝇科的Callitropa hominivorax幼虫。我国在1957年开始試用敌百虫驅除牛、羊体內、外寄生虫,发现对一些綫虫和蝇蛆等很有效。据陈如作报告,敌百虫对豕肠道寄生綫虫有很高疗效。本省合浦县卫生防疫站使用50％敌百虫酒精溶液治疗1,000多例肠道寄生虫患者,认为疗效比其
Trichlorfon has long been widely used to kill agricultural pests and health insects. Because of its toxicity to mammals much lower than that of insects, McGregor et al. (1954) first orally administered guinea pigs with Callitropa hominivorax larvae of the poisoning genus Dermatophagus. In 1957, China began trial trichlorfon to exterminate the ectoparasites in cattle and sheep, and was found to be effective against some nematodes and fly maggots. According to Chen as the report, trichlorfon on the gut intestinal parasitic nematodes have a high effect. Hepu County, the provincial health and epidemic prevention station 50% trichlorfon alcohol solution to treat more than 1,000 cases of intestinal parasites, that its efficacy than its