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目的测试8.5%甲嘧·高氯氟泡腾片防治农村厕所蝇幼虫药效。方法分别选取承德市双滦区和宽城县两县区城乡结合部的6个旱厕和5个旱厕,随机分成7个实验组和4个对照组,分别于施药后不同时间段测量蝇蛆密度。结果双滦区4个实验组蝇幼虫灭效为54.20%~83.33%,宽城县3个实验组蝇幼虫灭效为92.38%~100.00%,蝇蛆密度下降明显。结论 8.5%甲嘧·高氯氟泡腾片对农村旱厕蝇幼虫具有良好的杀灭作用。
Objective To test the efficacy of 8.5% pyrimethamine and chlorhexidine effervescent tablet in preventing and controlling larvae of rural toilets. Methods Six dry toilets and five dry toilets in urban and rural areas of Shuangluan district and Chenghuang county in Chengde were selected and randomly divided into seven experimental groups and four control groups respectively and measured at different time points after application Maggot density. Results The results showed that the killing rates of fly larvae in four experimental groups in Shuangluan District were 54.20% -83.33%, and those in Kuancheng County were 92.38% -100.00%. The density of fly maggots decreased significantly. Conclusion 8.5% pyrimethamine high chlorofluorocarbon effervescent tablets have a good killing effect on larvae in rural areas.