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目的采用溴氰菊酯控制蝇类密度,预防地震后肠道传染病的暴发流行。方法使用了空间喷雾与滞留喷洒相结合的实验组与对照组的对比实验。结果采用0.05%溴氰菊酯每天喷洒厕所、垃圾集中点、生活污水排放处,持续6 d,对照组与实验组经统计学处理(P<0.05),均有显著差异;人住帐篷和厨房内滞留喷洒溴氰菊酯,帐篷内药效可持续7 d,厨房内仅持续4 d,对照组与实验组经统计学处理(P<0.05),有显著性差异。结论溴氰菊酯空间喷雾和滞留喷洒均能有效降低蝇类密度。
Objective To control the density of flies by using deltamethrin to prevent the outbreak of intestinal infectious diseases after earthquakes. The method used the contrast experiment between the experimental group and the control group, which combined the space spraying and the residual spraying. Results 0.05% deltamethrin sprayed toilets, garbage collection points and domestic sewage discharge place every day for 6 days. There was a significant difference between the control group and the experimental group (P <0.05) The effect of spraying deltamethrin in the tent was maintained for 7 days in the tent and only in the kitchen for 4 days. There was a significant difference between the control group and the experimental group by statistical analysis (P <0.05). Conclusions Deltamethrin spray and retention spray can effectively reduce the density of flies.