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猪粪既招引苍蝇,又是家蝇的主要孳生物质。近年来养猪业不断发展,养猪量增多;据1986年调查,川沙全县共有大小饲养场2894个,共养猪318,340头,如按每头日产猪粪1.5公斤计,全县日产猪粪达477.51吨,月产猪粪量可达14,325.3吨。因此,控制猪粪孳生家蝇的问题已成为城市郊区和郊县越来越突出的问题。如单纯使用化学杀虫剂控制,由于蝇蛆较隐蔽,且能在粪堆内移行,
Pig manure both attract flies, but also the main breeding material for houseflies. According to the survey in 1986, there were 2,894 size feeding farms in Chuansha County with a total of 318,340 pigs. For example, the daily output of pig manure was 1.5kg. The daily output of pigs 477.51 tons of manure and 14,325.3 tons of pig manure per month. Therefore, the control of pig manure breeding housefly problem has become the suburbs and suburban cities more and more prominent issue. Such as the simple use of chemical insecticide control, as maggot more hidden, and can move in the dung,