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苍蝇是传染病的煤介之一,它身上、脚上和嘴里带有病菌、病毒约五、六百万个,肚子里的病菌、病毒竟达二千五百多万个到三千多万个。还带有多种寄生虫卵,对人类危害极大。苍蝇生长繁殖在粪坑、厕所、垃圾堆等潮湿肮脏的地方.繁殖力惊人,在夏季气温30℃时,从卵到成蝇只要9—11天,一生产卵达6—12次,每次产卵数百个。麻蝇产出就是幼虫(蛆),一次产四十个左右。
Flies are one of the mediators of infectious diseases. They contain germs in their bodies, their feet and their mouths. About five or six million viruses are found in their bodies. The number of viruses in their stomachs has reached 25 million to 30 million A Also with a variety of parasite eggs, great harm to humans. Flies grow and multiply in wet, dirty places such as cesspools, toilets, garbage dumps, etc. Breeding is phenomenal: at summer temperatures of 30 ° C, it takes 9-11 days from eggs to adult flies to produce 6-12 eggs per day Hundreds of spawn. Slug fly production is larvae (maggots), a production of about 40.