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1.虫卵的保存:38份喀麦隆MakeneneMbam地区的小学生粪便采集后,立即带回实验室,每份作厚涂片,余下的粪便保存在小试管中,约每克粪便标本加入5毫克的叠氮钠,然后封口保存在室温下,每份标本在1,2,4和8周后用kato法复查虫卵数。2.虫卵的分布:收集10份全粪,把全部标本放在实验盆中,用手术刀片划出全粪各部位约200毫克的粪便,即:表层样本取之粪便前段表层(厚度小于1毫米)和后段表层,同样
1. Storage of eggs: 38 pups from the MakenemMam area in Cameroon were immediately taken to the laboratory after they had collected the stool. Each was used as a thick smear. The remaining stool was stored in a small test tube. About 5 mg of stool per gram of stool was added Nitrogen sodium, and then sealed and stored at room temperature, each specimen after 1, 2, 4 and 8 weeks with kato method to review the number of eggs. 2. Egg distribution: collect 10 copies of total manure, put all the specimens in the experimental pot, scored all the feces with a scalpel of about 200 mg of faeces, namely: the surface layer of the sample taken from the faecal layer (thickness less than 1 Mm) and after the surface layer, the same