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目的 :进一步了解中国长江以南农户蛔虫卵污染情况。方法 :选择 3个试点县 ,贵州省都匀、四川省南川和浙江省余姚农户各 2 0户 ,每户查家庭内外共 7处 ,及中、小学各 1所和菜场、肉场各 2处。虫卵用 5 % Na OH分离 ,用饱和硫酸镁离心漂浮后镜检。结果 :以贵州省都匀农户的土壤标本蛔虫卵数最多 (1 6 2 2 .5 /1 0 g) ,四川南川次之 (1 0 99.2 /1 0 g) ,浙江余姚最少 (2 49.0 /1 0 g)。农户的 7处中以厕所土壤污染最严重 ,占蛔虫卵总数的 6 4.3% ,依次为牲畜棚 (9.3% )、庭院 (7.3% )、厨房 (7.2 % )、门槛 (6 .5 % )、客堂 (3.1 % )和卧室 (2 .2 % )。此外尚见鞭虫卵、肝毛细线虫卵、犬弓蛔虫卵、类圆线虫卵、微小膜壳绦虫卵、蛲虫卵、贾第虫包囊和艾美尔球虫卵囊等。结论 :结果表明所查地区农村土壤受蛔虫卵等污染严重。
Objective: To further understand the situation of roundworm egg contamination in farmer households in the south of the Yangtze River in China. Methods: Twenty pilot households in Dujiangyuan, Duyun in Guizhou Province, Nanchuan in Sichuan Province and Yuyao in Zhejiang Province were selected. There were 7 households inside and outside each household and 1 primary and secondary school and 2 farms and farms respectively . Egg eggs were separated with 5% NaOH, and then subjected to microscopic examination by centrifugation with saturated magnesium sulfate. Results: The population of ascaris eggs in soil samples from Duyun of Guizhou Province was the highest (1 62.2 2.5 / 10 g), followed by Nanchuan of Sichuan (99.2 / 100 g) and Yuyao of Zhejiang Province was the least (2 49.0 / 1 0 g). The soil polluted by toilets was the most polluted in 7 farms, accounting for 6 4.3% of the total number of roundworm eggs, followed by livestock sheds (9.3%), courtyards (7.3%), kitchens (7.2%), thresholds (6.5% Guest room (3.1%) and bedroom (2.2%). See also whipworm eggs, liver capillary nematode eggs, Ascaris eggs, round worm eggs, tapeworm eggs, eggs, eggs, giardiasis and Eimeria coccidia. Conclusion: The results showed that the soil in the area under investigation was seriously polluted by roundworm eggs and others.