摘要
目的了解2012—2016年甘肃省武威市农村土壤中蛔虫卵污染情况,为今后制定防控策略和措施提供科学依据。方法 2012—2016年,收集25个乡(镇)100个监测点400份土壤标本,用饱和硝酸盐漂浮法检测土壤蛔虫卵污染情况。结果 400份5~20 cm表层土壤标本中蛔虫卵检出分别为41.25%,22.50%,27.50%,25.00%和16.25%,差异有统计学意义(χ~2=14.04,P<0.05);活卵检出率分别为66.67%,66.67%,77.27%,65.00%和53.85%,检出率无变化,差异无统计学意义(χ~2=2.11,P>0.05);川区和山区土壤标本中蛔虫卵检出率分别为19.50%和33.50%,山区蛔虫卵检出率明显高于川区,差异有统计学意义(χ~2=10.06,P<0.05);活卵检出率分别为53.85%和74.63%,山区活卵检出率明显高于川区,差异有统计学意义(χ~2=4.81,P<0.05)。结论武威市农村土壤中蛔虫卵污染较重,在今后的防控工作中,应加强农村环境整治和粪便无害化处理工作。
Objective To understand the ascaris eggs contamination in farmland soil in Wuwei during 2012—2016, and provide scientific basis for development of prevention strategy and control measures. Methods Forty villages was selected randomly as the monitoring sites in Wuwei each year during 2012—2016. Two farmland soil samples were collected randomly in each monitoring site. Ascarid eggs were detected by saturated sodium nitrate floating method. Results From2012 to 2016, the detection rate of ascarid eggs each year was successively 41.25%, 22.50%, 27.50%, 25.00% and 16.25%with statistical difference（χ^2=14.04, P〈0.05）; also the detection rate of living ascarid eggs was successively 66.67%, 66.67%,77.27%, 65.00% and 53.85% without statistical difference（χ^2=2.11, P〉0.05）. In mountainous area, the detection rate of ascaris eggs was 33.50% in soil samples more than 19.50% in the plain with statistical difference（χ^2=10.06, P〈0.05）. The detection rates of living eggs was 74.63% in the mountainous area, more than 53.85% in the plain（χ^2=4.81, P〈0.05）. Conclusions The ascaris eggs contamination in farmland soils was serious in Wuwei. The environmental improvement and harmless disposal of manure should be strengthened in the further prevention and control works.
出处
《疾病预防控制通报》
2017年第5期81-83,共3页
Bulletin of Disease Control & Prevention(China)
关键词
土壤污染
蛔虫卵
环境整治
Soil contamination
Ascaris eggs
Environmental improvement
