【摘要】 鄂州市段店镇于2007年在有螺洲滩实施环境改造工程灭螺。实施工程灭螺后的2008年与工程实施前的2007年比较,有螺面积下降37.14%,活螺平均密度下降76.77%,阳性螺平均密度下降86.11%;2009年与2008年比较,有螺面积进一步下降,降幅13.23%,活螺平均密度下降37.40%,阳性螺平均密度下降8.00%。环境改造工程灭螺效果显著。更多还原

【Abstract】 Snails were controlled by environmental modification in the Town of Duandian,Ezhou City in 2007.The snail situation after environmental modification in 2008 was compared to the situation prior to modification in 2007,indicating that snail prevalence declined 37.14%.The average density of snails positive for schistosomiasis decreased 76.77% and that for snails negative for schistosomiasis decreased 86.11%.In comparison to 2008,snail prevalence in 2009 declined further,decreasing 13.23%.The average density of snails positive for schistosomiasis decreased 37.40% and that for snails negative for schistosomiasis decreased 8.00%.Environmental modification was remarkably effective at snail control.更多还原