近10多年来,江滩灭螺受诸多因素影响,其力度已远不能控制钉螺扩散,造成了钉螺面积、阳性螺面积和疫情的回升。为遏制螺情和疫情增长势头,2004年春季灭螺时,我们选用江苏省血吸虫病防治研究所研发的4%氯硝柳胺乙醇胺盐粉剂和25%氯硝柳胺悬浮剂,以及50%氯硝柳胺乙醇胺盐可湿性粉 In the recent 10 years, the genus Oncomelania has been affected by many factors, and its efforts have been far from controlling the spread of Oncomelania, resulting in the snail area, the positive spiral area and the rebound of the epidemic. In order to curb the spiral and the growing trend of the outbreak, we chose 4% niclosamide ethanolamine powder and 25% niclosamide suspension developed by Jiangsu Schistosomiasis Control Institute in the spring of 2004 to kill snail. And 50% chlorine Niclosamide ethanolamine salt wettable powder