观察氯硝柳胺乙醇胺盐粉剂泥敷灭螺的试验效果。方法采用氯硝柳胺不同药物剂量进行现场泥敷灭螺,灭螺后180d内连续观察5次钉螺变化情况。结果各药物组钉螺死亡率为87.50%100.00%,各组活螺密度下降率在98%以上。结论氯硝柳胺泥敷灭螺效果较好,具有推广使用价值。 To observe the niclosamide ethanolamine salt mud dressing snail test results. Methods Different dose of niclosamide were used to kill snail in the field, and the change of snail was observed continuously for 5 times within 180 days after snail elimination. Results The mortality of snails in each drug group was 87.50% and 100.00%, respectively, and the rate of live lobed densities in each group was over 98%. Conclusion niclosamide mud snail effect better, with the promotion of the use value.