防蚴灵是近年来研制出的一种预防血吸虫感染的新药 ,为了观察其实用效果 ,2 0 0 0年 6～ 10月份我们进行了现场实验观察 ,效果较好 ,现报告如下。1　对象与方法1.1　观察点选择鄂州市芦洲村属血吸虫病湖沼型洲垸型流行区 ,钉螺面积约 9.2 7万 m2 ,钉螺阳性率为 1.96% ,阳性钉螺 Anti-clenbuterol is developed in recent years to prevent a new drug to prevent schistosome infection, in order to observe its practical effect, from June to October 2000 we conducted an experimental field observation, the effect is better, are as follows. 1 objects and methods 1.1 Observation Point Select Luzhou Village, Ezhou City is a schistosomiasis embankment embankment endemic area, snail area of ​​about 9.27 million m2, the positive rate of snails 1.96%, positive snails