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本研究目的在于寻找一种药品能使螺蛳接触后的即期死亡率达100%,并且保持长效,在其后的几个月中能够杀死所有进入用药区的螺蛳。六丁基二锡环氧乙烷(TBTO)是对血吸虫病的多种媒介螺蛳有效的灭螺剂。现场实验了2种剂型。一种为糊剂,是将TBTO与一种粘附力和抗水性很强的快干的沥青、橡胶、石棉、陶土的糊剂混合,使TBTO的含量为17～20%,然后涂抹在5～15公斤的石块
The aim of this study was to find a drug that would bring immediate mortalities up to 100% after exposure to snail and maintain a long-lasting effect that would kill all the snails entering the dosing area in the coming months. Hexobutyltin dioxirane (TBTO) is an effective molluscicide for various media snails of schistosomiasis. Field experiments of two formulations. One is a paste made by mixing TBTO with a quick-drying paste of asphaltic, rubber, asbestos, clay with high adhesion and water repellency to a TBTO content of 17 to 20% and then to a 5 ~ 15 kilos of stones