池塘、稻田等水域灭除螺蛳、钉螺清塘消毒是发展人工养殖虾、蟹生产的重要环节之一。在池塘、稻田及湖沼、渠道等浅水区域,大量滋生的水螺、钉螺等低等动物,不仅增加虾、蟹养殖水体的饲养密度,争耗水中氧气和竞争食物,而且还严重威胁人、畜的身体健康。 Ponds, rice fields and other waters off snail, snail Qing Tong disinfection is the development of farmed shrimp, crab production is an important part of. In the ponds, paddy fields and lakes, channels and other shallow water areas, a large number of breeding aquatic snails, snails and other lower animals, not only increase the breeding density of shrimp and crab farming water, compete for water oxygen and food competition, but also a serious threat to humans and animals Good health.