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到目前为止,虽有很多种灭螺药物,但均不够理想;衡量灭螺药物是否理想,应从以下几点来考虑:1.灭螺效果好,药物来源充足,能大量生产;2.药物对人、家畜、家禽的毒性要小,一般群众能熟知其性能;3.使用方便,能大搞群众性运动,灭螺时不受任何条件影响。过去所用的灭螺药物,一般毒性较大,价格较贵,
So far, although there are many kinds of snail drugs, they are not ideal enough. To measure whether the snail drugs are ideal, the following points should be taken into account: 1. The snail snail effect is good, the sources of the drugs are sufficient, and mass production can be achieved; People, livestock, poultry toxicity is small, the general public can be familiar with its performance; 3 easy to use, can engage in mass sports, snail when not affected by any conditions. The past use of snail drugs, generally more toxic, the price is more expensive,