一yi般ban中zhong低di毒du農nong藥yao對dui稻dao田tian養yang魚yu不bu會hui引yin起qi毒du殺sha

，如ru果guo超chao過guo正zheng常chang用yong量liang，重zhong者zhe會hui引yin起qi魚yu類lei中zhong毒du
，輕qing者zhe也ye會hui影ying響xiang魚yu類lei正zheng常chang生sheng長chang發fa育yu。對dui某mou些xie在zai環huan境jing中zhong消xiao解jie較jiao為wei緩huan慢man的de農nong藥yao

，也ye會hui使shi魚yu類lei慢man性xing中zhong毒du。

    為了確保魚類安全，養魚的稻田在施用各種農藥防治蟲害時，均應事先加深田水
，稻田水層應保持在６厘米以上，如水層少於２limishi，duiyuleideanquanhuidailaiweixie。bingchonghaifashengjijiewangwangqiwenjiaogao，yibannongyaosuizheqiwendeshenggaoerjiasuhuifa
，yejiadaleduiyuleideduxing。shiyaoshiyingzhangwoshiyideshijian。pensayaoyeshi，zhuyijinliangpenzaishuidaojingyeshang，jianshaonongyaoluorushuizhong
，zheyangduiyuzhonggengweianquan。fenjiyizaizaochendaozhudailushuishisa，shuijiyizaiqingtianlushuiganhoupen。xiayuqianbuyaoshiyao。penwushi，penwuqipenzuiyingshendaoyexia，youxiaxiangshangpen。butichangbantusashidebanfa。shiyongduxingjiaodadenongyao，kecaiquyimianpenyao，yimianhuanshui；或先將田水放幹，驅使魚類進入魚溝內。為了防止施藥期間溝內魚類密度過大，造成水質惡化缺氧，應每隔３～５天向魚溝內衝一次新水。等魚溝內藥力消失後
，再向稻田裏灌注新水

，讓魚類遊回田中。