农民使用农药时,常有农药流入河塘,造成鱼类中毒死亡。也有不法之徒故意用农药毒死鱼类,然后在市上出售。吃了被农药毒死的鱼会严重损害人体健康。困此,购买时要注意鉴别。 一般鱼死后,腹鳍是紧贴肚皮的,嘴巴和鳃盖容易被拉开,鱼鳃颜色呈淡红色,用手掰鱼体易弯曲,有正常鱼固有的鱼腥味,很易引来苍蝇可叮吮。被农药毒死的鱼,腹鳍是张开的,且很 When peasants use pesticides, pesticides often flow into rivers and ponds, resulting in the death of fish poisoning. There are also criminals deliberately poisoning fish with pesticides, and then sold in the city. Eating fish poisoned by pesticides can seriously damage human health. Sleepy, pay attention to identify when buying. General fish dead, the pelvic fins close to the belly, the mouth and the gill cover can be easily opened, the fish gill color was pale red, hand-bent fish body is easy to bend, the fish have the inherent smell of fish, it is easy to attract flies Can be sucking. Fish poisoned by pesticides, pelvic fins are open, and very