1.清塘。入秋后应将鱼种转入经过清塘消毒的池内培育,以便鱼种安个越冬。也可将鱼种全部转出暂养,对原塘每亩用生石灰75～100公斤消毒,按常规方法将水质培肥,待药物消失后再将鱼种转回。2.分养。要做到同池所养鱼种规格一致。规格大的鱼种食量人,抢食力强,同池小规格的鱼种则因得不到足够的饲料会体质下降。 Clear pond Autumn after the fish should be transferred to Qingchi pond disinfection, so that species of fish overwintering. The fish species can also be transferred out of custody, the original ponds per acre with 75 to 100 kg of lime disinfection, according to the conventional method of water fertility, until the disappearance of drugs and then the species back. 2. Raise. To be consistent with the fish pond species specifications. Species of large fish food intake, strong feeding, with the small pool of fish species due to lack of adequate feed will physical decline.