一、调整养殖结构。即利用杂食性鱼清除残饵的功能和肥水鱼净化水质的功能,调整吃食鱼、杂食鱼、肥水鱼的品种和比重。例如:草鱼、团头鲂等吃食鱼因摄食量大,其残饵和粪便能肥水,为鲢、鳙等肥水鱼提供大量的浮游生物和有机碎屑。反过来,肥水鱼滤食活动,又使水质不致过肥,为吃食 First, adjust the breeding structure. That the use of omnivorous fish remnants of the function of removing bait and water purification of water quality fish function, adjust the eating fish, omnivorous fish, fat fish species and proportion. For example: grass carp, bream and other eating fish due to large food intake, the bait and manure can fertilizer, silver carp, bream and other fat fish provide a large number of plankton and organic debris. In turn, fat fish filter activities, but also the water quality will not be too fat, for food