草鱼是我国四大家鱼之一,是淡水养鱼的优良品种,食用价值高,经济价值更高。草鲢、鳙鱼还有一个生物链:草鱼多—→草鱼粪便多—→浮游生物多—→鲢、鳙鱼多—→水质净化草鱼更多……。因此,我国养鱼水面比例最大的内湖、哑河、水库、山塘养鱼总产量的增殖,关键在于草鱼的增 Grass carp is one of the four major domestic fish in China and is an excellent breed of freshwater fish for its high edible value and higher economic value. Silver carp, bighead carp and a biological chain: grass carp - → grass carp and more stool - → plankton more - → silver carp, bonito - → water purification grass carp more ... ... Therefore, the proportion of total fish production in Inner Mongolia, Shuya, reservoirs and ponds with the largest proportion of fish in China’s aquaculture lies in the increase of grass carp