春季是放养鱼种的主要季节,掌握好鱼种适宜的放养规格与密度是取得良好养殖效益的可靠保证,对搞好全年养鱼关系极大。实践证明,鱼种放养规格过大,密度过小产量低,效益差,而放养规格过小密度过大,则超出水体承载能力会造成鱼类缺氧死亡或个体瘦小,常常达不到上市规格。只有根据池 Spring is the main season for stocking fish species. It is a reliable guarantee for good stocking efficiency to master the appropriate stocking specifications and density of fish species, and there is a great relationship to improve the fish culture throughout the year. Practice has proved that stocking specifications too large, too low density, low yield, poor efficiency, and stocking specifications too small density, then beyond the carrying capacity of water will cause fish hypoxia death or individual thin, often fail to market specifications . Only under the pool