鱼种放养规格与产量放养大规格鱼种，是池塘养鱼高产的一项重要措施。大规格鱼种的抗病和抗敌害能力强，成活率高．可以充分利用各种鱼类的最速生长期。但规格究竟多大量适合，要依据不同鱼的生产规律，还要考虑经济效益。一、青鱼。最好放养０．５—１．０公斤／尾的二龄... Species stocking specifications and yield stocking large species of fish, pond fish production is an important measure. Large-scale species of fish disease resistance and predators ability, high survival rate. Can take full advantage of the fastest growing period of various fish. However, the exact size of a large number of suitable, depending on the production of different fish law, but also consider the economic benefits. First, the herring. Best stocking 0.5-1.0 kg / tail of the second age ...