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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快速生长期。但规格究竟多大最适合?除依据不同鱼的生产规律,还要考虑经济效益。1.青鱼最好放养0.5～1.0公斤/尾的2龄鱼种。这样的规格能大量摄食螺蚬,生长快,年底出塘时可达1.5～2.5公斤/尾,甚至3.5公斤。放养规格再大,
Stocking large size fish species is an important measure of fish production in ponds. Large-scale species of disease resistance and anti-predatory ability, high survival rate, you can take full advantage of the rapid growth of various species of fish. But exactly how the most suitable size? In addition to the production of fish according to different laws, but also consider the economic benefits. 1 herring best stocking 0.5 ~ 1.0 kg / tail of 2 species of fish. Such specifications can eat a lot of snails, grow fast, when the end of the pond up to 1.5 ~ 2.5 kg / tail, and even 3.5 kg. Stocking specifications and then large,