冬季和早春水温低,鱼儿不易生病,是放养鱼种的最佳时机。实践证明,放养大规格鱼种,是池塘高产养殖的一项重要措施。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。但规格究竟多大最合适,要根据不同鱼类的生长规律来确定。 Winter and early spring water temperature is low, the fish is not easy to sick, is the best time to stocking fish species. Practice has proved that stocking large size fish species, ponds is an important measure of high-yielding culture. Large-scale species of disease resistance and anti-predatory ability, high survival rate, you can take full advantage of the fastest growing species of fish. But exactly how the most appropriate specifications, according to the growth of different fish to determine the law.