目前池塘养鱼水平不断提高，但一龄草鱼种的成活率仍很低，一般仅30％左右。因此，培育高产优质的草鱼种，是提高经济效益的重要途径。一、选择适宜的鱼种池塘鱼种池面积以5亩左右为最佳，水深2米以上，不漏水，具有注排水设施。亩产达500公斤以上，每亩池塘还要配备0．5千瓦左 The current level of fish ponds continue to improve, but the survival rate of first-class grass carp species is still very low, generally only about 30%. Therefore, cultivating high-quality grass carp species is an important way to improve economic efficiency. First, choose the appropriate species of fish pond pond area of ​​about 5 acres for the best, more than 2 meters deep, watertight, with water injection facilities. Yields up to 500 kg per mu, but also equipped with 0.5 kilowatts per mu pond left