(一)鱼塘基础设施改造鱼塘的改造一般分为:小改大或大改小、浅改深、漏改保、死水改活水、低埂改高埂,但同时也要根据当年所养殖的品种及养殖方式而确定改造建设的规范。养殖成鱼的池塘面积要大,以大于0.3公顷为宜,水深2米,鱼池长方形,长、宽之比为5:3,成鱼池与鱼种池的面积之比为8:2。高产鱼池的配套条件要符合 (A) of the transformation of fish pond infrastructure Fish ponds are generally divided into: small or big change to small, shallow to deep, drain to change security, stagnant water to rebuild water, low 埂 change 埂, but also according to the same year breeding The variety and breeding methods to determine the construction of the norms. Fish ponds should be larger than 0.3 hectares and have a depth of 2 meters. The fish pond has a rectangular, long, and wide ratio of 5: 3, and the area ratio of fish ponds to fish ponds is 8: 2. High-yield fish pond matching conditions to be met