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鳜鱼肉质细嫩、味道鲜美,堪称淡水鱼类之珍品,近几年来,由于天然资源逐渐减少,市场价格日趋昂贵,致使一些人热衷于鳜鱼的池塘养殖。然而,目前鳜鱼养殖普遍存在苗种成活率低、饵料成本高、经济效益差等情况,究其原因,主要有以下方面的问题。1.苗种培育问题从近两年的情况看,鳜鱼苗种培育的成活率很低,鱼苗到夏花(2.5厘米左右)阶段的培育,成活率至今未能突破10%,其中以3%左右的成活率为常见,成活率不高的
Catfish tender meat, delicious, 堪称 freshwater fish treasures, in recent years, due to the gradual reduction of natural resources, the market price is becoming more expensive, resulting in some people are keen on catfish pond culture. However, at present, the prevalence of mullet fish survival rate is low, the high cost of food, poor economic efficiency and other reasons, the main reasons are the following aspects. 1 seedling cultivation problems From the past two years, the survival rate of bream fish breeding is very low, fry to summer flowers (2.5 cm) stage of cultivation, the survival rate so far failed to exceed 10%, of which 3% About the survival rate is common, the survival rate is not high