最近,笔者发现有不少养鱼户,从江河等自然界中收购野生鳜鱼种进行饲养时,没有注意到种的区别,结果使同样条件下饲养的鳜鱼大小相差极大,严重影响了生产效果。其实,在江河等自然界生长的鳜鱼有很多种,而最有饲养价值的只有翅咀鳜,其生长快,个体大,在池塘中混养当年可达2Kg左右。大眼 Recently, I found that many fish farmers did not notice the difference in species when they purchased wild bream species from the rivers and other nature. As a result, the size of breams reared under the same conditions varied greatly and seriously affected the production effect. In fact, there are many species of anchovy growing in rivers and other natural worlds, but the most feeding value is only the frog, its growth is fast, individual large, polygamy in the pond that year up to about 2Kg. big eyes