我场每年有150多亩水面的鱼类越冬,1989年之前一直坚持冬季打冰眼,认为冰眼可进空气防止鱼塘缺氧。但效果很差,每年冬季损失30%以上,严重的鱼塘绝产,越冬后的鱼体弱干瘪。经过几年的实践;对鱼塘进行了详细的观察和具体的分析,我们认为鱼塘冬季打冰眼劳民伤财有害无利:第一,冬季鱼塘水中的氧气主要来源于 My field every year more than 150 acres of fish overwintering, until 1989 has been insisting winter playing ice-capped eyes, that ice can enter the air to prevent fish pond oxygen. But the effect is very poor, more than 30% of the annual loss of winter, a serious fish ponds, overwintering fish body weak dry. After several years of practice; fish ponds were observed in detail and a specific analysis, we believe that winter ponds in ponds play a detrimental effect: First, the oxygen in winter pond water comes mainly from