近年来,东沟县新立大队利用小坑塘保护鱼类越冬,取得较好效果,成活率达88%以上。具体方法如下: 越冬池的选择应选择灌排水方便、淤泥少、保水力强、冰下水位能保持1.2米左右的坑塘做越冬池。如后西越冬池面积0.7亩,池深3米,冰下水位1.2米, In recent years, Donggou Xinliu Brigade used small pit ponds to protect fish from overwintering and achieved good results with a survival rate of over 88%. The specific methods are as follows: Overwintering ponds should be selected to facilitate irrigation and drainage, less sludge, strong water retention, the water level under the ice can keep about 1.2 meters pit over winter pool. After the winter pool area of ​​0.7 acres after the West, 3 meters deep pool, ice under the water level of 1.2 meters,