在冬季第一次冷空气来临之前,先将不耐低温的鱼类(如淡水白鲳、罗非鱼等)捕捞上市,未够上市规格的鱼留塘,但必须采取保温措施。以后根据鱼塘内食用鱼的实际数量和当地市场供求情况,及时分批捕鱼上市,最后彻底干塘。干塘后的2～3天,待表层塘泥蒸发部分水分,即可开始清理塘泥。清 Before the first cold air comes in winter, fish that are not resistant to low temperature (such as freshwater whitefowl and tilapia) are first brought to the market and the fish that are not listed in the market is allowed to remain in the pond but the insulation measures must be taken. Later, according to the actual number of fish in the fish ponds and supply and demand in the local market, timely batch fishing market, and finally complete dry pond. Dry pond after 2 to 3 days until the surface layer of mud evaporation part of the water, you can begin to clean the pond. clear