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一、选择合理越冬塘越冬塘应背风向阳、环境安宁、水质良好、排灌自如、管理方便。塘底平坦无渗漏,面积2亩左右,水深2m以上。二.强化追膘选大规格健壮鱼种,提前强化喂精饲料,增加鱼种体内脂肪积累,使之膘肥体胖适应越冬消耗。三、清塘施肥秋末冬初,按常规用生石灰等简易方法清塘消毒杀菌;每亩施有机肥250～500kg,以利肥水越冬。四.科学并塘选大规格无病伤的健壮鱼种进行2～3次拉网锻炼。转运井塘投放应在晴天进行,操作要小心,以免碰伤鱼体。
First, the choice of a more wintering Tong winter pond should leeward, the environment is safe, good water quality, drainage and irrigation, easy management. No leakage at the bottom of the pond, an area of about 2 acres, depth 2m above. Strengthen the chase selection of large-size robust fish species, strengthen the feed in advance to increase the body fat accumulation in fish species, so that fat body fat to adapt to winter consumption. Third, Qingtang fertilizer autumn late winter, according to conventional methods such as quick lime disinfection Qing Tong; organic fertilizer per acre 250 ~ 500kg, in order to facilitate fertilizer overwintering. Scientific and Tong Tong large selection of healthy fish species without injury for 2 to 3 times pull net exercise. Transfer wells should be put in sunny days, the operation should be careful to avoid bruises fish.