“鱼种放养莫过春,冬放鱼种长三分”,这是成鱼养殖的一条成功经验。实践证明,冬放鱼种由于水温低,鱼鳞紧密,鱼活动力弱,在放养操作过程中鱼体不易受伤,鱼种下塘后成活率高;同时又有利于鱼种疏塘精养,做到早放早管,促使鱼生长快,提高池塘利用率。鱼种冬季放养,必须注意以下几点: “Fish stocking than spring, winter fish off three points long”, which is a successful experience of adult fish farming. Practice has proved that, due to the low water temperature in winter, the fish scale is tight, the fish activity is weak. During the stocking operation, the fish body is not easy to be injured. After the fish species live in the pond, the survival rate is high. Early to put early tube, to promote fast growth of fish, improve pond utilization. Fish stocking in winter, we must note the following: