鱼种并塘要点秋末初冬，水温下降，鱼已不甚摄食。为了提高鱼种越冬成活率，保证来年的成鱼养殖的鱼种供应，此时，应将鱼种插捕并塘越冬。根据各地经验，鱼种并塘时应注意以下几占．１．选好越冬池：选择背风向阳，面积１５００—３０００平方米，水深２米以上，池底淤泥... Fish species and Tong points Early autumn early winter, the water temperature dropped, the fish have not quite food. In order to improve survival rate of overwintering fish species and ensure the supply of fish species in adult fish culture in the coming year, fish species should be inserted and ponds wintered at this time. According to local experience, fish and Tong should pay attention to the following few. 1. Select a wintering pool: choose leeward sunny, an area of ​​1500-3000 square meters, water depth of 2 meters above the bottom of the mud ...