冬至至立春是放养鱼种的最佳时机,有利于鱼种及早适应环境,便于越冬管理,促进鱼种开春猛长,提高产量。越冬期间放养鱼种的具体做法如下。1.鱼池五改。“小塘”改“大塘”,“死水塘”改“活水塘”,“浅水塘”改“深水塘”,“漏水塘”改“保水塘”,“抢险塘”改“防洪塘”。整修 Winter solstice to the beginning of spring is the best time to stocking species of fish is conducive to early adapt to the environment of fish species, easy to winter management, and promote the fierce spring fish grow, increase production. The practice of stocking fish during wintering is as follows. 1. Five fish ponds. “Small pond” to “Datang”, “dead pool” to “live pond”, “shallow pond” to “deep pond”, “leaky pond” to “pond”, “rescue pond” change “flood pond.” Renovation