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鱼类是变温动物。当水温下降到8℃以下时便进入冬眠期,渔业生产上称之为“冬闲”季节。其实冬闲并不闲,仍有很多事情要做,冬季应做好以下几项工作:一是要加强冬季渔池投喂管理,确保鱼类安全越冬。首先要做好鱼种的并塘工作,同时要加足水位。抓住晴暖天气的中午进行间隔投饵施肥。越冬的池水透明度要提高到5厘米左右。确保肥水越冬,这是防止鱼种消瘦飘塘的有力措施。二是要抓紧做好对老池的清塘改造工作。长期以来,不少的养鱼户由于忽视池塘的清整,池坡倒塌,淤泥沉积逐年增加,一般池塘的淤泥
Fish are warm-blooded animals. When the water temperature drops below 8 ℃, it enters the hibernation period, which is called “winter-free” season in fishery production. In fact, winter leisure is not idle, there are still many things to do, winter should do the following: First, we must strengthen winter pond feeding management to ensure the safety of fish wintering. First of all, we must do a good job of fish and pond work, at the same time to add enough water. Seize the warm weather at noon to feed at intervals. Overwintering water transparency to be raised to about 5 cm. To ensure that the winter over water, this is a powerful measure to prevent fish species thin floating pond. The second is to pay close attention to the old pond Qingtang transformation. For a long time, many fish farmers neglected the cleaning of ponds, the collapse of pond slopes, silt deposition increased year by year, the general pond sludge