冬去春来,气温回升,处于半休眠状态的鱼类开始游动、觅食。为了夺取塘鱼高产,成鱼全季管理要抓好7件事。1 清塘。在放养鱼种前7—1O天,按水深1米,每亩用生石灰135公斤泼洒;或将鱼塘水位降至10—20厘米深度,每亩用生石灰75公斤左右全池泼洒。这样,既可杀死各种病菌及野杂鱼,预防鱼病,又能增补鱼塘水中钙离子含量,有利于鱼类生长。 Winter to spring, the temperature rise, in the semi-dormant state of the fish began to swim, looking for food. In order to seize the high yield of fish ponds, adult seasons should do a good job seven things. 1 clear pond. 7-1O days before stocking fish species, according to the depth of 1 meter, lime spray 135 kg per acre splashed; or the fish pond water level down to 10-20 cm depth, about 75 kg of lime per mu Quanchiposa. In this way, can kill a variety of bacteria and wild trash, prevent fish disease, but also increase the amount of calcium ions in fish pond water is conducive to the growth of fish.