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一、越冬前的准备工作1.做好冬存鱼的育肥工作(1)对吃食性鱼类,要加强投喂营养全面、粗蛋白含量高的优质鱼饲料。对草食性鱼类,可适当加大青饲料的投放量,以增强其食欲和维生素的储备。(2)对滤食性的鲢鳙鱼,要适当多施肥,长期使池水透明度保持在20～25厘米。(3)在鱼饲料中可适
First, the preparations before winter 1. Do winter fattening fish work (1) of feeding fish, to strengthen the feeding nutritionally comprehensive, high-quality crude protein feed fish. For herbivorous fish, the amount of green fodder may be appropriately increased to enhance its appetite and vitamin reserves. (2) For the filter-feeding silver carp and bighead carp, it is necessary to properly fertilize and keep the water transparency at 20-25 cm for a long time. (3) is suitable for fish feed