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开春后水温逐渐回升,鱼类结束越冬期开始进入生长阶段。为使池鱼提早吃食,加快恢复体质,提高抗病能力和成活率,增加生长期和产量,须合理抓好开春鱼塘管理。1保持适度水深早春鱼塘要保持适宜的养殖水位,不可过浅或过深。池水过浅,水体热能散失较快,而且初春天气变化频繁,若突然?
Spring water temperature gradually picked up, the end of winter fish began to enter the growth stage. In order to make the fish prematurely eat, speed up the recovery of constitution, improve disease resistance and survival rate, increase the growth period and yield, we must make a reasonable grasp of spring pond management. 1 to maintain a reasonable depth Early spring fish ponds to maintain appropriate water level, not too shallow or too deep. Water is too shallow, the rapid dissipation of water heat, and frequent changes in early spring weather, if suddenly?