近年来,北方地区池塘养鱼面临着严峻的挑战,鱼价低迷、效益滑坡、甚至亏损,导致鱼户对今后的生产信心不足,个别的鱼户有不养鱼、空池的想法。要扭转这种局面,有效的方法是:全面进行结构调整,改变传统的放养方式,引进名特优新品种,普及推广综合绿色渔业,降低养鱼成本,从而提高池 In recent years, fish ponds in the northern part of the country face severe challenges. Fish prices are sluggish, landslides are even more costly, leading to a lack of confidence in fish production in the future. Individual fish farmers have no idea of ​​raising fish and empty ponds. To reverse this situation, the effective method is to comprehensively carry out structural adjustment, change the traditional way of stocking, introduce famous new and excellent varieties, popularize and promote integrated green fishery, reduce the cost of raising fish, and improve the pool