鲢鳙鱼在渔业生产中发挥了重要作用。但是,这种以鲢鳙鱼为主的养殖结构在生产实践中也产生了不少的问题:鲢鱼商品价值低、肉质差、刺多,加之上市规格小,肥满度差,可食比例小,不受消费者欢迎;另外鲢鱼耐缺氧能力低,易腐烂变质,不利于贮存和长途运输,故鲢鱼的经济价值较低。草鱼? Silver carp and bighead carp have played an important role in fishery production. However, this kind of breeding structure with silver carp and bighead carp mainly produces many problems in production practice. The silver carp commodity has low value, poor quality and more thorns, and the market size is small, fatness is poor, edible proportion Small, not welcomed by consumers; other silver carp hypoxia tolerance, perishable, detrimental to storage and long-distance transport, so the economic value of silver carp lower. grass carp?