在目前的水产养殖中,随着水产品产量的大幅度提高,带来了价格下降、销售困难等一系列的问题。那么,如何才能提高水产养殖的经济效益呢?从市场行情和品种结构调整方面总结了解到,巧钻空当养殖有前途。繁殖高档观赏鱼近年来,国内食用鱼市场疲软,而观赏鱼市场价格却稳中有升,特别? In the current aquaculture, with the dramatic increase in the output of aquatic products, a series of problems have been brought about, such as falling prices and difficulties in sales. So, how can we improve the economic benefits of aquaculture? From the market conditions and varieties of structural adjustment summary learned that Qiao drills when aquaculture promising. Breeding high-end ornamental fish In recent years, the domestic food fish market is weak, while the ornamental fish market prices have steadily risen, especially?