随着市场经济的发展,水产养殖早已告别了短缺经济时代,水产品市场也由卖方市场转变为买方市场,水产养殖利润下滑,经营不善有可能出现亏损。加上城市近郊人工费、池塘租赁费等成本的居高不下,更使水产生产的竞争处于劣势。同时随着天津市工业东移和东丽区城市化进程的加快,水产 With the development of the market economy, aquaculture has already bid farewell to the era of shortage economy, the aquatic products market has also changed from the seller’s market to the buyer’s market, aquaculture profits have fallen, and mismanagement can cause losses. Coupled with the city suburbs labor costs, pond rental fees and other high costs, but also make aquatic products production competition at a disadvantage. At the same time with the industrial eastward shift in Tianjin and Dongli District, the acceleration of urbanization, aquatic products