随着养殖技术水平的提高以及对饵料、药物、增氧设施的研究,我国池塘养殖业的单位产量越来越高。但近年来池塘养殖业出现了养殖产量和产值提高,经济效益并未提高甚至下降和亏损的现象。这是由于养殖户片面强调饵料、药物、增氧设施的重要性,片面追求高产量、高产值,而忽略了池 With the improvement of breeding technology and the research on food, medicine and aerobic facilities, the unit production of pond aquaculture in our country is getting higher and higher. However, in recent years, aquaculture in ponds has seen a rise in the output and output value of aquaculture. Economic benefits have not been increased or even decreased or even decreased. This is due to the one-sided emphasis on the importance of feedstuffs, medicines and aerobic facilities by farmers and the one-sided pursuit of high output and high output value, while neglecting the pool