随着对饲料、药物、增氧设施的研究以及养殖户技术水平的提高,我国池塘养殖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饲料、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 research on feed, medicine and aerobic facilities as well as the improvement of the technical level of farmers, 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, drugs and aerobic facilities by farmers and the one-sided pursuit of high yields and high yields, while neglecting the pool