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池塘主养鲫要获得高产高效益，养殖技术是关键，要注意以下几个方面：一、正确分辨鱼种优劣 养殖户在购买鲫鱼种
To raise the production of high-yield and high-efficiency ponds, breeding technology is the key, pay attention to the following aspects: First, the correct distinction between the advantages and disadvantages of fish farmers in the purchase of carp species