浙江省从上世纪８０年代突破鳜鱼的人工繁殖技术后，鳜鱼养殖主要以成鱼池和亲鱼池中搭养或山塘小水库套养为主，池塘主养的规模小，单产低。近几年来，随着广东鲮鱼苗的引进和大规格鳜鱼种培育技术的突破，其养殖的发展速度迅速加快，养殖规模越来越大，主养单产逐年提高，但 After breaking through the artificial reproduction technology of shad in the 1980s in Zhejiang Province, the cultivation of mandarin fish was mainly dominated by adult fish ponds and broodstock ponds or mainly by small reservoirs in ponds. The size of primary ponds was small and the yield was low. In recent years, with the introduction of Guangdong catfish fry and the breed of large-sized catfish cultivation technology, the rapid development of aquaculture has accelerated, the scale of aquaculture has been increasing and the yield of main sustainment has been increasing year by year. However,