鱼种选育工作应予重视近年来，由于种种原因，我国传统渔业苗种提纯复壮工作未能得到应有的重视，造成苗种、商品鱼成活率低。各地近几年出现的暴发性鱼病，虽然与渔户大量投饵、施肥造成池塘环境污染有关系，但与草鱼、团头鲂、鲢、镛、白鲫亲鱼未能选育，提纯复壮及近亲... In recent years, due to various reasons, the work of purification and rejuvenation of traditional fishery species in our country failed to receive due attention, resulting in low survival rates of seedlings and commercial fish. In recent years, outbreaks of endemic fish diseases have not been associated with pond environmental pollution due to the large amount of feed and fertilization caused by fishery. However, grass carp, bream, silver carp, bighead carp and white carp were not able to breed, purify and rejuvenate Close relative ...