近三年来,在各级政府的积极支持下,中国水产养殖公司和省、县水产部门联合投资,在17个省、市、自治区筹建20余个淡水养殖良种场,目前已有3个尼罗罗非鱼良种场投产,其余各场将于今年内建成投产,为国营渔场、社队渔场和群众养鱼提供原种亲鱼和优良鱼苗、鱼种。我国从国外引进的尼罗罗非鱼具有食性广、个体大、生活力强(疾病少、耐低氧)、生长快等特点,已成为淡水养殖的一个重要混 In the past three years, with the active support of governments at all levels, Chinese aquaculture companies and provincial and county aquatic departments have jointly invested in preparing more than 20 freshwater breeding farms in 17 provinces, municipalities and autonomous regions. At present, three Nile The tilapia breeding farm will be put into production. The rest will be completed and put into operation within this year. The tilapia will provide original broodstock and excellent fry and fish species for state-owned fishing grounds, community fishing grounds and mass fish culture. The introduction of Nile tilapia from abroad has the characteristics of wide feeding, large individual, strong vitality (less disease, hypoxia tolerance), fast growth and so on, which has become an important mixture of freshwater aquaculture