罗非鱼具有食性广、耐低氧、生长快、发病少、繁殖能力强等优点,而且易饲养,市场好,目前在我国养殖比较广泛,是许多地方渔农及养殖单位增收的主要养殖品种。但是,罗非鱼属于热带鱼类,对养环境及饲养管理要求比较特殊,尤其是在亲鱼培育、鱼苗培育、成鱼养殖及越冬保种四个关键时 Tilapia has wide feeding potential, hypoxia resistance, fast growth, less incidence, reproductive ability and other advantages, and easy feeding, the market is good, far more extensively in our country, many local fisheries and aquaculture units to increase the main breeding species . However, tilapia, belonging to tropical fish species, possesses special requirements for environmental management and feeding and management, especially when they are related to broodstock breeding, fry breeding, adult fish farming and overwintering conservation