如何引种罗非鱼罗非鱼原产于非洲，约有６０种，目前世界上已进行养殖的种类有１５种。我国目前主要有莫桑比克、尼罗和奥利亚三种罗非鱼。养殖规模正逐年扩大，南方、北方以至东北、西北地区，均有养殖，特别是广东、福建、海南等南方地区，罗非鱼已成为最主要的养殖品种... How to introduce tilapia Tilapia native to Africa, about 60 species, the world has 15 kinds of aquaculture species. At present, there are three types of tilapia in our country, mainly Mozambique, Nile and Oria. Breeding scale is expanding year by year, the South, North and Northeast, Northwest Territories, are breeding, especially in Guangdong, Fujian, Hainan and other southern regions, tilapia has become the main breeding species ...