虹鳟是一个重要的冷水性优质高产品种,原产于美国加里福尼亚州西海岸夏思塔山的山涧溪流中,经人工移殖驯化,现已遍布世界许多国家。此鱼适于淡,海水集约化养殖,其饵料转化率、单产以及起水率均较高。1980年底我们引进虹鳟鱼,几年来在冶源水库利用渗漏水试养并繁殖获得成功,现已开始小规模推广养殖。1980年12月,我县从北京市水产科学研究所引进400尾3 Rainbow trout is an important cold-water quality and high-yielding variety native to Mount Shasta, west coast of California, USA. The rainbow trout has been domestically cultivated and migrated to many countries in the world. This fish is suitable for light, seawater intensive farming, its feed conversion rate, yield and water rate are higher. At the end of 1980, we introduced rainbow trout and succeeded in trial and breeding of leachate in Yeyuan Reservoir over the past few years. Now we have started small-scale promotion of aquaculture. December 1980, my county from Beijing Institute of Fisheries Sciences introduced 400 3