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虹鳟鱼原产美国,目前有二十多个国家养殖,是世界水产养殖业中一个主要的冷水性养殖品种。它能够在3～25℃范围的水温中生活,最适水温为13～18℃;它生长快,肉味鲜美,适于高密度饲养,主食动物性饵料,最高亩产可达七万斤。我国的虹鳟鱼是一九五九年由朝鲜引进的,目前东北和华北地区的很多省、市已开展养殖。我省新安江大坝下面的水温终年在9～20.4℃,适宜于虹鳟生活。为了充分利用新
Rainbow trout originated in the United States, currently more than 20 countries breed, aquaculture in the world is a major cold-water breeding species. It can live in 3 ~ 25 ℃ water temperature, the optimum temperature is 13 ~ 18 ℃; It grows fast, delicious meat, suitable for high-density feeding, staple animal feed, the maximum per mu up to 70,000 kg. Rainbow trout in China was introduced by North Korea in 1959. At present, many provinces and municipalities in the northeast and north China have started breeding. The water temperature below the Xin’anjiang dam in our province is 9 ~ 20.4 ℃ throughout the year, which is suitable for the life of rainbow trout. In order to make full use of new