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虹鳟鱼因其成体沿测线有一棕红色纵纹,如同彩虹一样而得名。虹鳟鱼具有肉味鲜美,营养丰富,刺少肉多,食用价值高,生长迅速,人工繁殖简便易行等特点。目前已成为联合国粮农组织向世界推广的产量高而优良的四大淡水养殖品种之一,破列为高档鱼。 虹鳟鱼生活水温为2～25℃,最适水温为12～20℃,其适应性很强,既能在池塘中养殖,也可在水库、湖泊、河川中放养。尤其在流水中饲养一年四季都可生长,产量很高。大面积实践证明,一般667m~2产3×10~4～3.5×10~4kg,最高
Rainbow trout has a reddish-red longitudinal pattern along its line of measurement, giving it the same name as a rainbow. Rainbow trout has the characteristics of delicious meat, nutritious, less spiny meat, high edible value, rapid growth and artificial breeding. It has now become one of the four freshwater cultured varieties with high output and excellent quality promoted by the UN Food and Agriculture Organization and is classified as high-grade fish. Rainbow trout living water temperature of 2 ~ 25 ℃, the optimum temperature of 12 ~ 20 ℃, its adaptability, both in the pond breeding, but also in reservoirs, lakes, rivers stocking. Especially in running water can grow all year round, high yield. Large area proved that the general 667m ~ 2 production 3 × 10 ~ 4 ~ 3.5 × 10 ~ 4kg, the highest