以甘肃省极为丰富的牛羊脏器、血液资源为原料的虹鳟鱼蛋白质饲料研究,经甘肃省轻工业科学研究所科技人员两年多的努力,取得成功。 研究表明,用牛羊脏器、血液为主要原料,配以维生素和其他多种微量元素制成的虹鳟鱼饲料,具有成本低、饲料系数低、经济效益好,鱼生长发育良好等许多优点,完全可以替代进口鱼粉。专家们认为:此项研 Gansu Province is extremely rich in animal organs, blood resources as raw materials rainbow trout protein feed research, Gansu Provincial Institute of Light Industry science and technology personnel more than two years of hard work and success. The research shows that the rainbow trout feed made from the internal organs of cattle and sheep and blood with blood as the main raw material supplemented with vitamins and other trace elements has many advantages such as low cost, low feed coefficient, good economic benefits and good fish growth and development, Can replace imported fish meal. Experts think: This research