fish mea as control, The results showed that weight gain rate of amur sturgeon juvenile from high to low was mixture of protein sources (390.90% )> fish meal (282.86%) > soybean meal (246.08%)>soybean extracted protein (219.47%) > yeast (204.76%);

• 鲟鱼增重率以混合蛋白源组最大；为390.；90%25；鱼粉组次之；为282