饲喂虹鳟的常规颗粒日粮中含有40％—50％的蛋白,这些蛋白大部分来源为鱼粉。最近,法国研究人员进行试验测定了用不同水平大豆蛋白浓缩物(SPC)代替虹鳟高脂日粮中的鱼粉对虹鳟性能的影响。SPC代 Conventional pellets that feed rainbow trout contain 40-50% of their protein, most of which comes from fishmeal. More recently, French researchers tested the effect of varying levels of soy protein concentrate (SPC) on the performance of rainbow trout in place of the fishmeal in high-fat rainbow trout diets. SPC generation