(一)杂食性鱼类能量饲料的使用杂食性鱼类对玉米淀粉的消化利用率较差,小麦所含淀粉较软,而且又具粘性,故小麦及其加工副产物,如次粉、麦麸用作鱼类饲料的效果优于其他任何谷实类饲料,是杂食性鱼类能量饲料的首选。粗蛋白质含量一般达12%以上,但必需氨基酸尤其是赖氨酸不足,无氮浸出物多,在其干物质中可达75%以上。 (A) the use of omnivorous fish energy feed omnivorous fish digestion and utilization of corn starch is poor, the starch contained in wheat is soft, but also sticky, so wheat and its processing by-products, such as flour, wheat The use of bran as a feed for fish is superior to any other grain-based feed and is the first choice for energy feed for omnivorous fish. Crude protein content of more than 12%, but the lack of essential amino acids, especially lysine, nitrogen-free extract more in its dry matter up to 75%.