由于水产动物和畜禽在生活环境、生活习性、消化生理、营养需求方面存在差异 ,使得二者在饲料加工工艺、原料选用等方面也存在不同 ,本文拟就鱼用饲料与畜禽饲料在加工工艺、原料选用方面的差异作一比较。1　加工工艺1 1　消化能力与原料粉碎粒度　鱼类消化器官简单且短 ,消化 Due to the differences in living environment, living habits, digestive physiology and nutritional requirements between aquatic animals and livestock and poultry, there are also differences in terms of feed processing technology and raw material selection. In this paper, Technology, the choice of raw materials for a comparison of differences. 1 processing technology 1 1 digestibility and particle size of raw materials Digestive organs of fish is simple and short, digestion