鱼粉是家畜、家禽的良好补充饲料。一般鱼粉的蛋白质含量高达60～80％,它对猪、鸡等畜禽的生长具有明显的促进作用。试验表明,用鱼粉作猪的补充饲料,日均增重30％;鸡鸭常喂鱼粉,除能加快生长外,还可提高蛋产量40％。现介绍鱼粉的制作简法于下: 1.原料 ①鱼类加工的副产品如鱼头、尾、骨、内脏等;②无食用价值的小杂 Fishmeal is a good supplement for livestock and poultry. The average protein content of fish meal up to 60 ~ 80%, it has a significant role in promoting the growth of pigs, chickens and other livestock. Tests showed that fish meal supplemented with pigs, an average daily gain of 30%; chickens and ducks often fed fish meal, in addition to speed up growth, but also increase egg production 40%. Now introduce the production of fishmeal Jane law in the following: 1. Raw materials ① fish processing by-products such as fish head, tail, bone, internal organs, etc .; ② no value of small miscellaneous