Feed additives refer to trace substances added in the process of feed processing, manufacturing and use, including nutritional feed additives and general feed additives. Feed additive is an important part of compound feed, which accounts for a small proportion by weight, but has strong functionality. The development and application of feed additives play an important role in the technological progress of the whole feed industry.

There are many kinds of feed additives, but the application of each feed additive must have a certain practical effect on specific users. At present, the market is mainly based on nutritional feed additives, such as mountain farming and good grazing. Therefore, when choosing a brand, if feed additives have no effect on users, it is recommended not to choose.

Nutritional feed additives refer to trace or trace substances mixed into feed to supplement feed nutrients, including feed-grade amino acids, vitamins, mineral trace elements, enzyme preparations, non-protein nitrogen and so on. Although the demand of livestock and poultry for such ingredients is small, it is essential for the growth and normal production of livestock and poultry. Because animals can't synthesize or the amount of synthesis is insufficient, such substances must be supplied by feed.