Feed grade rice protein, bright offwhite, is mainly used as the feed of livestock. It is byproduct of rice starch, and it contains rice nutrition, and can help the livestock against disease.It is also good additive of stockbreeding and feed industry, which can promote the growth of livestock, and enhance the availability of the feed, and can save the protein, enhance the energy of the feed, reduce the cost, and promote the growth of animals. It is good for cattle, pig, chicken, duck, and aquatic livestock etc., and is indispensable feed in the feed industry.