It is an important grain plant used as malt and feed from wheat. Outside of thebrewing industry, almost all of them considered as animal feed. The protein contentand quality of barley is not very high. Barley protein is richer than corn in amino acidssuch as lysine, tryptophan and cystine. Barley can bu used in all animals, and ismore suitable for ruminants animals. When given to ruminants other than sheep andgoats, it should be broken or crushed roughly. Otherside, a significant of the barleyeaten is ecreted with feces without being digested.