Wheat bran contains the outer layers of the wheat kernel and is composed mainly of insoluble AX cellulose starch protein 1416 glucan and lignin It is well known for its effects in increasing faecal bulk and reducing intestinal transit time In addition to being an excellent source of dietary fiber wheat bran is also rich in manganese magnesium selenium and phosphorus Its also low in calories and fat while supplying a good amount of protein per serving Wheat bran can be palatable for pigs poultry cattle sheep and horses.