Azure Markets Organics Whole BarleyOrganic whole barley for your farm stock. Azures organic barley feed is produced without any toxic chemicals that affect the environment or your livestock. Whole barley includes an outer hull that provides for 70 to 80 percent of TDN (total digestible nutrients) including 7 to 10 percent of digestible protein. Whole grains can be fed to livestock using a simple mixture of the whole grain with a commercial protein vitamin mineral supplement (30 40%