For competition and breeding horses with roughage built-in . . . Purina(R) Omolene #400(R) Horse Feed contains the Purina(R) Amplify(R) Nugget, a patented, high-fat, extruded particle that contains a proprietary blend of vegetable oils, flax seed and rice bran for an optimal fatty acid profile. It also contains a high amount of loose beet pulp shreds as an excellent source of fermentable fiber for slow release energy. Omolene #400(R) Horse Feed contains no barley, oats or alfalfa making it ideal for horses that are heave prone or allergic to dust and mold found in hay and other foodstuffs. | Purina - Omolene #400 Complete Advantage Horse Feed | Size 50 lbs