For foals and lactating mares being fed with their foals . . . Purina(R) Omolene #300(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 blend of amino acids and polysaccharides as found in mare's milk for optimal muscle growth and bone development in foals. Omolene #300(R) Horse Feed also provides additional protein and calorie requirements for lactating mares. Recommended For: Lactating mares, suckling foals and weanlings. | Purina - Omolene #300 Mare and Foal Feed | Size 50 lbs