Product Description: IMPACT Professional Mare & Foal Horse Feed Formulated with High Quality Protein with added amino acids including lysine and methionine to support breeding mares and growing foals. Added Fat to meet the caloric demands of breeding horses and to support hair coat shine and bloom. Vitamin and Mineral Fortification specifically designed to meet the needs of broodmares and growing horses. Controlled starch and sugar formulated with no corn or corn by-products.