Purina has updated the line of Horseman's Edge horse feeds and reintroduced them as Purina Impact horse feed. These are the same line of products available in new packaging. With more than 85 years of research behind them, Purina High Impact horse feeds offer the following benefits: Formulated by Ph.D. Equine Nutritionists for Optimal NutritionHigh Quality Protein for Muscle MaintenanceAdded Fat for Sustainable Energy & Healthy Hair CoatVitamin & Mineral Fortification for Bone Structure and Immune System SupportQuality Ingredients that are Highly Digestible and Naturally PalatableNutritionally Balanced so No Nutritional Supplements Are NeededPurina's Impact Hay Stretcher horse feed is formulated to provide a complete all-in-one diet for the horse, hay included. Contains 12% protein plus vitamins, minerals and fiber sources to meet the needs of active pleasure horses. Pelleted. | Purina - Impact Hay Stretcher Horse Feed | Size 50 lbs