Blue Buffalo Wilderness, 24 LB, Duck Adult Dog Food, High Quality Protein From Deboned Duck, Plus Chicken Meal & TurkeyMeal Helps Build & Maintain Strong Muscles, Energy For An Active Life, Essential Proteins & Carbohydrates To Help Meet Energy Requirements For A Healthy Lifestyle, A Precise Blend Of Calcium, Phosphorus & Essential Vitamins Helps Promote Strong Bones & Teeth, Glucosamine Helps Support Joint Function & Overall Mobility, An Optimal Balance Omega 3 & 6 Fatty Acids Helps Promote A Shiny Coat & Healthy Skin, Essential Vitamins, Chelated Minerals & Important Antioxidants Help Support The Immune System.