Blue Buffalo, 30 LB, Chicken & Brown Rice Dry Large Breed Dog Food, Formulated Specifically With Glucosamine & Chondroitin To Meet The Needs Of Large Breed Dogs To Help Support Healthy Joints & Muscles, Made Of Delicious Ingredients That Dogs Love & Essential Nutrients Needed, High Quality Protein, Hearty Whole Grains & Nutrient Rich Vegetables Help Strengthen Your Dog's Immune System.