Merrick Limited Ingredient Diet Grain Free Dry Dog Food Lamb Single-Source Animal Protein Recipes With #1 Ingredient Real Deboned Lamb Simple Ingredient Panel ForDogs WithFoodSensitivities. Poultry-Free Recipe. Grain Free With No Gluten Ingredients Recipe Contains Powerful Levels Of Omega-6 And Omega-3 Fatty Acids To Aid In A Healthy Skin And Coat And Leading Levels Of Glucosamine And Chondroitin For Healthy Hips And Joints Cooked In The Usa.