Wysong Optimal Performance Canine Formula Dry Dog Food 50% Protein. Contains Freeze-Dried, Raw Shreds And Chunks Of Organic Chicken And Superior Kibble A Natural Dog Food That Offers The Benefits Of Raw Feeding And Superior Kibble In One Package. Very Palatable And Formulated To Meet The Nutritional Demands Of The Performance Dog, But Suitable For Dogs Of All Life Stages, Sizes And Breeds Low Levels Of Carbohydrate And Glycemic Index, Organic Ingredients, High Levels Of Enzymes/Probiotics/Micronutrients, Natural Omega-3:Omega-6 Ratios No Artificial Additives Or Non-Nutritional Ingredients. Very Nutrient Dense. Introduce Slowly According To The Feeding Guidelines Wysong Has Been A Leader In Pet Nutrition Since 1979