Zignature Dog Dry Food Grain Free Trout & Salmon Limited Ingredient FormulaZignature Trout & Salmon Meal Formula is made with high quality Trout and Salmon Meal to give your pup a true taste of the sea! This flavorful fish combination is made with heart healthy trout and salmon meal as the first ingredients, and features nutritious ingredients like peas and chickpeas to real in a well balanced diet. All Zignature recipes are based on a meat first philosophy because dogs are carnivores and require high quality animal protein