Zignature Select Cuts Trout & Salmon Meal Formula for dogs is a meat first recipe, paired with ancient grains - making it high in fiber and protein. Trout and salmon meal are the first two ingredients in this delicious formula. Then, it's bound with healthy wholesome ingredients like oats and millet. Trout is an excellent source of protein, niacin, vitamin B12 and Omega-3 fatty acids, which aim to maintain healthy skin and a shiny coat.