Zignature Limited Ingredient Trout & Salmon Formula Dry Dog Food. This formula combines two of the healthiest fish protein sources in the world. Both are high in heart-healthy Omega-3 fatty acids and rich in beneficial minerals like Potassium, Phosphorous and Selenium. Your dog will love this catch. Trout: High in protein, healthy Omega-3 fatty acids, amino acids, antioxidants, potassium, phosphorous, selenium, Vitamins B6, B12, and Niacin. Chickpeas: Potassium, B vitamins, magnesium, iron, and selenium. Chickpeas do not have cholesterol, so they may help maintain heart healthy. Peas: These anti-inflammatory nutrients contain Vitamins D, C, A, Calcium, Iron, Minerals, antioxidants, and phytonutrients. For all breeds & life stages Made in the U.S.A. Available Sizes: 4 lb / 25 lb