Zignature - Dry Dog Food - Grain Free Duck - 25LBOverview: Made with farm raised Duck from Western France, Duck provides a flavorful source of complete protein that is often well tolerated by pets with food sensitivities. Its high in essential Omega 3 Fatty Acids, Iron, Phosphorus, Zinc and Selenium, while low in sodium. Our nutritionally correct ratio of fruits and vegetables rounds out the recipe with powerful antioxidants and fibre rich low glycemic carbohydrates. Physiologically Tuned, limited