Premium Duck is a complementary feed containing premium British minced duck, fruit and vegetables, all combined in a delicious, nutritious meal. Perfect for working and assistance dogs. Responsibly Sourced Human-Grade Ingredients: Made from the highest quality ingredients to ensure your dog gets the best nutrition. Rich in Essential Minerals: Duck is naturally rich in minerals such as zinc, copper, iron, and selenium, which help support and protect the immune system. Nutrient-Dense Heart Tissue: Duck heart tissue is pure muscle, naturally rich in minerals and complex B vitamins that help maintain energy levels and support overall health. Ground Bone for Digestion: Contains ground bone, which aids digestion and provides calcium and phosphorus to support strong bones and teeth.