Taste of the wild high prairie puppy is a balanced holistic dry food for growing dogs of all breeds the biologically appropriate kibble is based on the original feeding habits of dogs while taking your puppys lifestyle into account it is grain free since dogs cannot digest grain easily and it is known to cause digestive problems in many dogs sweet potatoes are packed with fibre and vitamins and provide healthy carbohydrates as well as iron calcium and beta carotene taste of the wild