NUTRO™ WHOLESOME ESSENTIALS™ Large Breed Puppy Pasture-Fed Lamb & Rice Recipe Dog Food always starts with pasture-fed lamb and is made with high-quality nutrients like glucosamine and chondroitin. This dog food contains calcium to build strong bones and joints and omega 3 fatty acids like DHA to support the growth and development needs of your large breed puppy. . NUTRO™ Food for Dogs always follows the THE NUTRO FEED CLEAN™ philosophy, is always made with Non-GMO* Ingredients and contains no artificial flavors, colors or preservatives. 30lb.