Benefits: ; for your adult dog's special needs Promotes a urinary environment unfavorable for the development of calcium oxalate and sterile struvite stones. High protein Moderate fat No added salt; Most struvite uroliths in dogs are caused by urinary tract infections UTI.; Caution: In the case of non-sterile struvite uroliths, it is important to treat with the appropriate antibiotic in addition to dietary management. Purina Pro Plan UR Veterinary Diets Canine Urinary Ox/St 13.3 oz cans x 12. I do not receive this product or any others in exchange for this article, I do get a commission for readers clicking the buy now links which helps to differ the cost of hosting this blog and I sincerely hope this article site helps you with your search for Vet Approved Rx products.