Dogs with chronic kidney disease often lose their interest in food it is important that you feed your pet a food which is highly palatable and tempts your dog to eat royal canin veterinary diet renal rf 14 is an energy dense dog food especially formulated to support renal function in the case of chronic or temporary renal insufficiency through its low level of phosphorus and high quality protein moreover it is formulated to reduce oxalate stone formation through its low level of calcium