While these diets may provide adequate nutrition, they are not a substitute for a true, novel protein source diet. (ohiolabradoodles.com)
This puppy formula combines the best of both worlds, it is grain free in addition to being made with a single novel protein source — duck. (wileypup.com)
Many different pet food manufacturer offer cat food products made with novel protein sources like duck and rabbit but they are not all good options to feed your cat. (kittycatter.com)