Hi weimlove –
I completely agree with everything Shawna said. Basically those that feed prey model raw with the 80/10/10 ratio are feeding an approximation of a prey animal – rarely does the dog’s entire diet consist of actual whole prey animals. You need to consider everything your dog isn’t getting from a homemade diet. A dog in the wild would eat everything – fur, skin, sinew, glands, organs, marrow, bone, flesh, some of the stomach contents, fat, etc. etc. – there is so much of this that’s just not available (or not always available) for us to feed to our animals. You can feed, say, 1 lb. turkey Necks, 12 oz. ground beef and 1.5 oz. Liver and 1.5 oz. kidney and that would be “balanced” in terms of having an appropriate calcium to phosphorus ratio and adequate amounts of organ meat – but a whole prey animal doesn’t consist of only turkey neck, lean ground beef, liver and kidney – there’s a lot of other stuff in there that your dog is missing out on. The other thing to consider is that commercially raised meats generally have lower concentrations of nutrients than wild game and contain much higher levels of omega 6 fatty acids and much lower levels of omega 3 fatty acids. Adding veggies and supplements can help fill in these nutritional gaps in our modern interpretation of the dog’s “ancestral diet.”
