I've been home cooking for my dogs for over 50 years. Dogs ate "real" food before dog food was invented, and back then, they had a lot longer life span. Now days, our companion animals are not so lucky, and they end up with cancers and other major health problems, due in fact to over inoculating, chemicals to put on them and in them to combat insects and heart worms, and commercial foods & treats.
You keep right on feeding your baby real food. It's the safest and the most nutritious. Read these:
Chinaroad Lowchens of Australia - Ticks, fleas, bees, flies, snakes and other gremlins! And how to deal with them! Natural Heartworm Prevention Closer Look At A Rendering Plant