Hey Jerry. That's the best decision you could have made. We feed our dog vegan since he was 6 months old. He is now 4 years old and he is doing very well. He has no problems and smells really good. The veterinarian always says that he rarely has such healthy patients.
The switch to vegan food is difficult for some dogs and they sometimes get diarrhea. You should make the transition flowing.
Our food preferences are the following:
Greetings from Germany!
Obvious
That's really good to hear! (with reference to my comment above/below)
wrote some words to your comment ;)