Dogs have adapted to human's actions and can live with a starch diet unlike other canid animals.
You choosing dogs as pets is wise. Dogs being associated with humans has encouraged them to become uniquely attuned to human behavior, which has led them to be so much more better suited to co-exist and be pets with humans over other canid species.
I have three small dogs! They're adorable. Did you know they were the first to be domesticated? They are also been purposely bred over a thousand years for various uses. Wow really? I just bought mine from the breeder and didn't think too much about where they came from.
Their long association with humans has led dogs to be uniquely attuned to human behavior and they are able to thrive on a starch-rich diet that would be inadequate for other canid species.