This will make white birds have yellow in their feathers. If it is a cold climate then look at the grocery store for some white popcorn. Yes, it does exist and this does work. Anyway, I would keep birds that are white on a diet consisting largely of wheat. This will not affect feather color.
Corn has no nutritional value, however, it helps maintain body warmth when it is cold.
If I can answer some more questions just email me. I would say that they are about two months old. This is a private posting area. A valid username and password combination is required to post messages to this discussion.