1 in 267,000 whitetails carry the gene that will allow all or part of its skin to not have pigment, and both parents must have the gene, so if you have piebalds you have either too many deer or there is inbreeding going on.
[Linked Image from i.imgur.com]
[Linked Image from i.imgur.com]

If your going through hell, keep on going, don't look back, If your scared don't show it.
You might get out b'fore the devil even knows your there.
(Rodney Atkins)