I have a 2 1/2 year old Easter Egger rooster. Possibly the best roo I've ever had. Last year when he molted he lost his entire beard and it never grew back. I thought it was odd, but wasn't too concerned because otherwise he was totally healthy. Well, this year he molted again and his beard grew back, but now his comb is shrunken. Not cut off, frost-bitten, or anything like that, just half the size it used to be (basically looks like a hen's pea-comb instead of a rooster's). It's not paler either. Other than it being shrunken, he's perfectly healthy and happy. Any clues what could be wrong?