If there are no openings larger than a half inch, and nothing that can be chewed through . . . . well, I would keep him in close at hand for a night or three.
Let him wash off at a leisurely pace in lukewarm water deep enough to float in.
While he's in the tub, look him over. Your initial impressions may or may not be correct about the nature of his wounds.
Blu kote sounds good.
Poultry nutri-drench would be good for him , or other poultry...