Their soft skin sure does tear easily.... if you have flushed/cleaned it and blu-coated it then that is the biggest part of the battle. if it is gaping or easily seen when he moves around you could probably use a drop or two of super glue in the center to hold the edges together to prevent it from gaping and showing the red underneath. It isn't a good idea to totally close off a wound (in my opinion) but just one point of glue in the center will act like a suture to help hold the edges closer to each other so they can fill in and heal.
Triple antibiotic ointment can help also, but make sure it is the type without the pain reliever.... the pain reliever is something that can't be used on chickens.
If it helps, we had a young hen with a gaping wound on her side (from an amorous rooster) and with simple cleaning, blue coat and some triple antibiotic it healed in a surprisingly short time. (due to location on her we also placed a hen saddle on her for a couple of weeks)
ETA: I need to order some saddles for a few of my girls. It's becoming rather obvious who Joel's favorite ladies are.
Edited by Auroradream26 - 1/2/15 at 3:12pm
Cream Crested Legbars, BCM, Rhodebars, bearded silkies, good laced/buff laced polish, black/lavender ameraucanas
Bourbon red, red bronze, royal palm, mottled black
I also make hen saddles, PM me for details!