Is this Roster damage? I believe the bald spot the back is, I am just not sure the spots on the wing are. I have 11 hens and 1 roster, these are the only 2 with this mark? The blue is BLU-KOTE I tried putting on, it didn't seam to do much.
Those two hens must be his favorite ones. Did you treat the wounds with Vetericyn Spray first before the Blu-Kote? If your rooster continues this super-aggressive behavior toward them you might consider chicken saddles for protection.