Thanks for the suggestions. I have thought about the protein issue, their feed is 18% protein and since the plucking started I have supplemented with meal worms daily just in case. Due to the weather they were stuck indoors for about a month, that’s when this all began- but getting down to the skin just started. I will check for that oil, thanks!It looks like something pecked him, scratched him, or he pulled a few neck feathers out, probably because of a protein deficiency. Chickens are cannibals and if they see blood, boom, they're there, pecking and making it worse. I would say separating him would be a great idea. I realize that that's probably not the most convenient idea, but it will help him heal. I would use a large dog crate if you have one. Keep using the neosporin on it and try some Melaluca essential oil; does wonders for their skin. So I would say start feeding your birds a higher level protein for just a little while and keep doing all your're doing. A lot of times the only way to keep this from getting worse is to separate him, at least for a few days until the hens forget about it. I have also seen these crow-preventing thingys that wraps around a roo's chest that keep him from crowing. If you can't separate him, maybe you could try one of those to protect his chest. Just Google them. Hope he starts feeling better!
He’s going to be a year old next month... do they molt at 11 months old?Is he perhaps going thru a small molt in that area?
That could certainly be a reason. Lice can sneak up on you without you realizing it.I would check for lice around his neck and under his wings, or mites. He could be scratching the area raw, pecking himself, or others could be keeping the area red and inflamed. You could apply some menthol (generic BenGay) ointment to the red area to soothe him, and to hopefully keep them from pecking. If there are mites or lice, treatment with permethrin or spinosad is recommended at 7-10 day intervals, along with treating the coop. I would also try to get them outside daily to free range to alleviate boredom. If this doesn’t help, I would seek a vet’s help for other medicines, such as prednisone for inflammation.
If you have a cat carrier they work great for transporting Chickens too.I have checked on several occasions for mites and lice- during the day and at night, on the chickens themselves, the roosting area, and on any feathers I found on the coop floor. No signs of anything. One of the hens was at the vet for a laceration on her side last week and during her exam the vet said she didn’t see any signs of lice or mites either.
I may have to take him to the vet too to get to the bottom of this and to treat it if it gets worse, but catching him and stuffing him into a cat carrier will be quite the chore, so I’m hoping to figure out how to fix this myself!