1) What type of bird , age and weight.
RIR Rooster. about 9 months...give or take a few....no idea
2) What is the behavior, exactly.
No unusual behavior. Just looks terrible
3) How long has the bird been exhibiting symptoms?
A few days now
4) Are other birds exhibiting the same symptoms?
Yes, but only their butts. I suspect pecking.
5) Is there any bleeding, injury, broken bones or other sign of trauma.
No
6) What happened, if anything that you know of, that may have caused the situation.
I have seen a hen pecking a hen.
7) What has the bird been eating and drinking, if at all.
Normal diet. No change
8) How does the poop look? Normal? Bloody? Runny? etc.
A few have runny.
9) What has been the treatment you have administered so far?
I have tried upping protein.
10 ) What is your intent as far as treatment? For example, do you want to treat completely yourself, or do you need help in stabilizing the bird til you can get to a vet?
No vets here for chickens. So myself.
11) If you have a picture of the wound or condition, please post it. It may help.
None
12) Describe the housing/bedding in use
hay. Housing an enlosed area with parallel roosts. They have plenty of room to range also.