Buddy Horse Got Hurt - Two Kinds Of Horses Those That Are Hurt - Those That Will Be Hurt

This appears to be some sort of bite reaction to bite. I think the hair loss is from buddy chewing at it. It is hot to tough so appears to be some sort of infection. Things I look for in horse injuries are: Change in behavior, change in eating habits/appetite, Lethargic, signs of pain, soreness/tenderness.

Here is followup video: https://www.youtube.com/watch?v=HfiSynqPOzk&lc=UgyX2Lu9yzmC6JOhDDR4AaABAg