Any help appreciated

[peeperbird]

i believe this too be bumblefoot but our closest aviarian is 12 hour trip if anyone has dealt with this any help as to hoe to remove and after care and before prep would be highly appreciated the green stuff is bio freeze

 

[Wyorp Rock]

Here's your other thread with better photos - I'll respond there.
https://www.backyardchickens.com/threads/what-could-this-be-and-what-to-do-about-it.1492338/