Here is some better info and what you'll be looking at. To me it looks like your gander isn't as far along as some I've seen so you maybe able to get it treated pretty easy. Cutting is last resort.
http://www.backyardchickens.com/t/807777/bumblefoot-new-ideas-on-treatment-with-pictures Give the Epsom salt time to work though you don't want to pull the scabs off till they are easily pulled off. Can you get colorless iodine?Read this all the way through because she found out she didn't have to cut .
Edited by Miss Lydia - 1/6/16 at 6:04am