This threads been dormant a bit, but if really like to know how it turned out.
I have 20 hens and 2 roosters. My flock is a mix of Easter eggers, olive eggers, black copper marans, welsummers, and blue americaunas. This spring I had one girl come down with bumblefoot. I soaked it with Epsom salts, removed the kernel, and coated with vetericyn and vetwrap.
Now I noticed another girl with a red inflamed bumble and inspected the flock. 16 of them have the small black scabbing the center of their pads. They are true free range and have run of the whole properly. The coop is clean and perches are sanded 2x4s. There are so many with scabs its going to be too time consuming to soak treat and bandage them all and do daily rebandaging. I hate to confine them to a run, but I don't know what else to do to prevent the bumbles. I've gotten so much conflicting information. Some have told me that if there is not an abscess eventually the body will push out the kernel and heal itself. One person I know says leave them and if it gets crippling they go in the soup pot (mine turned into pets, that's not an option).
I'm not sure what to do at this point and if free range is a viable option. If hate to lock them up. They are so happy roaming around.