Pine,
we don't have a roost - they are currently in the garage. I covered the concrete floor with a thick layer of cardboard and then piled about 4 - 6 inches of pine shavings on it.
BUT, she may have gotten stepped on during transport as she was in a cage with others - not optimal but I'm wondering if this is where the problem started. Its just weird its on the TOP of her feet, not underneath.
Frostbite could honestly be an option as we had some really cold weather (low 20's) in Oklahoma. I ran heat lamps, BUT they are in a huge garage in front of the door so even though I did our best to keep them warm, using extra cardboard and heating lamps, it could be that it got frostbite.
So, how do I treat frostbite??
Thanks so much for helping a newbie. I tried to do all the research I could before accepting the chickens, got out poultry books from the library and coop design books (we are building the coop this weekend) and a small poultry medical aid kit.
Steep learning curve.
I upset because an animal suffering because of my ignorance.
Thanks again everyone, I'll post pics tomorrow.
Anthea