One of out Brahma layer hens just got a finger frozen yesterday (it's been around 0 F for last two days here). It is limping and keeps the finger bent. There is no visible tissue damage. Should I give it antibiotics to prevent infection? Ot take it inside to the basement to warm up (I would have done it already but don't have a large box and hate to have it cramped in a small one). Any other suggestions? Many thanks in advance!