We have had unusually cold weather with wind chills down to negative 20- 40 degrees. Despite this cold all my hens still insist on going outside. Now my foghorn leghorn hen has swelling and slight discoloration on her comb. I brought her inside and have applied a warm compress to it but I am wondering what else I can do if anything to save the comb. It's not cracked and there is no blackening so I am hoping I caught it soon enough. Any tips are greatly appreciated! She is such a pretty girl, I would hate for her to lose her comb.