Update:
Sadly, she died this morning, despite our best efforts. The place where her wing was hurt was too much for her. (Plus I think it may have been infected, even though we cleaned it.)
Nevertheless, Thank all of you for your advice and help.
Update:
She has lived through the night, and is awake, but still needing rest and sleep. Wounds look pretty much the same, and we're still cleaning them. She's sitting up a little better, and trying to get up. Still really exhausted from last night, but I 'm hoping she's doing better. We have...
My chicken is an adult French Copper Maran (hen), and I went into my back yard and found that my dog had pushed through the gate and torn off my chicken's wing, bit her on her back, and you can see the meat! (shudder) We sprayed it with chicken wound spray, and put gauze on it. We have put...