It is good that she is up and about as well as eating and drinking. She is very lucky to be in such good condition. Hopefully, her voice will return, but with her neck injury, perhaps that is the reason for the voice loss. Let us know how she gets along.
Do you have any pictures of the wound? Peroxide is okay for the first cleaning, but it can prevent wound healing, so I wouldn’t use it anymore. Use some Vetericyn or a similar wound spray from a feed store. Chlorhexidene 2% is also good to use. Or saline. Keep the wound covered with plain...