Most of the gaping wounds will granulate and fill in on their own as the wound heals. Dirty wounds tend to heal better from the inside out. Closing them with stitches can close up bacteria in the wound which may lead to abscess. I would not use neosporin with pain relief, just the plain kind.
Eating and drinking are good signs. It is still early in her recovery. I would just encourage her to eat and drink, and let her rest. A visit from a friendly chicken, or going to visit them in her dog crate would be good for her mood when she is feeling up to it.