Thank you to everyone for all your words of advice and encouragement. Panni is doing pretty well today. I did notice she has a large area of bruising on one side of her chest- probably took this long for the bruising to reach the surface. But, amazingly, she is walking and spreading her wings normally. For now, she is drinking fine (with antibiotics in the water). She's also tolerating eating yogurt and cottage cheese without having her beak bleed at all. So, tonight I attempted to mix a very small amount of layer mash in with the yogurt. She didn't touch it, but I think she was ticked that I "ruined" the flavor of the yogurt with the layer mash. She did successfully peck at some mash on its own. I think it's just a matter of time before her beak strengthens up again. I am going to continue to offer her soft food and keep her regular food free choice, with water of course. I think I'll keep her isolated as long as she is still not able to eat 100% normally. And, I'm hoping this bruising will heal on its own and not cause any problems. She seems to be having difficulty pruning herself to the left, but the way she was all swollen after being hit, I think she is stiff just super sore.
Thank you again for the encouragement, thoughts and prayers. I am so relieved she is pulling through. And, also relieved the vet wasn't able to euthanize her! How sad to think I may have given up on her when she's fighting this hard.
Thanks! I'll keep updates coming.