Those are very good signs. Keep taking care of the wound, she'll heal up quickly. Is she getting her wound wet when she's swimming? If she is you'll need to clean it afterwards and redress it.
It depends if the feather follicles were damaged. My rooster was scalped and is mostly healed. One narrow ribbon of missing feathers.
How is she eating and drinking?
Hi! I'm so sorry! Did you see maggots anywhere?
Meat birds generally don't have long life spans, he may have had a heart attack. Can you post pictures of your silkie roo?
Hi! If it was ripped off she wouldn't be able to hold it in the closed position. It would just hang loosely. Clean the wounds with saline and then slather with plain antibiotic ointment, twice a day and sniff it every couple of days to make sure it doesn't stink, which means it's infected...