HELP! Mouscvy duckling!

Hey everyone, I'm Chelsea and this a photo of my (about a month old) mouscvy duckling iv named lily.
My boyfriend lives on a sheep farm, and they are trying their luck breeding moscuvies for meat! This is thier first ugh littler? Ducklings? Cluster? I don't really know what you would call all the babies.
So yesterday we came home from camping and noticed my little girl lily stuck in a fence with feathers missing and blood, after freeing her I realised it wasn't the fence that has caused the injuries but I think the drake has pecked her and made a bloody mess. I instanly rang my vet and explained I couldn't take her into them as they wouldn't spend money on her when she's obly worth $15. They gave me some advice on how to clean her up and if I could see all edges on the wound she wouldn't need to be taken in. I cleaned her with a very diluted betadine and water mix ( a very weak tea colour) her woulda look like a big blood blister and iv been cleaning three times a day! (Snice yesterday morning) after the first clean I noticed flies had already got to her and laid maggots, I instantly called my vet back and they said I could use the stuff people use for fly blown sheep but at my own risk as they have no feed back on it. I dabbed the smallest amount over it and gentle squeezed out any maggots I could see.
Today they gave her to me to look after and keep her as a pet if she survives.
Iv made up my old rabbit hutch, with plenty of straw a 30cm tray with 2cm of water and plenty of duckling food, I have covered it in fly screen mesh to stop more flies getting to her. She's eating pooping and swimming around normaly! I have noticed today she has a sore leg, won't walk very far and limps, but nothing feels broken!
So basicly im asking for all the advice I can get in helping with her care, and rasing her.
Also can anyone help with stopping maggots? And how long will her feathers take to grow back? Cheers in advance everyone

 

I forgot to mention no noticeable maggots today!

 

Thank you
I'm worried about the maggots as I know they can burrow deeper and go unnoticed and I don't want her to get any sicker! After three days im attached and a mother duck with no experience haha I have to run a few errands then im off to the feed store to see what they can offer me to help with lilly products will prob have Differnt names here is Aus so I will try explain to them what you explained to me im not sure how old she is, I didn't really take notice of when they hatched but I think it's roughly a month old! She was singing to me this morning, it's like she knows I am trying to help will keep you updated

 

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This is during her clean today, she weight baring and not limping today couple photos of her wounds! Any feed back would be fantasic xo

 

Nothing as yet! They weren't open for some reason I will try again tomorrow! Or Monday as its Friday here and know the food place isn't open Sunday still just doing the weak tea coloured betadine! Again no sign of maggots when I touch the areas but I'm still worried! Did you know if there's anything I can do to draw them out if they are there? Being over paranoid about it I guess but it can't hurt! And yes the dog, that's tilly ( tilly and lilly lol) she's a rescue I have brought up from 3 weeks old, I trust her, they will never be left alone together and Lily's hutch is very secrure! So she is safe from tilly and my other non trust worthy dog who is locked up when lily is out! But I had to say it was a cute picture