Hi, The swelling is quite major so probably a lot of puss (

?)
Here are my guidelines for removing bumblefoot. If you have any other questions I will keep an eye out for you on the forum

Hope all goes well for you
Think of a bumble as a dandelion, it has a root. What you see is the flower and you are removing the flower but the root continues to produce more flowers…and the root grows.
So, in my opinion you cannot cure bumblefoot (or kill the dandelion) without removing the root.
So; Before you start, fill a sink /bowl with Luke warm water and betadine liquid so it looks like weak tea. Keep her feet in the water solution for no less than 20mins to soften the scab.
Use a sterilised (I use betadine) scalpel (
Amazon) to cut out the bumble. Also do not just remove the scab remove a little bit of skin, slightly, around the scab. And make a dent as you cut out the root or as much as you can.
I always found that this would leave a dent in the bottom of the foot, a dimple if you like. Fill this with neosporin cover with a dressing with neosporin on it, bandage preferably with a grippy bandage. Keep her in a cage for a week reducing her walking. Put her on antibiotics during this week.
Change the dressing and repeat with the neosporin after four days. Depending on whether it looks healthy either put back for another week or remove the bandage with fingers crossed.
Don’t be surprised if it comes back and you have to do it again but it looks like you have caught it early so good luck.
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- Non Invasive (Copied - i haven’t tried this)
Here is what has worked for me without cutting into the foot as that can cause more damage and irritation.
Soak in water with iodine for at least 10 min. (longer is better). Apply prid (or other drawing salve) and and antibiotic ointment place a piece of gauze and wrap with vet wrap. Leave for 3 days unless it falls off before that. Then, repeat the process checking every 3 days. At this point, it will be easy to just pick at the scab with a gloved finger. Most likely once you soak the 2nd time, it will become soft enough to pick at. Only pick at it so much, as you don't want to cause pain. Regardless what people say chickens do feel pain. Once all of the staph is removed you will see a hole. I still soak and apply antibiotic ointment at this point. The skin will start healing and once that happens, you can stop the soaks. You can spray with vetrycin or another poultry aid if you want, but it's not necessary.
If bumble is caught early enough, softening with a spray has been all that is needed to pick the scab off.
Look up Non-invasive ways to treat bumblefoot. The blogger Tilly's Nest has a good write up and there are a few good you tube videos demonstrating the method I've described.