I don't think you need an specialist for her. How about calling an old fashioned vet? Most of the farm vets I know treat all animals.
I think it would be worth making a couple of calls. I like the previous poster's idea about wildlife rescue and posting a picture of her foot.
I hope she gets...
Have you called a vet? Baytril is used both orally and via injection. I would take her to the vet ASAP.
The drug you are giving her could be killing off positive bacteria and doing more to harm her rather than helping her.