Do you see any other signs of wet fowl pox? Did you read much of the thread that I linked in post 5? That case of fowl pox is unusually bad, but it is informative how she is treating them. Here are 2 links about fowl pox and canker: http://edis.ifas.ufl.edu/vm021 and...
The picture of the lesion around the beak could be a sign of something else. Is there any yellow material inside the beak? Wet fowl pox can cause lesions on the outside and inside of the beak that can cause respiratory distress. Here is a very graphic thread on the worst case of fowl pox I...
The lesion near the beak is concerning. Is it only on the outside of the beak--is there any yellowish material inside the mouth? Wet fowl pox can get inside the mouth and throat causing respiratory distress. Canker is another one that does that.
Mycoplasma (CRD) is possible, maybe infectious bronchitis, but you can't know for sure without a test. Your state vet's office could tell you how to get one tested through your vet. Here is a link where you can get info...