Hello everybody! Recently these two goats started to have scaly and peeling skin on nose. One even has cracked skin on the mouth. Pictures below. What could it be? How to treat it? Is it something serious?

I have a year old doe that has a crusty nose. She started it in the summer/fall. I clean it out when its really bad. None of the other goats have this problem. I did not know if it could be allergies. It is not always crust. She does not cough. She is due in about 19 days if she got bred the...