One of our poor girls has a issue, Her vent area is swollen and this isn't the first time. Close to a year ago she developed this problem her vent gets big and a reddish color, you can tell the skin has stretched some but no smell or mess just swollen.
We treat her with Espon Bath followed up...
Was patting one of our girls on the butt and felt a large round spot under her vent. Thought it was a egg so just let her be, next day it was still there so researched egg bound chickens and gave her another day. on the 3rd day i gave her the spa treatment in epson salt bath. and massaged her...