@PeachygirlGA I'm so sorry to hear about your hen :-( Had she shown any other signs of illness or distress besides the dirty hindquarters? My hen seems absolutely healthy and she's laying 6 eggs a week. It's just this one weird thing. I love her to pieces, so I sure hope that she's okay :-(
I believe that one of my Easter Eggers may have worms. She seems totally healthy, and she's laying well. However starting a few weeks ago, I've noticed that the feathers around her vent remain filthy all the time. Because she's white, this is very obvious. Here's a photo I snapped of her walking...