Edit- I have discovered that she has a vent prolapse. I have given her a warm bath, blow dried her feathers, and used a rubber glove to apply Preparation H and hold the vent back inside of her body for a few minutes. Then, I put her in a separate cage with food and water so she won't lay any...
My serama hen had pasty butt so I soaked her bottom in warm water and epsom salt, after drying her off I noticed something hanging out of her butt I pulled it out gently and was soft shell I increased her calcium intake—she was eating layer feed and had access to oyster shell all the time...