So I noticed that my 8 year old Old English Game Bantam Hen was straining, she wouldn’t eat and was standing in the corner. So we took her inside and gave her an epsom salt bath, she acted better again after pooping a little. So I thought it wasn’t anything to worry about and that she was fine. Then the next day I found her in the corner again so I gave her an epsom salt bath again, and stayed up until really late. She acted a tad bit better but I put her in an animal crate just in case. Today I noticed that she was straining a lot so I took her inside and noticed that she had the tip of a rubber egg sticking out of her vent. So I quickly put on gloves, then I slowly and gently pulled the rubber egg out. This is what I found inside. Then inside of the red thing was a yolk. The red thing was like a casing to hold the yolk. Is it a tumor, if not then what is it? How do I treat it?