I was planning to drain the fluid in her abdomen, but I don't think it is a good idea for me to proceed, since the area where I can feel fluid is 0.5 inches or less away from where her intestines should be. The needle that I have have a length of 1.25 or 1 inch. The middle area of her rear abdomen and on the middle of her abdomen feels hard. I can only feel the hardened eggs on that area, and I can't feel any signs that ascites is in there. Last week, I can only feel fluid on her abdomen. Does chickens with egg yolk peritonitis even sleep?
I never expected, that if a chicken have ascites, she can be laying internally. Her swollen belly became normal in size at least 3 months ago. So, there is really no hope for her, even if I gave her the recommend amount of amoxicillin?
It may not necessarily be hardened eggs you are feeling it could also be tumors. Either way, when hens get into this situation there is little hope. We've gone through this several times over the years and I've gotten to the point that when I see these symptoms I put the bird down or have it euthanized. They do suffer a lot with this regardless of the cause and by the time they are showing such outward signs they are very sick and uncomfortable. They really are tough birds and the end does not come easily or quickly for them.
That said, depending on the actual cause of this for your bird, EYP vs some kind of tumor or other disease, antibiotic's and removing fluid can help but it's very temporary, it does not solve the underlying cause and before long you are right back where you started.