Her tail is up a little better and she looks good out in the yard. With lash eggs and the problems that reproductive disorders cause, they may have good days and bad. Let us know how she does.
I’m sorry that she is not doing well. Unfortunately when lash eggs appear from salpingitis, antibiotics seldom will help fight the infection. You can try more if she is responding to them. Coelomitis (formerly egg yolk peritonitis) is very common in hens over 2 years old. It is important to do a...
I think that again the possible worm is just mucus from the vent. She obviously has some reproductive disorder, possibly salpingitis. Other than spending a ton of money on a specialty vet and hormone implants twice a year, I think that I would just let her live out her life, as long as she is...
It may be a glitch in her laying if an egg comes down the oviduct and then reverses course. Here is link with weird eggs and possible causes:
https://www.yellowbirchhobbyfarm.com/weird-eggs-101-the-oddities-explained/