Charlotte's necropsy is attached.
DIAGNOSES:
1) Ovarian adenocarcinoma
2) Carcinomatosis with mesenteric fibrosis
3) Acute to subacute fibrinous coelomitis
4) Chronic fibrinous salpingitis
5) Acute necrotizing and hemorrhagic hepatitis
COMMENTS ON GROSS EXAMINATION: Based on the gross findings and the species, ovarian adenocarcinoma is the most likely diagnosis. Ovarian adenocarcinoma is one of the most common neoplasms in chickens. It can occur at a relatively young age, and is often fatal. This neoplasm is likely to metastasize throughout the peritoneum by implantation, resulting in carcinomatosis, as is likely the case here. Peritoneal effusion is reported to occur due to purported obstruction of peritoneal lymphatic vessels by metastases. This disease is not thought to be communicable, and occurs spontaneously within all flocks given enough time.
A standard surveillance test for influenza antigen was negative.
Once again I want to thank all of you on this thread who supported me through this. I got laid off from my job of 10 years on Nov 1st and we are struggling. It has been a really stressful and upsetting time. I don't know that I would have gotten through it without all of you here. While I don't wish this on anyone, I hope I can return the favor in some way in the future.
jonalisa