Each state has a state lab.
Which state are you in?
https://www.backyardchickens.com/threads/%E2%9E%A1-necropsy-disease-testing-state-labs-info.1236884/post-19849025
Okay, thank you for responding back.
I just want you to understand that it is highly likely that this bird has a respiratory disease and chicken. Respiratory diseases are not curable so you should think about him spreading it and you having to medicate all your birds.
Sometimes antibiotics can...