which to treat for first, coccid or giardia? or both?

[Jenbirdee]

So sorry that you lost her. If you would like to find out what was wrong with her, your state vet can perform a necropsy if you keep the body cold and take it is or ship it overnight. Here is a list of state vets including yours:
https://www.metzerfarms.com/poultry-labs.html

thank you

 

[Wyorp Rock]

I'm sorry about your hen