Avian flu Possibly

[JacinLarkwell]

Is it normal to kill the birds first and find out later? What method do they use to euthanize?

Gassing and foaming seem to be most common depending on where it is

 

[CoriM]

Whatever happened with your birds?

 

[Wyorp Rock]

OP made a small update to this other thread.
https://www.backyardchickens.com/threads/mystery-illness.1554054/post-26381044

 

[DawnLee]

Gassing and foaming seem to be most common depending on where it is

That is awful!