Thank you for this! Thankfully I do not have this, but I do have Infectious Coryza, sadly, and I am am doing a massive culling of everyone with even the slightest signs. Us moving will be very helpful for our next flock, we will start all over again except for a duck, a bantam, and a standard...
He broke his neck in the open pen he always goes in. During feeding he must have been to excited to go out the proper and got his head stuck and broke his neck. :(