Breathing with open mouth and rattling

[Brindlebtch]

I have a couple of chickens that are breathing with their mouth open and you can hear mucus in their throats. Coughing and sneezing, but not a lot of either. This is their 3rd day for Tylan injections, and one still has the throat rattle, so I thought I would continue the injections for another 2 days.

No significant nasal discharge, no bloody mucus, nada eccept what I have described. Oh, and no diarrhea.

Is this infectious bronchitis?

 

[FarmGirl01]

I had the same thing a few months back. I did what you are doing. All but 1 improved. I didn't know what it was. Maybe someone will have an idea.