I don't know lol! Could be dust or something!!
I will definitely let you know, we will take her to th vets in about two weeks, it's nothing serious, so..
Maybe there's something going round like that, but my two buff Orpingtons:
Are breathing a bit oddly. They are rattling when they breathe, and make a short "humm" at the end of their breath. Then they sneeze every 10 mins or so, and it goes away. 5 mins later its back. It's been going on for a...