Looks like the same thing mine has. It happened overnight, all my other chickens are fine so far. Mine free range and roost under my big deck so ventilation isn’t an issue. I’ve always given them all a mixture of layered pellets and scratch feed a couple times a day plus their foraging. This...
I have a yearling rooster that seems to have gone completely blind over night. He used to be the one the other roosters picked on and they would make his head bleed but I got rid of those trouble makers months ago and he has been fine. Now both of his eyes are cloudy and he is completely blind...