Ok my flock is sneezing and coughing less over night no bubbles in eyes i think but my rooster is getting a deeper voice like he would gurggle when he gets mad now its like a really deep gurgle is he getting better they are acting normal when i got my trio of cochins could they of introduced a new deiseis to my flock that my flock has never of come in contact of before and they get sick but slowly make imunities of it to get better over time?