Im not a expert. But all my eggs have had air sacs fertile or not. What day are you on? Sorry if I missed it.
Thats what I thought too.
Well I am on day 7 maybe, and also day 4. I checked on the day seven eggs after about 4 days of being under her and didnt see anything. I went inside and got some other eggs and put them under her and those are the day 4 ones. I am going to try to bring them all in tomorrow to check them out because I dont want her sitting on empty eggs. If all are empty, I am going to go to a neighboors farm and get an egg or two from him so atleast she can hatch something.
I am hesitant to crack open and egg that seems empty though... what if there actually is a baby in there!?