I think you might be right but I wouldn't give up on it since it's only day 5. I really don't know anything useful about quail.Its day 5 for me with 20 quail and 5 chickens in there. Was wondering.....a dark free floating blob in the egg indicates a dead egg right? The egg in question is from my cochin hen so it is brown and kinda hard to see inside for veins.
CG