you could hear peeping, or see movement
or you may hear nothing, and see nothing
unfortunately every egg is different and nothing is set in stone
i would sponge the ones that look small, and since you have to open it anyway, you can always hold a flashlight over them to see if they are...
the ac's look a little on the small side, like WV said i would mist/sponge 1-2x per day to help with that and stop turning now but wait to up humidity until drawdown or internal pip
Good Luck!!
this setup looks awesome! the only thing i would add is some bedding on that floor area in the back, with like a 4" threshold, and some nest boxes, they like to feel safe but also like privacy
and out at least 1/2" hardware cloth over the kennel walls, a weasel can squeeze into anything the...