I am not sure about my daughters sebright eggs. I took a video of them. This is day 18. There is lots of light shining through and the air sac is really huge and it moves away from the inner shell lining. ALL 7 seven eggs look the same with the exception of not all have the air sac that moves. The video isn't the best but I woud like opinions on if you think they may have stopped developing. I don't exactly know how to answer her. Thanks.
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