Preeeeeetty sure that’s a crack?
I must have missed it before I haven’t taken this egg out to candle since day 1. Developing embryo.
What would you do?
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I would leave it in... it looks to be developing ok. But I’m a hopeless optimist. What day are you on?
	

 The egg size difference is HUGE. They're significantly larger than any other egg I've incubated or I would say you could incubate them together and be like "well this doesn't look like a duck" when it hatches. lol!!
