When I had the 5 magpie eggs under a broody I could very clearly see veining and a beating heart at day 4 with my second batch I had to wait until day 7.
Excited to hear your results.

Excited to hear your results.
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thats amazingYesterday I set a very fresh light colored egg at 12:40 pm. Just candled it (8:30 am) and I *can* see signs of life. I will set another and try to figure out how soon I can tell, but I'm think that with the right set of circumstances, like bright candler, light egg, that one might be able to see development at ~12 hours.
Just set a fresh white egg and will try to check every four hours.thats amazing
No doubt! Some of these eggs eggs I'm using are so light that I can candle them without having to go into a dark room.I'll respond so I'm subscribed too. I think there are two major factors. How good is your candler and how easy are the shells to see through. I think you'll get a lot different result with a white egg compared to my darker green eggs. Those are tough.
If they are eggs you care about I would leave them alone, but if you're curious, go ahead and check them.I set eggs on tuesday, I will try an early candle but doubt I will see anything.![]()