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Discussion in 'Incubating & Hatching Eggs' started by mycountrycabin, May 23, 2008.
I have had stored eggs keep up to seven days and still hatch. I haven't had any luck with ones older than that. My hatch rate really seems to drop though after about 4-5 days. Hope this helps.
Most websites say that hatchability declines after a week. But it also depends. I see a difference, like Smith2, after 4 days.
On eggs less than 4 days, I have had 100% hatchability on several hatches. On eggs 7 days, I get about 40-50%.
I got a 100% hatch rate on eggs that were stored about 2 weeks....beginners luck I think.
I would say max. 1 week. I have put eggs in the bator that were 3-4 weeks old and 5 out of 10 were fertile.