I incubate my eggs at 89.6F and they usually pip on their own at day 52. I cut all my eggs at day 52 as this is when they generally pip on their own. For my own eggs (since I know they are most likely going to pip on day 52) some of the clutches I'll pip on day 50 (if I can't wait to see what is inside). I've cut eggs as early as day 47 without problems, however, I don't do this anymore.

Depending on your incubation temps you may go longer/shorter than day 52. I've never screwed up a baby from manually pipping an egg but I know some people have????? So, if you don't know when they are due to pip on their own I would wait to cut them.

Other people incubate at 90F and have their eggs hatch on 56-60 days........ Canada must have different air pressures or something as mine all pip on or around day 52 at those temps.

Corey

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