I was counting on my NH to hatch on day 22-23, but instead they started at day 19 1/2...SURPRISE...they were done by 21!
I keep my incubators a degree or two over optimum (99.5) so that they hatch early. I get stronger chicks when they hatch early and if my eggs are not finished hatching by dy. 22 they are weak or straddled.
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