Mpb
In the Brooder
Between 99.5 and 100.5. You can calibrate the thermometer on the incubator to make sure it’s right and I did thatSo they started on day 21, making them five days early? That's still pretty early, but less crazy than them hatching on day 19. What temperature was your incubator at? And was this verified by a separate thermometer or were you just trusting a built in display?