Here is the issue with someone saying cut at day 53, if you incubate a low temp and you hatchling pips naturally at day 62, you have your hatchlings being exposed to bacteria and they risk to dry out for the next 9 days, which ultimately is not a good thing.
While cutting can be a good thing, it can prevent hatchlings from drowning it should not be done too early.
I always encourage people to do it once the first hatchling pips or 48 hours before they are due, obviously if you cut 48 hours before they are due that means you have hatch enough hatchlings in the same envrinment and temps to predict acuratetly when they are due.
Now when it comes to your eggs it depends at what temps you incubated and what your eggs look like.
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