Sure and if they are naturally due to pip at day 60, that means being exposed to bacteria and the possibility of drying out for the next 10 days before they finally emerge.
Cutting if done should not be done lightly ideally if you know the temps and the average at which clutches are set to hatch (based on previous clutches incubated at the same temps) you can cut 2 to 3 days prior but in all honesty doing it once the first one pips is even better. Anything done sooner is a lot riskier and unecessary.
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