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Sorry, but I have to disagree with this a little.
I think that 70% is a bit too high because when the chicks start hatching, they produce some humidity of their own and having it at 50-60% is what I think would be best. For me, over 65% is too much because you don't want to boost it up that high and then have some not make it because of too high humidity because when they pip the inner membrane (the air bubble, which will be their first breath of air), if humidity is too low there's a chance that it will build up in the air bubble and drown them when they pip. So 70% isn't all that bad (not as bad as 80%, as I've sometimes seen people recommend on other threads) but IMHO I would keep it at 50-60% or even up to 65% but no higher.
As for the lockdown, I agree with everyone that sometimes you will get early hatches because of high temps. and it's probably best to put them into lockdown now. What I'm wondering about is that what if only a few of the eggs are early hatchers??? Will the lockdown affect the others that aren't ready to hatch yet? Or do you have a separate hatcher for them? Just a thought.
Good luck!
Sorry, but I have to disagree with this a little.



As for the lockdown, I agree with everyone that sometimes you will get early hatches because of high temps. and it's probably best to put them into lockdown now. What I'm wondering about is that what if only a few of the eggs are early hatchers??? Will the lockdown affect the others that aren't ready to hatch yet? Or do you have a separate hatcher for them? Just a thought.
Good luck!

