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Enjoyed the factual read!
Well written, only discrepancy I have is with the % humidity being 75% or higher at lockdown. Humidity at that level has lead to 'stuck' chicks in my experince. Too much moisture acts as a lubricant, doesn't allow the chick to turn in the shell while zipping. Can also cause drown chicks by water droplets falling from the condensate on the viewing panes onto the pipped egg.
Good read on these extremely fascinating birds!
Some claims are made about studies without citations.
Although a lot of the process for incubating guineas is the same as with chickens, there are slight differences for temperature and humidity. This is good to know.