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I just got a new cabinet incubator.  It has kept the temperature rock steady.  I use the digital thermostat included with it, a regular old fashioned glass thermometer and a back up digital thermometer.  None of the temperatures moved unless I opened the cabinet to take the eggs out to candle.


The humidity fluctuated some, but no major swings, just a couple % up and down here and there.  I double checked it with a wet bulb weekly.


The eggs were only a couple days old at the oldest, they are in a turning tray.


I lost 10 of 22 eggs at around day 20-21.  I opened all the eggs and they all looked good, air cells were appropriate sized for 3 weeks into incubation and the ducklings all looked normal for the time frame.


My ducks are not related to each other and are all healthy.


I'm trying to figure out what I did wrong.



One thing I did not do was move the eggs around in the turning tray.  I've now read that you should move them in case you have warmer or cooler spots in the incubator.


Any other thoughts?  I am getting ready to put more in and I don't want to go through that again.  It was heart breaking.  I feel like I brought them to life, then did not give them what they needed to make it.