A simple automated hatch ranch you can make before filling your initial ranches, thus making egg management minimal. It requires no power, however it should be noted that while it is automated for the player, it is still a task for the dupes, and it takes up some of their time.
 
 

The Farm

 
 

 
 
The dispenser is set to any eggs you want to butcher, and its priority must be lower than the incubators that refill the ranches. Sweep only is disabled, so the dupes will automatically carry eggs first to the incubator, if empty, then to the dispenser, which will drop the eggs in an unreachable spot, where they will hatch and stumble into the death trap.
 
 

 
 
The critter sensor is set to less than 1.
 
 

 
 
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