Vent holes covered or not?

[BentoMinion]

I have read of some people leaving the vent holes in and some not. My incubator is a still air and seems to hold temp well if they are closed. When opened it varies about a degree or so. This is in the most temp. stable room in my house. Should I just put one plug in and leave the other out? I go and pick up my eggs tomorrow morning.

 

[ChickenCanoe]

They need to breathe. When I used one of those I had them open and wrapped the sides in towels for insulation.

 

[gimmie birdies]

breath breath!

 

[gimmie birdies]

I am on day 16 with my eggies, I have just installed more air holes. cardboard incubator.

 

[Sally Sunshine]

https://www.backyardchickens.com/a/hatching-eggs-101

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VENTILATION (OXYGEN)
Ventilation is VERY important during the incubation process. ​