How does a hen increase humidity?

klf73

Mad Scientist
16 Years
Jun 1, 2008
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Maine
Ok, this may be a silly question, but, everyone says to increase humidity the last 3 days. How does the hen do this?
Krista
 
I'd say her hormones/body knows when to kick into high gear and she sets tight on the eggs....thats my high technical answer
big_smile.png
 
I don't think chickens or any other birds have sweat glands.

There might be some water vapor loss through the skin that helps with the humidity under a brooding hen. Just speculating.
 
personally I would think that the temp is from the hen and eggs, but more hens, but the humidity is actually the egg. When you think about it they can "sweat" and in a small area they would actually increase the humidity, and the inside of a egg is very wet and the egg's pores would allow some moisture out. Heat would also help humidty rise......................also magic probably helps! hehe

just some things I think
ChiefZero
 
Also if the hen stops turning the eggs and doesn't move, all the moisture stays there. When she's turning the eggs on a regular basis, she's letting all the humidity out.
 

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