Farming Friends

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Incubating Chicken Eggs

Incubation Period

The incubation period for chicken eggs is 21 days.

Incubation Temperature

The temperature in the incubator for chicken eggs is 99.5 degrees fahrenheit.

Humidity Levels

The humidity level (wet bulb thermometer) for chicken eggs is 85-87 degrees fahrenheit.

Final Day Of Egg Rotation

The final day of egg rotation for chicken eggs is day 19.

Please note that all of this information is only a guide and that this information may differ according to the incubator manufacturer’s guide.

Always consult the manufacturer’s guide when using an incubator and automatic egg turner.

Visit Wells Poultry For All Your Poultry Equipment & Housing

If you keep hens or are interested in keeping hens then visit the farmingfriends hen forum for the latest chat about hens and then check out the books shown below about keeping hens which are informative and excellent for the beginner and a handy reference for the more experienced hens keeper.

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4 Responses to “Incubating Chicken Eggs”

  1. Andy Martin says:


    Am in one of the African nations – Uganda and very much intrested in poultry farming since my childhood. I would like to create a hatchery unit in my cement room measuring 30 cubic metres. what help, advise or technical supplies can I get from you?

    Available at site are:
    1- 24 hours 24v power supply
    2- Permanent water source
    3- All necesary manpower

    Optimistic for your reply

    Andy Martin M.
    Kampala – Uganda

  2. sara says:

    Hi Jeremy,

    The hen eggs will start to incubate once all the eggs have been laid and the hen starts to sit in earnest or you put the eggs in an incubator.

    Hope that helps.

    Just to let you know that I have set up a free forum with a section on hens.

    What type of chickens do you have?

    Kind regards

    Sara @ farmingfriends

  3. jeremy says:

    when does the 21 day start for chicken eggs to be incubated when they go in to the incubator or when they are layed

  4. Matthew Chamberlain says:

    hi, im just wondering if chicken eggs could be hatched out in an airing cupbooad!? ive got a small holding but would like to hatch out 6 more warrens!!! would be grateful for a reply to answer this question!!! thanks