Egg incubator manual on hatching from day 1 to 21

Congratulations on your decision to hatch your own eggs! Below is a manual on hatching from day 1 to 21:

Day 1:

  • Before placing your eggs in the incubator, make sure it has been properly cleaned and disinfected.
  • Set the temperature to 99.5°F (37.5°C) and the humidity to around 50%.
  • Place the eggs in the incubator with the pointed end facing downward.
  • Turn the eggs every few hours for the first 24 hours.

Day 2-18:

  • Continue to keep the temperature at 99.5°F (37.5°C) and the humidity at around 50%.
  • Turn the eggs at least three times per day, but no more than every hour.
  • Candle the eggs on day 7 and remove any that appear to be infertile or have stopped developing.
  • Candle the eggs again on day 14 and remove any that are not developing properly.
  • Do not open the incubator unnecessarily during this time.

Day 18:

  • Stop turning the eggs and increase the humidity to around 65%.
  • This is the time when the chicks start to position themselves for hatching, so it is important to not disturb them.

Day 19-21:

  • Maintain the humidity at around 65%.
  • Watch and wait for the chicks to start hatching.
  • Do not open the incubator during this time, as it can cause the chicks to become stuck in their shells.


  • The chicks should start to hatch between days 19-21.
  • The process can take up to 24 hours or longer for some chicks.
  • Do not intervene unless a chick appears to be stuck in the shell and needs assistance.
  • Once all the chicks have hatched, leave them in the incubator for a few hours to dry off before moving them to a brooder.

Congratulations on successfully hatching your own chicks! Remember to continue to provide them with proper care and attention as they grow.

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