Can it take more than 21 days for chicken eggs to hatch?

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I've heard that it takes 21 days for eggs to hatch but my hen has been sitting on her eggs for 25 days now. Today I broke one egg open and the chick was formed and had feathers more
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21 is just the average number of days for a chicken egg to hatch. They can go a few days longer or shorter.
Hens take a good two weeks to lay their desired number of eggs and then they begin to sit. So, the first two or so weeks can not be counted toward the 21 days.
I'm sure the chicks will hatch within the next week and a half. And boy will they be cute! Good luck.


Poultry shower.
Incubating 34 bantam eggs right now.
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Other Answers (1)

  • otter_woman answered 7 years ago
    give it at least 30 days,sniff each egg for ones that are rotten
    she could have laid additional eggs after starting to sit or other hens could have entered the nest. If she is still sitting broody let her go.


    Lives on a ranch
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  • madamspud answered 7 years ago
    21 days isn't meant to be taken quite so literally it's the average amount of time the eggs take some will be longer some will be quicker.
    Give it a couple of days more if nothing has happened by then, then sadly nothing most likely will.
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