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Before laying:
Day 0-1: The egg gets fertilized. The cells split up into groups for specialized function. | ![]() | ![]() | ![]() | ![]() |

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After laying and incubations started:
Day 1: 19 hours: The gastrointestinal tract (Tube from mouth to bottom) appears. 19 hours: The brain crease begins to form. 21 hours: The brain and nervous system begin to form. 22 hours: The head begins to form. 23 hours: Blood pools form. |

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Day 2:
24 hours: The eyes and heart starts forming. 34 hours: The ears start developing. 41 hours: The heart begins to beat. | ![]() | ![]() |

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Day 3:
The head starts turning to the left. The tongue begins to form. The tail, wing and leg buds appear. Internal organs(liver,lungs etc) start to appear. | ![]() | ![]() |

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Day 4:
The toes begin forming. Their are changes in the gut. | ![]() | ![]() | ![]() | ![]() |

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Day 5:
The reproductive organs start forming. The leg bones begin to form. The crop (Food sack) begins to form. | ![]() | ![]() | ![]() |

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Day 6:
The beak appears. The wing develop elbows. The ribs start developing. The gizzard forms and intestines start looping. | ![]() | ![]() | ![]() |

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Day 7:
Feather points grow on the tail and thighs The knees develop. | ![]() | ![]() | ![]() |

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Day 8:
The inner eye lid begins to form. The egg tooth starts forming. The bone marrow in the legs begins develop. | ![]() | ![]() | ![]() |

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Day 9:
Upper eyelids develop. knee caps start to form. | ![]() | ![]() | ![]() | ![]() |

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Day 10:
Claws start to form. wing feathers appear white body feathers start to develop. Lower eyelids develop. | ![]() | ![]() | ![]() |

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Day 11:
claws begin to curve. The beak starts hardening. The embryo draws calcium from the eggshell. | ![]() | ![]() | ![]() |

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Day 12:
Scales appear on the legs. The ribs starts hardening. | ![]() | ![]() | ![]() | ![]() |

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Day 13:
The collar bones form the wishbone. | ![]() | ![]() | ![]() |

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Day 14:
The embryo turns towards the round end of the egg. The skull hardens. | ![]() | ![]() | ![]() |

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Day 15:
The claws and beak become hard. | ![]() | ![]() | ![]() |

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Day 16-17:
The beak turns towards the air sac. | ![]() | ![]() | ![]() |

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Day 18-19:
The beak breaks through the air sac and the lungs start working. The yolk sac begins to be consumed. | ![]() | ![]() | ![]() |

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Day 20:
The embryo grows to fill the none air sac part of the egg. | ![]() | ![]() | ![]() |

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Day 20-21:
The neck starts to spasm. The egg tooth brakes the shell. | ![]() | ![]() | ![]() |

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Day 20-23
The chick has hatched! | ![]() | ![]() | ![]() | ![]() |