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Day 1 - eyes begin to form Day 2 – heart begins to beat Day 5 – formation of reproductive organs

Chick Development. Day 1 - eyes begin to form Day 2 – heart begins to beat Day 5 – formation of reproductive organs Day 8 – feathers begin forming Day 10 – beak starts to harden Day 12 – toes fully formed Day 14 – embryo turns head towards blunt end of egg.

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Day 1 - eyes begin to form Day 2 – heart begins to beat Day 5 – formation of reproductive organs

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  1. Chick Development • Day 1 -eyesbegin to form • Day 2 –heartbegins to beat • Day 5 – formation ofreproductive organs • Day 8 –feathersbegin forming • Day 10 –beak starts to harden • Day 12 –toesfully formed • Day 14 –embryo turnshead towards blunt end of egg

  2. Day 15 –small intestinestaken into body • Day 16 – fully covered withfeathers • Day 18 –growth nearly complete • Day 19 –yolk sacdrawn into body • Day 20 –embryo becomes chickand starts breathingair in air cell of egg • Day 21 –chick hatches

  3. Day 1

  4. Day 2

  5. Day 3

  6. Day 4

  7. Day 5

  8. Day 6

  9. Day 7

  10. Day 8

  11. Day 9

  12. Day 10

  13. Day 11

  14. Day 12

  15. Day 13

  16. Day 14

  17. Day 15

  18. Day 16

  19. Day 17

  20. Day 18

  21. Day 19

  22. Emerging from the shell... • Using it’s egg tooth, the chick pips through the shell and begins breathing • After making a hole in the shell, the chick stops and rests for 3 to 8 hours • Later, it cuts an egg cap and pushes about 40 minutes, finally breaking it loose • After emerging from the shell, the chick is virtually exhausted and rests • It will be 8 to 20 hours before the chick is dry and completely alert

  23. Day 21

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