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Here comes the egg!
Which came first: the chicken or the egg? This is a mother hen. Inside her body, an egg begins to form. At first it is mostly “yolk,” and if the rooster helped the hen a baby chicken will begin to grow. As it passes through this tube, it is coated with albumin, also known as the “white” of the egg. Right before it is laid, it stops in a little compartment where it is coated with the hard shell. -
Day 1
Muscles, nerve and degestive cells appear.
Eyes begin to form. -
Period: to
Days 1-4
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Day 2
Heart and ears form.
Heart begins to beat. -
Day 3
Head and tail form.
Leg and wing buds can be seen.
Cells begin to form tongue, liver, kindney's and lungs. -
Day 4
toes begin to form.
Embryo separates from yolk. -
Day 5
Leg bones form. -
Period: to
Days 5-8
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Day 6
Beak becomes visible.
Wing bends at elbow. Intestines begin to loop. -
Day 7
Feather buds appear.
Eyes develop
Knees bend. -
Day 8
More feather buds.
Egg tooth forms. -
Day 9
Eyelids and kneecaps develop.
Chick moves more.
Yolk is smaller. -
Period: to
Days 9-11
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Day 10
Chicks start moving more. -
Day 11
Beak and bones harden. -
Day 12
Scales appear on legs. -
Period: to
Days 12-15
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Day 13
Bones keep getting harder. Wishbone is formed. -
Day 14
Movement slows.
Skull hardens.
Yolk is hard to see. -
Day 15
Scales, claws and beak become firm. -
Day 16
Bones are almost hard. -
Period: to
Day 16-18
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Day 17
Chicks beak turns toward air pocket. -
Day 18
Refined features.
Almost ready! -
Day 19
It can breathe! -
Period: to
Day 19-21
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Day 20
Lungs 100% -
Day 21
Pipping -
