Day 15
Major Growth Developments
- The scales, claws, and beak are becoming firm.
Information & Image from the University of Illinois website:http://chickscope.beckman.uiuc.edu/explore/embryology/
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April 20th Day 14
Day 14
Major Growth Developments
- The embryo turns its head toward the blunt end of the egg.
- The skull has begun to ossify.
Information & Image from the University of Illinois website:http://chickscope.beckman.uiuc.edu/explore/embryology/____________________________________________________________
April 19th Day 13
Day 13
Major Growth Developments
Major Growth Developments
- Fingers of the wings are covered with feather papillae.
- The left and right collar bones fuse to form the wishbone.
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April 18th Day 12
Day 12
Major Growth Developments
- Scales appear on the lower legs.
- The embryo continues to grow and move.
- The ribs begin to ossify.
Information & Image from the University of Illinois website:http://chickscope.beckman.uiuc.edu/explore/embryology/
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April 17th Day 11
Day 11
Major Growth Developments
Major Growth Developments
The toe claws begin to curve downward.
The bottom of the feet become padded.
Feather germs on the back and tail appear as long, tapering cones.
The beak begins to harden.
The comb appears serrated.
The embryo begins to draw calcium from the eggshell for its growing bones.
Information & Image from the University of Illinois website:http://chickscope.beckman.uiuc.edu/explore/embryology/
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April 16th Day 10
Day 10
Major Growth Developments
- Claws begin to form.
- The comb is visible.
- Flight feathers appear.
- Feather tracts appear over the sternum.
- Lower eyelids develop.
Information & Image from the University of Illinois website:http://chickscope.beckman.uiuc.edu/explore/embryology/
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