1. 4-H Embryology
Week 2

2. 4-H Pledge I pledge my Head to clearer thinking
my Heart to greater loyalty
my Hands to larger service
and my Health to better living
for my club, my community
my country and my world.

3. Shell
Albumen
Outer Shell Membrane
Chalazae
Inner Shell
Membrane
Yolk
Air Cell
Blastodisc
= Food Source

4. Thick Albumen
Thin Albumen
Chalazae
Shell
Blastodisc
Yolk
Page 5
(Read Pg 3)

5. HOMEWORK
Which egg is fertile?

6. Incubation
Natural Incubation: the hen sits on the eggs until they hatch.
Artificial Incubation: use an incubator and copy the hen’s actions
until the eggs hatch.
4 Components of Incubation:
Temperature
Humidity
Exercise
Clean, fresh air
Page 3

7. 2/28/11 20
3/18/11
3/21/11
Page 11

8. The color of the shell is white.X
Complete
Sentences!
Spelling
Always Counts!

9. Complete
Sentences!
Spelling
Always Counts!
Page 12

10. Individual Egg Progress

11. Page 8

12. 11
Skin pores are visible!
Homework:
Page 6
Pages 11 & 12 (skip questions 4,5,6)
Page 15
Rooster Word Search (green paper)
Shell
Eye Spot
Air Cell 11
Albumen
Embryo
Blood
Vessels
Yolk
Page 13