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Science
Embryology:
Lesson 1, Day 2:Four Primary Needs:
Foldables
The BIG Question:
What are the four primary needs of a
chicken embryo?
Four Primary Needs of a Chicken Embryo
Heat
TOP FLAP
Why?
It makes the embryo grow.
BOTTOM FLAP
How?
Use an incubator set
at 99.5°F.
Four Primary Needs of a Chicken Embryo
Heat Humidity
TOP FLAP
Why?It keeps the embryo from
getting stuck to its shell.
BOTTOM FLAP
How?
Put water in the trough of the incubator.
Four Primary Needs of a Chicken Embryo
Heat Humidity UnpollutedAir
TOP FLAP
Why?
The embryo needs to breathe
oxygen.
BOTTOM FLAP
How?
Don’t use anything with a strong smell.
Four Primary Needs of a Chicken Embryo
Heat Humidity UnpollutedAir
Exercise
TOP FLAP
Why?It keeps the embryo healthy and keeps
it from getting stuck to its shell.
A
Monday night:
Letters Up
Tuesday night:
Letters Up
Tuesday night:
Letters Down
BOTTOM FLAP
How?Turn the eggs an odd number of times so
they’ll be on a different side each night.
Four Primary Needs of a Chicken Embryo
Heat Humidity UnpollutedAir
Exercise
Sum it up!
What are the four primary needs of a chicken embryo?
Primary Needs of a Developing Embryo
Four Primary Needs of aDeveloping Embryo
Why These Things AreImportant
How We Provide These Things
heat It makes the embryo grow.
Use an incubator set at 99.5° F.
humidityIt keeps the embryo from getting stuck
to its shell.
Put water in the trough of the
incubator.
unpollutedair
The embryo needs to breathe oxygen.
Don’t use anything with a strong smell.
exerciseIt keeps the embryo healthy
and keeps it from getting stuck to its shell.
Turn the eggs an odd number of times
so they’ll be on a different side each night.
