Embryology Basics
A female chicken.
What is a hen?
Unlike a forced-air incubator, this one does not have a fan to stir the air.
What is a still-air incubator?
This is done prior to touching fertile eggs to prevent bacteria from entering the porous eggshell.
What is washing hands?
To create and maintain good conditions for developing fertile eggs to hatch.
What is to incubate?
Anything a producer (farmer) will grow or raise on their farms to sell for a profit.
What is a commodity?
A male chicken.
What is a rooster?
100.5°F
The ideal temperature of an incubator.
These are the eggs we buy at the store. They are safe to eat because of this.
What is infertile?
The amount of water in the air.
What is humidity?
During 2004, in the United States, over 89 billion of these were produced.
What are chicken eggs?
21 days long
What is the standard incubation period?
A container with the proper humidity and temperature to allow fertile eggs to hatch.
What is an incubator?
Temperature, humidity, and turning the eggs
The yellow mass located in the center of an egg. This is the chick's first food during its prehatching life and its first food after it comes out of the shell.
What is the yolk?
This is the third-largest egg-producing state in the country.
What is Pennsylvania?
The study of the growth of a living thing.
What is embryology?
A fertilized egg at any stage of growth before hatching. In its later stages, it clearly looks like the fully developed chick.
What is an embryo?
Doing this prevents the embryo from sticking to the shell and ensures proper development. Without it, the embryo may develop abnormally or fail to hatch.
What is turning the eggs?
One a male and female mate and the parent cells come together.
This is the process of sorting eggs by quality and size.
What is grading?
Using the light from a projector or a flashlight to observe the growing embryo.
What is candling?
What is pipping?
This is done to help identify eggs in the incubator and ensure proper handling.
What is marking the eggs?
The scientific name for the white of the egg.
What is the albumen?
To prevent bacteria from growing, this is done after eggs are packed.
What is refrigerating eggs?