Embryology
What is the study of growth of living things called?
Embryology
What is the container used to keep the eggs warm called?
Incubator
This is the white of the egg. It is the main source of protein and water for the embryo.
Albumen
Hard, protective covering of the egg. Made of calcium carbonate. Has 6,000-8,000 pores.
Shell
What is the name of an adult female chicken?
Hen
The group of eggs that a hen lays is called a clutch. A clutch of eggs normally contains between ____ and _____ eggs.
8 and 13 eggs
How many days do we incubate the eggs before they hatch?
The hard shell is connected to this thin layer.
Outer shell membrane
Thin layer around the watery part of the egg; protects the embryo from getting sick.
Inner shell membrane.
How many eggs do we have in our incubators? (include all eggs, even the ones that are not developing anymore!)
13
True or False.
We use an egg turner so the chicken inside the egg can be rocked back and forth like a baby.
False. An egg turner is used so the chicken develops evenly on both sides and is not sitting on one side overnight.
What is it called when we take the light and look through the egg at the developing embryo?
Candling
Increase in size with age. Where the embryo takes their first breath and becomes a chick. Forms between the two membranes.
Air Cell
Main food source for the growing embryo; contains fat, vitamins, and minerals.
Yolk
During incubation, the air cell ___________ as the chick gets closer to hatching. (Increases in size, decreases in size, or stays the same size)
Increases in size
What develops on the end of the beak that helps the chicken break out of the egg?
Egg Tooth
When candling an egg we notice a solid red ring of veins in the egg. What does this mean?
The embryo inside the egg has died.
When an egg is not fertilized you can buy it from the store. What type of eggs do you make if you mix both yolk and white of the eggs together before cooking?
Scrambled Eggs
Eggs are a very popular food item to decorate during which holiday?
Easter
Turning the eggs prevents the embryo from ________.
Sticking to the side of the shell.
The incubator is filled with water under the eggs. This allows moisture to be in the air. What is the amount of water in the air called?
Humidity
The temperature of the incubator should be between ____ and ____ degrees.
99 and 101 degrees
Tightly wrapped membranes; keeps the yolk centered in the egg.
Chalazae
White spot on the surface of every yolk. this spot contains the female cells.
Germinal Disk
The incubator measures 6 inches high, 15 inches long, and 15 inches wide. What is the volume of the incubator in cubic inches?
1,350 cubic inches