23 Things About Eggs
Our girls laid some gorgeous eggs last year, here are some of the highlights! I’m throwing some interesting egg facts in-between!
Egg Fact #1: Blue eggs were originally caused by a virus.
Egg Fact #2: You don’t need a rooster for hens to lay eggs.
Egg Fact #3: Although diet can effect how vibrant an eggs color is. Egg color is based on breed not what a hen eats.
Egg Fact#4: Eggs are laid with a protective coating called a bloom. This coating naturally seals the eggs pores. You shouldn’t wash them until you are going to use them. The bloom also holds in moisture keeping your eggs fresher longer.
Egg Fact #5: Abnormalities in the shell can be caused by stress. This egg was the first egg our “Grey Chicken” laid after she finished up her molt. If shell deformities like this are a regular occurrence you might have a sick chicken.
Egg Fact #6: It is possible for a hen to lay an egg inside of an egg, I mean a whole second egg, shell and all.
Egg Fact #7: White specks and a pink hue can be caused by too much calcium in a hens diet and is added to the egg in the shell gland.
Egg Fact #8: Eggs that contain a blood spot or a meat spot are not necessarily fertilized and are completely edible. Blood and Meat spots are caused when a blood vessel is ruptured in the egg when it is being formed.
Egg Fact #9: Extreme stress can cause a chicken to lay an egg that has no shell.
Egg Fact #10: Every egg starts out white. Brown shelled eggs are pigmented when the bloom is added to the shell. The color is only on the outer part of the shell and can easily be scrubbed off. When you crack the shell open the inside will be white. For blue eggs the pigment is applied at an earlier stage in development. The blue color is caused bile proteins called biliverdin in the hen’s uterus. Hens that lay blue eggs also tend to have a different chemistry to their egg shells that allows for die absorption. This means the egg absorbs the pigment and it can’t be scrubbed off.
Egg Fact #11: Some eggs are weirdly shaped, sometimes an egg is damaged while inside of the chicken. The hens body will repair it when it gets to the shell gland this can cause a rough texture, lumps & bumps and even a beaded look.
Egg Fact #12: Candling an egg can allow you to see a growing embryo. For this we use a basic flashlight in a dark room.
Egg Fact #13: An egg can contain more than one yolk and the record is 9 yolks in one egg. The more yolks an egg has the larger it will be. I would hate to be the hen that laid the 9 yolker! The larger egg in this picture is a double yolker.
Egg Fact #14: Egg fertilization is achieved by copulation. This is one of my top questions and I thought it would be a good time to address the topic. Chickens mate…
Egg Fact #15: A flat yolk means you cracked an older egg. Fresh eggs will have more of a dome shape to their yolk.
Egg Fact #16: Sometimes an egg is laid with no yolk at all. This is called a wind egg. This usually happens when a young hen first starts to lay. It can take a few tries for things to get in alignment, this is why you never want to hatch pullet eggs. Pullets are female chickens that are just starting to lay, basically teenagers.
Egg Fact #17: Eggs are porous and each egg can have anywhere from 7,000- 17,000 pores.
Egg Fact #18: Those white stringy things in an egg are called a chalazae and keep the yolk in the center of the egg.
Egg Fact#19: Fresh eggs sink and old eggs float. This is due to the breakdown of the bloom. As the egg ages air is allowed into the egg causing it to float.
Egg Fact #20: Once refrigerated eggs should remain refrigerated. Condensation caused by the egg coming to room temperature can break down the bloom and cause the egg to become contaminated.
Egg Fact #21: The white spot on an egg yolk is called a germinal disk and is where the sperm enters the egg. It ‘s present on all eggs and is not a sign that the egg is fertilized.
Egg Fact #22: If the the germinal disk looks like a bullseye the egg is fertilized.
Egg Fact #23: Incubation period for chickens is 21 days.
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