Facts about chicken eggs: Everything you ever wanted to know


Chicken eggs are one of the most common foods. You can, fry, poach, scramble, or bake them. What do you like the best? When we prepare delicious meals from eggs we usually don’t think about how significant and fascinating they are. Did you know that chicken egg shells come in different colors, even blue and pink? Learn more interesting facts about chicken eggs from our list.

Powerhouse of nutritions

  • Eggs contain vitamins and minerals. Did you know that vitamins from eggs are excellent for your eyes because they also contain lutein, which helps restrain age-related diseases? That’s just one reason why many nutritionists and dietitians advise people to eat seven eggs per week. The yolks are also rich in choline (a fundamental nutrient for metabolism and necessary for cell membranes, an essential neurotransmitter for memory, mood, muscle structure, and other vital functionalities). All these nutrients make eggs one of the healthiest food on the planet. Studies show that eggs can even help babies with brain development.
  • Raw or cooked eggs? Which is a better source of proteins? According to studies, raw eggs are the winner. Results showed that raw eggs can be easier digestible and that we can absorb more lipids and proteins compared to boiling or omelet preparations.
  • In the 80s, researchers said that eggs cause heart disease because of the cholesterol they contain. Recent studies have shown that patients with cholesterol should eat fewer eggs but not stop eating them because they are still beneficial to the patient.

 Amazing colorful chicken eggs

  • Different chicken egg colors don’t reflect an egg’s nutritional value or taste. The color of the shell of the egg doesn’t depend on the food the chickens eat, it depends on the genes. So the color of the shell of Barred Rock, Ameraucana, Rhode Island Red, Welsummer, Maran, and Easter Egger varies from slightly pinky, to blue and even black. What is really surprising about that is the fact that even among the chicken bread Easter Egger differentiate, so that two Easter eggers can lay eggs totally different colors. Read more in the blog post Amazing colorful eggs from Easter egger chickens and other chicken breeds. 
  • Not only that the eggshells can be different colors, but eggs also differ in the colors of yolks. The color of yolks depends on the food that the chicken eats. Like the colors of eggshells, the colors of yolks don’t indicate the nutritional value of an egg. Generally, a supplement for chickens in the form of pumpkin, carrots, and calendula will reflect in deeper yellow-orange yolks. Marigold extract will most often produce a rich orange color in the yolk. Marigold is a rich antioxidant, containing a high level of flavonoids and cartonoids. The marigold extract helps chicken parish disease. Researches show that thanks to marigold extract, the eggs contain less cholesterol.

Surprising facts about laying chicken eggs

  • A hen lays roughly on an egg every 25 to 26 hours and can produce one egg a day. When the egg is laid, she can start laying another just within half an hour. A chicken will be bred after about 21 days.
  • Chickens produce several eggs at a time. The eggs are in different stages of development.
  • There are many reasons why we mostly eat chicken eggs instead of other birds’ eggs. The main reason is that hens lay more eggs and need less hatching space than other birds.
  • One of the things that define chicken breeds is the number of eggs that a hen can produce a day. Australorps are real laying machines. One Australorp can produce 250 – 300 medium-colored eggs per year. Rhode Island Red, Leghorn, Speckled Sussex, and many other chicken breeds produce an enormous amount of eggs. If you wish to know more read the post Which chicken breeds are the egg-laying machines?

Tips and tricks you should know about chicken eggs

  • Did you know that fake chicken eggs exist? They look like real eggs, but they are made of artificial ingredients and come from China. Needless to say, artificial eggs aren’t nutritious as real eggs, they aren’t filled with proteins as are real eggs. For instance, fake eggs are full of chemicals and additives and are bad for our health, as research has revealed. Another research has shown that artificial eggs cause not only diseases like sickness, but also real problems, like metabolic disorders and even brain and liver disease.
  • Eating raw eggs can cause big digestive problems in some cases. You can get Salmonella if the eggs are not fresh or if they are not appropriately prepared. Statistically, Salmonella-infected eggs only happen once per 20.000 eggs. In other words, you have only a 0,0005% chance of getting this bacteria. So, you have a chance of getting a Salmonella infection only once every 84 years.
  • According to the American Egg Board, the date on egg carton doesn’t indicate its egg’s expiration date. You will know for how long the eggs are edible by reading the numbers on the carton. There are two kinds of numbers, first is the sell-by-date number, which indicates the date until when a grocery can sell the eggs. The second is the so-called “Julian date”. Julian’s date is a little bit trickier. It responds to date in a calendar year, so that the numbers vary from 1 to 365 or 366, which reflects the freshness of the eggs. If you are buying eggs at the beginning of the year, let’s say in January, you should look for lower numbers. If you’re buying eggs in summer, you should look for numbers around 180.
  • If you have chickens at home and would like to have more eggs, you need to make sure that your ladies feel comfortable and safe. Automatic chicken coop doors are thus an excellent choice for protection against predators. And you will be able to sleep even longer without worry!


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