Bloom on Farm Fresh Eggs: Interesting Facts

Updated on December 13, 2019
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I am a forty-something mom, knitting instructor, novelist, and freelance writer.

Here's everything you didn't know about farm fresh eggs.
Here's everything you didn't know about farm fresh eggs. | Source

What Is a Bloom?

Just before a hen lays her egg, her body adds the last and most protective coating to the shell: the bloom. The bloom is wet when applied, and it quickly dries when it lands in a nest.

Most farmers who keep eggs for themselves leave this protective coating on the egg. It is a protective shield, covering all the pores, so that bacteria and outside gases or chemicals cannot enter the egg while also trapping moisture inside the egg. The result is a full, rich egg with a bright orange yolk.

In fact, the bloom on a fresh egg is so protective that eggs that still have their bloom can be left out at room temperature and still be edible. However, once the egg is washed or wiped down too hard, the bloom disappears and the egg needs to be refrigerated. Ever wonder why eggs in Europe aren't refrigerated? They still have their blooms!

How well do you know your chickens?
How well do you know your chickens? | Source

Store-Bought vs. Farm Fresh Eggs

A farm fresh egg that still has its bloom can be kept at room temperature for up to three months and will still contain all its high-quality nutrients. The yolk will be a bright orange, and the albumen (the soft, jelly-like substance surrounding the yolk) will have a slightly cloudy look to it. This is a reaction with carbon dioxide and proves the egg to be fresh.

A store-bought egg has the bloom washed off. Some manufacturers will go a step further and rinse their eggs in a chemical wash. Unfortunately, this means that chemicals seep into the pores which are no longer protected by a bloom. A reaction takes place. The yoke inside the shell will start to pale and shrink; the albumen, supposed to be cloudy due to the healthy exchange with carbon dioxide, will start to become clear. The more clear your egg white, the less fresh it is.

Want more nutrients from your animal-based foods? Go with pasture-fed animals. When they eat what they are meant to eat, they are healthier—and so are you.
Want more nutrients from your animal-based foods? Go with pasture-fed animals. When they eat what they are meant to eat, they are healthier—and so are you. | Source

Nutritional Differences

The nutrient quality between store-bought eggs and farm fresh eggs is startling.

  • Pasture-raised eggs are 10% less fatty than store-bought counterparts. The organic, farm-fresh, pasture-fed eggs also contain 34% less cholesterol, 40% more vitamin A, and 400% more omega-3 fatty acids.*
  • An egg from a pastured hen also has 30% more vitamin E** and produce positive HDL or good cholesterol and lower “bad” triglycerides.***
  • Eggs are the only food that contain Vitamin D, which is greater and healthier in a pasture-fed, organic egg.
  • Once the bloom is washed off, however, all those nutrients begin to weaken and degrade; the egg is at risk of being contaminated.

* These numbers are from the USDA Sustainable Agriculture and Research Education Program.

**Animal Feed Science and Technology, 1998.

*** Nutrition, 1993.

Where Do I Get Them and How Do I Store Them?

Many farmer's markets will have a farmer raising chickens. Some laws require that they wash the eggs before being sold, but some do not. It helps to find someone who raises their own chickens and ask if you can have some (it may be illegal for them to sell them to you, so be sure you aren't breaking any laws).

Don't like the hassle? Why not look into raising your own chickens just for the eggs! This is becoming a more popular trend among urbanites in particular, who are finding it more and more difficult to buy quality fresh foods in their urban settings.

If you do find some pasture-fed, organic eggs that still have their bloom, you do not need to refrigerate them right away, which is handy if you are a baker and need those eggs to be room temperature. Storing them in the fridge will not hurt, and you can keep them even longer. Store them in a closed container to help maintain freshness. Don't wash the eggs until you are about to cook with them, and as with any food handling, wash your hands thoroughly!

Backyard Chicken Basics

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    • profile image

      Payton Jackson 

      7 years ago

      i loved your facts about eggs!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    • BigSerious profile imageAUTHOR

      Christen Roberts 

      8 years ago from Harrisburg, PA

      Thanks for the comment, kidscrafts! I love the Netherlands. I visited once in college - all that water. Beautiful.

    • kidscrafts profile image


      8 years ago from Ottawa, Canada

      Your article is really interesting! I was wondering why my mother in law (who lived in the Netherlands)was keeping her eggs in the cupboard and not in the fridge like I do (I live in Canada). I didn't know you could keep eggs for so long outside the fridge. My son lives on a farm and will get some chicken it will be nice to taste fresh eggs.

      Voted up, useful and interesting!

    • BigSerious profile imageAUTHOR

      Christen Roberts 

      8 years ago from Harrisburg, PA

      Thank you, everyone!

      @Phoebe Pike: your story and conclusion made me laugh out loud - I'm glad my hub won't give you nightmares or panic attacks. That sounds horrible (a la Silence of the Lambs). How creepy! Ever read that Beatrix Potter story about the duck wanting to lay her eggs and the wolf eats them all, so she tries again? I cannot believe it's a kid's story. Crazy!

    • profile image

      Phoebe Pike 

      8 years ago

      I like chickens, but the idea of owning them frightens me. When I was little, I used to go to a farm where my parents had friends. We would play with their kids and just enjoy fresh air. Well, one day, we went to the hen house to find them all slaughtered by a fox... it was horrible. Now, I can't imagine owning one without having a panic attack every time one made a noise at night. Your hub was awesome though.

    • profile image


      8 years ago

      great hub

    • anam hasib profile image

      anam hasib 

      8 years ago from lucknow

      hey great..thanx..dt was useful..


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