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February 19 2008
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Most Grocery Store Eggs Far More Likely to Be Infected

eggs, raw eggs, omega-3 eggs, salmonella, bacteria, healthy eggsA recent survey by the British government has revealed that organic laying hen farms have a significantly lower level of Salmonella, a bacterium that is the most common cause of food poisoning worldwide.

More than 23 percent of farms with caged hens tested positive for salmonella, compared to just 4.4 percent in organic flocks and 6.5 percent in free-range flocks.

The highest prevalence of salmonella occurred in the largest holding size category (30,000 birds or more). They contained over four times the average level of salmonella found in flocks closer to the maximum size allowed under British Soil Association organic standards.



Dr. MercolaDr. Mercola's Comments:

It may sound incredible, but many conventional egg operations contain as many as half a million chickens. Each cage will hold four or five birds, each with room to roam an area no larger than a letter-sized sheet of paper.

Subsequently, these cage-raised chickens have to be given routine doses of antibiotics and other drugs, all of which have serious health implications for you the consumer.

The Multiple Benefits of Organic, Free-Range Eggs

Eggs are one of the healthiest foods in the world, and at their very best if you eat them raw. But the quality of your eggs is also important. 

Not only are true organic, free-range eggs FAR less likely to contain dangerous bacteria such as salmonella, but their nutrient content is also much higher than commercially raised eggs.

In November 2007, Mother Earth News published the results from their second egg-testing project, showing that compared to official U.S. Department of Agriculture (USDA) nutrient data for commercial eggs, eggs from hens raised on pasture contained:

  • 1/3 less cholesterol
  • 1/4 less saturated fat
  • 2/3 more vitamin A
  • 2 times more omega-3 fatty acids
  • 3 times more vitamin E
  • 7 times more beta carotene

These dramatically differing nutrient levels are most likely the result of the differences in diet between free-range pastured hens, vs. commercially farmed hens.

What Kind of Eggs Should You Buy, and Where Can You Find Them?

First of all, I strongly encourage you to ignore the hype of “designer” eggs and AVOID ALL omega-3 eggs, as they are actually LESS healthy for you.

Typically, the animals are fed poor-quality sources of omega-3 fats that are already oxidized. Additionally, omega-3 eggs are far more perishable than non-omega-3 eggs so they don’t stay fresh nearly as long.

If you have to purchase your eggs from a commercial grocery store, I would advise getting free-range organic. Ideally, if at all possible, it would be far preferable to purchase your eggs directly from your local farmer, because this way you can be certain of the quality. This may not be as hard as you think. In my experience, this is one of the easiest foods to find from local farmers.

To find free-range pasture farms you can try you local health food store or try: 

How to Check Your Eggs for Freshness and Quality 

Regardless of where you get your eggs from, there are several guidelines to ensure that you’re buying and consuming fresh, high-quality eggs:

    1. Always check the freshness of the egg right before you consume the yolk. If you are at all uncertain about the freshness of an egg, don't eat it. This is one of the best safeguards against salmonella infection.
    2. If there is a crack in the shell, don't eat it. You can easily check for this by immersing the egg in a pan of cool, salted water. If the egg emits a tiny stream of bubbles, don't consume it as the shell is porous/contains a hole.
    3. If you are getting your eggs fresh from a farmer it is best to not refrigerate them. This is the way most of the world stores their eggs; they do not refrigerate them. It’s important to remember that to be able to properly judge the freshness of an egg, its contents need to be at room temperature. Eggs that are stored in the fridge and opened immediately after taking them out will seem fresher than they actually are. At the very least, eggs should be kept outside the fridge for at least an hour prior to checking them for freshness or opening them.
    4. To check for freshness, first roll the egg across a flat surface. Only consume it if it rolls wobbly.
    5. Next, open the egg. If the egg white is watery instead of gel-like, don't consume the egg. If the egg yolk is not convex and firm, don't consume the egg. If the egg yolk easily bursts, don't consume the egg.
    6. After opening the egg you can put it up to your nose and smell it. If it smells foul you will certainly not want to consume it.

How to Eat Your Eggs for Maximum Health Benefits 

Eggs are often one of your most allergenic foods, but I believe this is because they are cooked. Heating the egg protein actually changes its chemical shape, and the distortion can easily lead to allergies. 

If you consume your eggs in their raw state, the incidence of egg allergy virtually disappears. It is my belief that eating eggs raw helps preserve many of the highly perishable nutrients such as lutein and zeaxanthin, which are powerful prevention elements of the most common cause of blindness: age-related macular degeneration. 

Fresh raw egg yolk actually tastes like vanilla. It can be eaten “Rocky style,” combined with avocado, or in a shake with whey protein powder, raw kefir, or a small amount of berries. However, egg protein is easily damaged on a molecular level, even by mixing/blending. If you choose not to eat your eggs raw, cooking them soft-boiled would be your next best option. 

Scrambling your eggs is one of the worst ways to eat eggs as it actually oxidizes the cholesterol in the egg yolk. If you have high cholesterol this may actually be a problem for you as the oxidized cholesterol may cause some damage in your body.

If you’re in the habit of eating only the egg white, be aware that controlled diets of only raw egg whites can lead to severe biotin deficiency.

Why?

Because when you consume raw egg white alone, without the yolk, a component in them called avidin binds to the B-vitamin biotin, potentially creating a deficiency in your body.

To make sure you’re getting maximum benefit from the whole egg, follow these recommendations:

  • My primary recommendation, and the one I follow, is to separate the yolks from the whites so you can cook the whites and consume the yolks uncooked, or raw. The white can be cooked and eaten on its own. Although cooking the white reduces the nutrient quality and perhaps increases allergic sensitivities to some, the avidin in the egg white breaks down when cooked to 100 degrees Centigrade, therefore releasing the biotin back for your absorption and virtually eliminating any risk of biotin deficiency.
  • Don't eat raw egg whites every day. Allow your biotin reserves to rebuild and eat only raw yolks as an alternative breakfast.
  • Eat yolks one day then whites the next. Remember that the biotin loss occurs in your digestive tract when the two molecules bond together before it is even absorbed. Eating the yolk and the white separately will greatly reduce the problem.

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Community Comments ( 68 )
Comment on this Article
  
  
mama bear
[ Joined on 06/06 ] [ Posted on February 5, 2008 ]
11 Points        
   
 
Apprentice User
I think any local family farmer would be better than grocery store eggs.
 [ Reply ]
Mercola
  
BarbaraAnn
[ Joined on 02/07 ]  [ Posted on February 19, 2008]
1 Points        
   
Novice User
  Mercola

Luckily, duck eggs have become available at our local CSA....bigger, tastier, large yolk.......but, sorry M, not raw....at least not for me.

  
  
jacquelinepearson
[ Joined on 06/06 ] [ Posted on February 19, 2008 ]
6 Points        
   
 
Novice User

To eat or not to eat, that is the question.  If you like eggs, eat them.  If you don't like eggs, don't eat them.  I buy eggs from a health food store that claims they are cage-free, antibiotic free.  Today, the "powers that be" say the white is bad, eat the yolk.  Tomorrow it will be the reverse.  If one looks at all of the nutritional advice given over the last 30 years you'll find admonishment not to eat/drink something, then ten years down the line it's ok to do so.  

Life is too complicated to worry about all the little stuff.  Do the best you can with what you have and leave the rest to God.

 [ Reply ]
Mercola
  
BarbaraAnn
[ Joined on 02/07 ]  [ Posted on February 19, 2008]
3 Points        
   
Novice User
  Mercola

I agree (mostly): eat what appetite dictates, (unless you KNOW something is 'bad for you'.....then your body will tell you. And too much on this site criticizes (even)the natural foods God provides. And sells what is not natural.

  
  
Jean Dunlap
[ Joined on 06/06 ] [ Posted on February 19, 2008 ]
6 Points        
   
 
Novice User

Y'all make this subject so complicated. I am age 75, have only been to a doctor a couple times in the last 40 years, stay healthy! I eat eggs occasionally, however the notion strikes...raw, scrambled, soft or hard-boiled. We grew our own a lot of years, but now as a widow in town I eat grocery-store ones mostly. I think if your overall eating habits are healthy, the details don't matter a great lot. And yes, i have made whole wheat bread for over 50 years...grind my own wheat...and can't see as gluten has affected my health either! Tho bsically i have avoided sugar for most of my adult life, and other junk foods...except maybe a bit if I am company somewhere.

 [ Reply ]
Mercola
  
Shadeaux
[ Joined on 01/08 ]  [ Posted on February 20, 2008]
3 Points        
   
Novice User
  Mercola

 I agree with you 100% Jean.Why make it so complicated that a person has no clue what to eat, what not to eat, how to cook it-or not, and where to get it. I don't have ready access to farm-fresh, free-range eggs, either.

 As for the salmonella issue, I was exposed to it so much as a child, I believe I'm immune, now.I eat raw store bought eggs quite frequently(not to mention handling reptiles of all kinds while eating) and haven't had salmonella since I was about 13 years old(I'm in my 40's now).

Expose the immune system to as much as possible-that's how us humans develop immunity. I developed this philosophy after reading James Herriots books. In one, he tells of the village knacker(the one called to come to farms and pick up sick or dead stock), whos children played among the diseased entrails of various stock animals,and yet they were the healthiest kids in the town.So is it that hard to get that if you want to be healthier, expose yourself to those germs/bacteria you DON'T want to get sick from.

Mercola
  
grannysjh
[ Joined on 08/07 ]  [ Posted on March 19, 2008]
1 Points        
   
Novice User
  Mercola

The article doesn't mention whether to eat fertile eggs. I always buy fertile. I think they taste better and also I understand they have more good stuff in them. I probably like them better because we had chickens when I was growing up and fertile eggs are what we had. During the 'eggs aren't healthy' scare, I never quit eating them. I guess it didn't hurt me because I'm 73 and actually pretty healthy.

  
  
Islander
[ Joined on 03/07 ] [ Posted on February 4, 2008 ]
6 Points        
   
 
Moderator User
Another reason for a backyard flock. Check your zoning laws!
 [ Reply ]
Mercola
  
Aaltrude
[ Joined on 04/07 ]  [ Posted on February 5, 2008]
4 Points        
   
Savvy User
  Mercola
Good point Islander. I have friends who have a few chickens in their backyard in town. They are kept in a reasonable sized portable chicken run which can be moved around the section. This prevents them getting into neighbours properties.
Mercola
  
EQ
[ Joined on 03/07 ]  [ Posted on February 5, 2008]
7 Points        
   
Savvy User
  Mercola
This is one of the drawbacks of living out of my RV.  I would love to own some chickens or ducks.  Luckily I live in a rural area full of organic farms, so I get awesome local eggs.
Mercola
  
4Hand Healthy
[ Joined on 06/07 ]  [ Posted on February 5, 2008]
8 Points        
   
Apprentice User
  Mercola
I've had chickens for 8 years or so.I get new baby chicks every two years, and give my old ones away.They don't lay as well after two cycles.I'm planning to free range my next little flock.(8-10 birds) If you've never tasted a fresh egg,well you've never tasted a FRESH egg.There's a big difference.
Mercola
  
CSR
[ Joined on 08/07 ]  [ Posted on February 6, 2008]
8 Points        
   
Apprentice User
  Mercola
hahah That'd be great! Unfortunately, I live in Brooklyn where I don't have a back- or frontyard!  Another 15 months or so and I'm done here, and my hope is to move somewhere where I can have a yard and grown my own produce, etc.  It'll be great! :-)
  
  
scaggs184
[ Joined on 06/06 ] [ Posted on February 19, 2008 ]
5 Points        
   
 
Novice User

OK guys, this link......www.mercola.com/.../eggs.htm......is labeled "major update." At first he said separate the egg and cook the white, then he said eating the whole egg raw is OK. NOW he has gone back to the original method of separating. We deserve to know why the information is going back and forth and the supporting research behind it so that we may make an educated decision on our own.

 [ Reply ]
Mercola
  
CCurtis
[ Joined on 07/07 ]  [ Posted on February 20, 2008]
1 Points        
   
Novice User
  Mercola

You're right, scaggs!  Whatever happened to eating "whole foods" as they were made and meant to be eaten?  I eat eggs almost every day for breakfast -- mostly lightly scrambled and cooked in organic coconut oil, but sometimes blended with raw milk, vanilla extract, and a little stevia for a homemade egg nog.  I also ate raw eggs (regular store-bought and not organic) in my own homemade eggnog when I was a child -- never got samonella!

  
  
Donna Scher
[ Joined on 06/06 ] [ Posted on February 19, 2008 ]
4 Points        
   
 
Novice User

Regarding egg yolks, I keep reading from other sources about the high arachidonic acid (AA) content of egg yolks, a substance which promotes silent inflammation (a bad thing). I can't find anyone who will reconcile this point of view for me so I still keep to eating only a couple of egg yolks a week (not because of the fat or cholesterol content, but because of the arachidonic acid). I have emailed Dr. Mercola on a number of occasions about this matter, but as yet havn't seen a response in the newsletter addressing this issue....maybe soon??....

 [ Reply ]
  
  
scaggs184
[ Joined on 06/06 ] [ Posted on February 19, 2008 ]
4 Points        
   
 
Novice User

DR. MERCOLA.......I feel the information about consuming raw eggs on this site always goes back and forth. At first I took your advice and separated the whites and the yolks. Then one day I read that you had updated your view on the subject and said that it was ok to consume the whole egg raw, which is what I currently do. Now you have gone back to saying they should be separated. I am confused. Do you really think I am doing that much damage by eating the whole egg raw? I eat at least 4 per day religiously, and I've become accustomed to the convenience of it. A lot of us are confused, and I for one put a lot faith into the information on this site. We deserve the final word once and for all and you need to delete any old articles with conflicting information.

And what about this guy above who says we cant digest egg white at all? Have I been starving myself of protein this entire time??????????? PLEASE HELP YOUR FAITHFUL FOLLOWERS!!

 [ Reply ]
Mercola
  
Dr. Mercola
[ Joined on 12/97 ]  [ Posted on February 19, 2008]
1 Points