Wrinkled Egg

Brian Edwards has sent in these photos of a wrinkled egg. I've never heard of an egg getting wrinkled, but the pictures don't look photoshopped. The egg, however, does look a bit like a potato. Soon I'll have to start a new category for odd eggs, what with my previous posts about a spoon-shaped egg, and a tall-tail egg.

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Posted on Tue Aug 30, 2005


If I recall correctly you can do this to an egg by soaking it in vinegar for about 24 hours.
Posted by NotBob13  on  Tue Aug 30, 2005  at  11:31 PM
Or just find a reptile egg. They're already soft.
Posted by Accipiter  on  Tue Aug 30, 2005  at  11:41 PM
Posted by Arturo  on  Tue Aug 30, 2005  at  11:56 PM
Silly Putty anyone?
Posted by Chris B  on  Tue Aug 30, 2005  at  11:56 PM
I'll try that vinegar trick tomorrow and see if it works.
Posted by The Curator  in  San Diego  on  Wed Aug 31, 2005  at  12:11 AM
Soaking an egg in vinegar is going to produce one smelly egg.
Posted by Zoe  on  Wed Aug 31, 2005  at  12:22 AM
I did the vinegar thing once for a school science experiment. It softens the egg enough you can bounce it on a table(not too high). It didnt make it go wrinkly, but I'm sure there would be a process that would do it (it soften it with vinegar then dehydrate it)
Posted by Bruce  on  Wed Aug 31, 2005  at  06:19 AM
eggs (Chicken's specifically here) come in all sorts of strange shapes.

The odd ones get sorted out so they don't appear in supermarkets etc.

Odd shape eggs aren't uncommon, so could be real but it's a bit 'so what?'
Posted by Peter  on  Wed Aug 31, 2005  at  07:11 AM
Posted by Beasjt  on  Wed Aug 31, 2005  at  08:21 AM
We used to raise chickens, and did see unusual eggs like this occasionally. I'd vote for real.
Posted by Winona  on  Wed Aug 31, 2005  at  08:46 AM
I bet they make the chickens eyes water...
Posted by Blondin  on  Wed Aug 31, 2005  at  09:48 AM
Looks like a walnut to me.
Posted by Buffalo  on  Wed Aug 31, 2005  at  09:59 AM
Looks more like a Rocky Mountain Oyster.
Posted by Jorge  on  Wed Aug 31, 2005  at  10:23 AM
Big deal. My Grandpa's got two of 'em. Swingin'.
Posted by booch  on  Wed Aug 31, 2005  at  10:26 AM
It hasn't got the face of Jesus on it. That's pretty unique isn't it. 😊
Posted by Peter  on  Wed Aug 31, 2005  at  10:44 AM
Soaking in Vinegar for shell softening, AND re-hardened in a solution of Baking Soda and Water. The old trick of putting an egg into a narrow-neck glass bottle. It can also be "modeled" by hand before re-hardening. I did it many years ago and it is, either way, a good show-and-tell item.
Posted by The Legend  on  Thu Sep 01, 2005  at  09:19 AM
I have chickens, and we get all kinds of strange eggs occasionally. Especially young birds tend to lay odd eggs at first: very small eggs, eggs with soft rubbery shells, even eggs without shells. So I doubt it's a fake.
Posted by PlantPerson  on  Thu Sep 01, 2005  at  12:33 PM
Having grown up on a chicken farm, wrinkled eggs are the result of the egg hardening before it has a chance to form it's normally smooth shell.

I've seen eggs without shells, shells without anything in them and all sorts of egg-oddities.

Egg shells don't start off hard inside the chicken, just waiting for an egg yolk to form. It's all part of the cycle.
Posted by Sam  on  Thu Sep 01, 2005  at  01:49 PM
Didn't we go over all this with the spoon-shaped egg?
Eggs come out of the chicken in all sorts of odd-shaped (or odd-colored) forms, but the uglier and/or stranger ones are sorted out and never sent to the grocery store. Instead, they're sold to bakers, producers of processed foods, pet food companies, and so on. Which is to say, you've eaten lots of eggs that look like these (unless you're a vegan or allergic to eggs), but you ate them mixed into foods where you never saw the appearance of the orginal egg.
Posted by Big Gary, down on the farm  on  Thu Sep 01, 2005  at  04:52 PM
Oops, I meant, "the original egg."
Posted by Big Gary, down on the farm  on  Thu Sep 01, 2005  at  04:53 PM
Soaking an egg in vinegar eats away the outer-shell, the rubbery part that remains is the membrane.
Posted by Jackie  on  Thu Sep 01, 2005  at  06:28 PM
Hi. I grew up on a farm and the egg is quite likely real. I saw some pretty weird looking eggs when growing up, even one (with the shell not fully hardened) that popped out of a chicken after it was bitten in half by a hog.
I say its the real McCoy.
Posted by Buck  on  Thu Sep 15, 2005  at  07:18 AM
This is a simple experiment that i performed in the ninth grade. You first put the egg in vinegar to dissolve the shell. Then you put it in Karo syrup and the egg get wrinkled because of osmosis. The Karo syrup is a hypertonic solution so it makes the egg wrinkle up.
Posted by John  on  Sun Nov 20, 2005  at  10:46 AM
Hi, I am the person in the picture. Seriously. It was on a farm in Kansas where my grandpa found it on his farm. My uncle said it was because the chicken has sand on her butt. It is very real, and we have also had green eggs out there also. Absolutely real.
Posted by Brian  on  Tue Dec 27, 2005  at  11:30 AM
i also have two hens that lay eggs like this and im not sure what the problem is but would like to find out.
Posted by mike  on  Sat Apr 22, 2006  at  01:09 PM
I have chickens, and i found an egg like that the other day, except the wrinkles were all around the middle. We too find eggs without shells, tiny eggs, green, pink, and orange eggs, eggs with bumps or spots, long ones, two yolk-ers, no yolk-ers, the list goes on. we even had a chicken lay an egg that looked like 2 eggs fused together. i know this COULD be real, no to say that is, but it is quite possible.
Posted by joe  on  Mon Jul 03, 2006  at  11:41 PM
I have had perfect eggs from my Rhode Island Reds
for the last two years and now one of them is producing wrinkled obb long eggs as shown in the URL: link provided. They brake very easily so their is definately a calcium shortage but why in only one bird, they all have the same diet.
Posted by Jean  on  Thu Oct 19, 2006  at  10:43 AM
URL: link provided.
Posted by Jean  on  Thu Oct 19, 2006  at  10:45 AM
I have one chicken that suddenly lays eggs without a shell, The eggs were normal beforehand. I do feed shellgrit and the other chickens have very strong shells. Does anyone know the reason?

the other chickens also eat the shelless one and since we only have 4 chickens we would like the egg.

I know this, because I find the membrane in the morning in the hutch. She must also lay the egg very early, as I go there at 5 in the morning,

Kind regards Mascha
Posted by Mascha Chong  on  Wed Oct 25, 2006  at  03:31 PM
I have wrinkled eggs from our chickens. I actually found this page on the internet searching for possible cause. YES it is definitely true. I hope I find the cause. We have four chickens only one of them is wrinkled.
Posted by Dawn Williams  on  Tue Jan 09, 2007  at  02:37 AM
I also found this page while looking for an explanation of the wrinkled eggs we have been getting lately - again from only one hen out of about 30. So we know that it is not a hoax, but doesn't anyone out there know why it happens? If my hen needs something in her diet or if the other hens are hurting her or stressing her out or something, I would like to fix it.
Posted by Susan Miller  on  Wed Jan 10, 2007  at  07:22 PM
We're down to only 3 chickens but 1 consistently lays wrinkled eggs similar to the picture. A little different every day, sometimes thick shelled sometimes thin. They are free range and I've tried diet change recently with no improvement. I'd also love to know why?
Posted by Kit  on  Tue Jan 16, 2007  at  05:38 PM
Merck Vet Manual suggests that the wrinkled eggs may be due to a viral infectious bronchitis found in Oz and USA. Can view with a Google search. My chicken shows no signs of illness so I will take my chances, but folks with many birds better read-contageous and can be serious.
Posted by kit  on  Tue Jan 16, 2007  at  06:06 PM
I have a chicken that's been laying eggs just like that for a while now. Mercks vet manual shows a picture of them also. It says they are a common result of infectious bronchitis in the chicken. But my chicken's been doing this for a long time and show's no sign of any disease, so I too was looking for another possible cause.
Posted by chickysue  on  Mon Jun 04, 2007  at  02:40 PM
I have two eggs in my fridge right now that look like this and the reason I found this page is because I'm looking for a cause. I have all different age chickens, and several different kinds of chickens. My chickens are healthy, their coop is spotless (I just cleaned and disinfected it last Sunday) and they eat very good. I wish I could figure this out...??
Posted by Kansas A  on  Mon Jun 25, 2007  at  01:00 AM
I have taken my chickens to the vet after having shelless and crinkeled eggs. He gave them some baycox and I wormed them. After that the eggs were normal. I have bought my chickens from someone who did not immunize the chicks against Merecks Desease. It is not possible for a small breeder to do this, as the serum is only available in larger quantities and would not be cost effective. The Vet told me, that misshapen eggs are always a sign of some disease or other.

Kind regards

Mascha Chong
Posted by Mascha Chong  on  Fri Sep 14, 2007  at  07:32 PM
The egg is real and natural. I was searching the net to find out why one of my chickesn keeps laying these very strange shapped (wrinkled) eggs. I cam accross this. And I laughed as each person tried to think of how a Human could make this up. Well the kid is holding a genuine egg. If you would like I can take a pic. of mine then crack it open for you and take another pic. I collected it yesterday from my hens.
Posted by Brandy Alvis  on  Thu Sep 27, 2007  at  09:03 AM
I have 22 Chickens
12 are Road Island Reds. I have no idea which chicken is laying this egg but after reading these last few comments I am worried. We are very happy about our chickens and take Very good care of them. Any ideas how to figure out which one is laying the eggs, it is not every day and the degree of wrinkle varies.
Posted by Brandy Alvis  on  Thu Sep 27, 2007  at  09:12 AM
you should take a baggy put vinegar in it, then take an egg, put it in the vinegar. next let it set in the bag for 4 or 5 days. take it out put it in a bowl. then take a pict of hiw wrinkly it is then.

that will get some comments posted.

i did this as a science experment when i was in school
Posted by rudy frost  on  Wed Feb 27, 2008  at  05:46 PM
I too have one of these eggs. Gathered just last night. And yep, I googled wrinkled eggs and found this forum! 😊

They show up in our flock from time to time with no real regularity. We can go a week or more with no wrinkled eggs showing up and then one will pop out.

In the 4 months since our flock of 25 started laying we've had about 5 or 6. That is out of an average of 115 eggs a week. We give them their antibiotics in water about once a month.

Everyone seems healthy, no coughing, no watery eyes. The one main problem we have but can't get away from is huge amounts of rain in the winter here in western Washington state. We clean out the coop probably about once every 3 weeks or so, but with each day put down more hay over the days droppings. Outside we put down fresh hay as well because it just seems creepy to have the poor birds out roaming around in their own goo and mud.

Once I get blogger to take it (it's acting weird at the moment) You can see my wrinkled egg on my blog at http://heather-sky-studio.blogspot.com

Thank you all for sharing your comments and observations here!
Posted by Christine  on  Mon Mar 30, 2009  at  01:03 PM
There was an egg that looked very similar to the one above in a carton of eggs from the store the other day! We bought it and took it home so we could show everyone. I guess it somehow got past the sorters. I was a little wary about eating it but I guess we will. I'll report back if anyone gets sick.
Posted by Angela  on  Mon Apr 13, 2009  at  02:36 PM
That IS odd it made it into the store. I will say we have eaten ours and had no trouble whatsoever :cheese:
Posted by Christine  on  Mon Apr 13, 2009  at  03:33 PM
I have had this happen to me with one of my hens once. It is true!
Posted by Dwight Porter  on  Fri May 29, 2009  at  07:51 AM
it's true. wrinkled eggs can happen with the chicken has bronchitis. google it if you don't believe me.
Posted by chuck  on  Mon Mar 08, 2010  at  09:20 PM
We just found an egg that is wrinkled just like the one in the picture. would like to know what causes it
Posted by carla  on  Mon May 03, 2010  at  03:30 PM
definitly real..i just ate one this morning just like one in picture..mmm lovely
Posted by jim  on  Mon Oct 18, 2010  at  03:40 AM
I have one chicken also laying these oval shaped wrinkly eggs.
Posted by Marilyn Doty  on  Sat Mar 12, 2011  at  11:25 AM
it's definitely real.
We got one yesterday - it's very weird.
Posted by Andreas  on  Thu Mar 17, 2011  at  07:58 AM
We have a chicken that lays eggs just like this photo. The egg is perfectly normal inside.
Posted by Warrenhouse  on  Tue Apr 19, 2011  at  01:53 PM
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