Slight ridges lengthwise and new, wrinkly bottoms on eggs?

[Dynamissa]

I have some young pullets, will be 25 weeks this Friday a 2 of which have laid some soft shelled eggs close to the same time as one another in the last month.

Suddenly the eggs kind of have ridges in them lengthwise with wrinkly bottoms.

Is this something that can be normal with layers this age? I think they started about 16-18 weeks … hard to remember at this point.

I have read infectious bronchitis can cause this but everyone else is laying normal eggs. I’m not positive these aren’t from
The same girl (yikes because they are huge) because one has been having ridges on it for a bit now, but the other one was still normal and quite a bit smaller .. these were quite large (my largest green egger egg in comparison to what these two looked like this morning)

They are on nutrena nature wise layer with oystershell still available to them. We can’t free range so they are 5 pullets in 120sqft run ao they aren’t overcrowded… just a strange new development I’ve seen since the one had a hard time passing a soft shelled egg, and the two had soft shelled eggs on the roost overnight.

They sneeze sometimes but the run floor is loose dusty dirt and straw. Nobody has discharge or anything weird like that and I have read IB is not common in backyard flocks particularly ones where they have absolutely no access to outside birds…

 

[Chicken_tiger_catt]

maybe a calcium imbalance?

 

[aart]

I don't see the vertical ridges you mention, but the ends I've seen many times. More than a few of my layers over the years have consistently had this little anomaly in their eggs.
As long as your birds are eating/drinking/pooping/moving around OK, I'd not worry.

 

[Dynamissa]

I don't see the vertical ridges you mention, but the ends I've seen many times. More than a few of my layers over the years have consistently had this little anomaly in their eggs.
As long as your birds are eating/drinking/pooping/moving around OK, I'd not worry.

The lengthwise ridges are very fine and hard to see! I can’t seem to
Capture them. They kind of look
Like a low poly, unsanded 3D print or something or the verticals ridges on some people’s fingernails.

But okay! Yea everybody seems fine otherwise.

Edit: aha! Managed to capture it.

 

[TooCheep]

I have one girl that lays slightly wrinkled eggs like that. She didn't start that way, but has been laying them for ~2 months now pretty consistently. I've tried a couple of things, but it hasn't changed. She is otherwise healthy and the eggs are fine. They just aren't good for sale, but I eat them myself.

She's 1 1/2 years old and laid over last winter, so she's been going a long time. I'm hoping she gets a good rest from laying over the winter and hopefully things smooth out this next spring.

 

[aart]

Edit: aha! Managed to capture it.

Ah, I see now. Not frequently, but have had those also.
With homegrown eggs you can get a lot of 'normal' oddities that you just don't see in store eggs.

 

[Ridgerunner]

I'll include a link to the Egg Quality Guide. You can look through the shell defects part and see some that look like yours. That guide is written for commercial operations, not backyard flocks, so their standards for what looks good in an egg carton may not meet yours. Defects like that do not harm the quality of the egg as far as eating it, just selling it. I'd not want to hatch it or other eggs that the specific hen is laying if she is anywhere consistent. It might be genetic.

Egg Quality Guide - The Poultry Site | The Poultry Site

Our eggs are not culled for "quality" before we see them like commercial eggs are. It is perfectly normal for something to be "wrong" with eggs from a commercial standpoint with a lot that we get. That can be shell defects or even stuff internal like blood spots or meat spots. That's why I suggest that we should always crack our eggs in a separate bowl before we add then to anything. I usually eat an egg with a blood spot unless that spot is huge. Meat spots don't hurt you either but can be unappetizing, especially if you are baking with that egg.