Egg Shell Problem?

Michigan Chickman

Songster
11 Years
Jul 11, 2008
183
3
121
SW Michigan
I have 31 RIRs that were hatched 4/7/08. I've been getting eggs for several weeks and am now getting 8-12 a day, so a about a third of the girls are laying. Today we had 11 eggs.
13042_dscf0823.jpg

I've noticed that almost everyday at least one of the eggs will be broken. Usually just a small hole on the narrow end and cracked. I was afraid that I had a hen breaking them during the day, but tonight I found something.
13042_dscf0828.jpg

It's like a small clump of shell that's really brittle. Are the hens breaking them trying to get it off? I would guess because it's a brittle spot it's breaking on its own as they roll it around sitting on it. They have had access to oyster shell for at least a month and have been on layer mash since just prior to starting to produce eggs.

What are these imperfections and how do I get them to go away? Am I missing something?

Thanks for your help,
Thom
 
You may want to do a search. I saw a post in one of the forums with pictures of eggs just like yours, but haven't been able to find it, but will keep looking.
 

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