Weak yolks?

LukeDuke22

Hatching
6 Years
Aug 2, 2013
4
0
7
Seems like my yolks in my eggs break really easy anymore, is there anything I can feed them to help this out?
 

ChickensAreSweet

Heavenly Grains for Hens
9 Years
Jun 8, 2010
15,100
699
398
Pacific NW- where the Douglas Firs grow
http://www.ksre.ksu.edu/bookstore/pubs/EP127.pdf

http://www.thepoultrysite.com/publi...-handbook/5/internal-and-external-egg-quality

http://edis.ifas.ufl.edu/ps020

From what I have been reading this would be a result of a weak vitelline membrane, which can be an "indirect effect of poor eggshell quality" or the age of the hens, or improper storage temp.

So, the egg yolks will start going flat and break easily if that membrane is weakened, I am inferring from what I read.

My recommendation is to make sure they have plenty of oystershell around- sorry I don't know how to advise really. I hope this helps.

Also make sure they aren't being stressed by mites/lice, or worms.
 

LukeDuke22

Hatching
6 Years
Aug 2, 2013
4
0
7
Thanks I'll try that , I have been just feeding them their own egg shells back and it seems like it makes for a strong outer shell, but just a weak yolk, I'll give the oyster shell a shot and post back with the results incase anyone else is running into the same problem
 

ChickensAreSweet

Heavenly Grains for Hens
9 Years
Jun 8, 2010
15,100
699
398
Pacific NW- where the Douglas Firs grow
Thanks I'll try that , I have been just feeding them their own egg shells back and it seems like it makes for a strong outer shell, but just a weak yolk, I'll give the oyster shell a shot and post back with the results incase anyone else is running into the same problem
Awhile back someone wrote on BYC that there was a study showing that the oyster shell flakes were more effective at making stronger eggshells than calcium powder- the size of the calcium matters.

I don't know about eggshells- should work and all- lots of people do it- but if you are having issues it is a cheap thing to try.

I think but am not sure that they mean by "indirect effect of eggshell quality" that the eggshell is more permeable than it is supposed to be. I don't think it directly affects the membrane but I could be wrong. In other words, an eggshell that doesn't protect the way it is supposed to, will make the eggs go "stale" faster. Stale eggs have the flat yolks and the weaker membrane.

Hopefully this helps- more guessing here but maybe it will help you out anyway.
 

LukeDuke22

Hatching
6 Years
Aug 2, 2013
4
0
7
Yeah so I have very strong exterior shell and even the membrane that is close to the exterior shell just not the yolk membrane, or possibly I'm just a really bad egg cracker, but possibly the egg shells lose Calcium after they have been ate time after time. I don't know but will definelty be interesting if the oyster shell solves it
 

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