soft shell eggs

[primitivefrn]

Have a Serama hen that lays a soft shell egg, quite offen, have oyster shell in front of her, anyways its what the feed store, called it. not the same stuff I was use to. ,
what all can cause, soft shell eggs. also been feeding hen scratch and scraps.
first post on info. she has also layed a egg the size of a marble, once.
and do you need real oyster schell or pretened oyster schell.
Thanks for any inpute, frist post on info..
Jim

 

[barred-rocks-rock]

You posted this twice.

 

[gsim]

Quote:
The stuff I use I buy at tractor supply store. Did not know a synthetic was available. You can also grind up the shells and feed them back to the chooks by sprinkling it on top of their feed or in oatmeal/boiled rice, etc. I sprinkle the crushed shells on top of their feed in the trough and they get it whether they want it or not.