Hello, and a belated welcome! Good luck with your hen. 

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Thank you. I feed them eggs now and then and also grind all their shells and add to their feed.Hiya, and welcome to BYC!!
I hope your chicken gets better. I'd do what @TwoCrows suggested though, and just scramble and feed the chickens their eggs back until the day after you're done administering it.
and Welcome to Backyard Chickens.
to have you here with us. Enjoy your time here at BYC!