This is a very painful post for me as I love my hens, but Betty, my black austerlorp, is laying no membraned eggs for the past 6 weeks. She sometimes lays one with a membrane, but mostly it's sunny-side up eggs in the nest box. Big mess to clean-up. She gets lots of oyster shells and egg shells and yogurt and and the same diet as the rest of the hens. She's about a year old and laid almost everyday until this happened. She still goes to the nest box every day and tries to lay. I think she's averaging about 4 membraneless eggs a week now. Other than this, she seems quite healthy and happy. I'm assuming that she isn't going to work this out given how long it's been going on. My reading of all the postings is that she has something wrong with her shell making mechanism and will probably become egg bound. So, I'm wondering if we can eat her or do people think she has some virus that would make it unsafe. How would I know?