Thanks Marty.
Actually, the one that is laying her eggs are thin shelled.
I like the suggestions that have been made. They are all easy to implement too. Particularly grinding up the pellets they refuse to eat. There's so much of it - damned birdies.
I'm always amazed at the frenzy that a bit of meat creates with the birds!
I occasionally add a crushed clove of garlic to their feed too. The next day the birds seem to have a bit more 'pick me up'.
A rooster isn't an option for us! I just can't see our neighbours being THAT obliging for a whole week