 
 Alternatively they may have decided to supplement their diet with their own eggs, and they may be the egg eating culprits themselves, but they do tend to eat everything, shell and all.
There are various things that put chickens off laying - heat, wet, cold, a bad mood
 , moult, mites etc etc etc
 , moult, mites etc etc etcMagpies, large rats, pine martens, crows will all crack and eat eggs too, so you may have an external culprit.
Are you chickens singing egg delivery songs? We had problems with chickens eating eggs and got in the habit of nipping in quickly when they started to sing out so they did not have the chance to tuck in, and they have stopped scoffing them now, as they simply don't expect them to be there anymore.






 he 'plays' with them for a few minutes before leaving it on the doorstep - never a crack in sight! I wouldn't like to try & incubate them though!
 he 'plays' with them for a few minutes before leaving it on the doorstep - never a crack in sight! I wouldn't like to try & incubate them though!

 
  Never had anything eaten in the duck nest inside.
 Never had anything eaten in the duck nest inside. (thanks)
 (thanks) There's always sparrows and little birds going in there and yesterday I found a swallow - luckily not building a nest as when it rains I shut the door!
  There's always sparrows and little birds going in there and yesterday I found a swallow - luckily not building a nest as when it rains I shut the door!
