In addition, I'd also check these things:
1. Make sure they have adequate calcium
2. See if they're hiding the eggs somewhere
3. Find out if they are eating the eggs or if someone/thing is taking them
4. Feel the hens' abdomens to make sure there are no impactions/infections
Minimizing stress in general will help, too.
1. Make sure they have adequate calcium
2. See if they're hiding the eggs somewhere
3. Find out if they are eating the eggs or if someone/thing is taking them
4. Feel the hens' abdomens to make sure there are no impactions/infections
Minimizing stress in general will help, too.