egg problem

This a.m. saw a hen trying to leave her nest to eat and had to fight off another pigeon, noticed there was only one egg, had been two. Then I saw the egg out in the yard ruined. I have secured their pen so that no night predators can bother them - accessible to very small predators during the...

I have a two year old female, Olivia, (who has paired up with another female) and they each lay two eggs each month. (All my hens lay eggs each month - even through the winter.) I put dummy eggs in and leave them until they get bored with them and they start over again. Last month Olivia had...

Emma, our feral matriarch, who is living on our balcony, has problems with her eggs. It started in August last year that her eggs did not look as they should. First only the surface changed from being smooth to being rough but the shells were strong. One month later, in September, Emma then had...

please help me. I have a 4-5 yrs bird that was doing good till recently. But now has stopped laying eggs. It feeds, mates and does all other normal and routine things as usual seem to be carryng eggs too within a period of 6-7 days but then suddenly becomes light and does not lay any eggs...