At what age do chickens start laying. Also, do these people that sell there eggs candle them before shipping to know there fertile?
5-8 months old for most breeds. Eggs cannot be determined fertile unless you crack them open or incubate them for a few days or even a week first. Check out this link and I bet you'll find a lot of answers for questions you didn't know you had. https://www.backyardchickens.com/lcenter.html