how early can they start laying

[farmerbill]

I have four hens that are about two years old and four that are eight months old and one that is two months old. I got a little bitty egg today and i was wondering if the two month old could have laid it. the eight month old chicks has been laying about three months now and i have never seen an egg this small before. i do give them a booster to help them lay, would this start the young chick to start laying this early

 

[Sandstorm495]

The egg you saw was most likely laid by one of your eight month old hens. It varies, but hens usually lay at around 4-6 months, and your youngest hen is only two months old.