Although individual laying hens can live for 10-15 years and occasionally longer, the average number of eggs that hens lay tends to drop off as they age. We have hens that are productive after 4 years of laying, and we have had hens that died at 2-3 years of age. Things vary quite a bit…| Farmstead Chickens
I've found that the Black Australorps I hatch and raise (a heritage strain) typically start to lay their first eggs at around 6-7 months of age.| Farmstead Chickens