This is a very helpful thread. Thank you. I have 3 layers and have noticed that production has all but stopped. I do believe it is light as they now sleep from 5:30 pm till 7:30 am, and they could be moulting. My question is, is this it till Spring? I am not interested in using artificial light.
Yes. (the short answer)
The longer answer is "it depends on the breed." Keep checking for eggs daily....the day after a sunny day you might still get an egg from one of them. Many breeds start laying again in January as the days start go get longer. Some other breeds start again in March, with almost all starting again in April.
And now you see why you can find cheap or free hens in the Fall. Everyone is downsizing and only feeding the birds they want to breed in the spring through the winter. (Personally I am canning all my birds that haven't been good layers. By "canning", I mean butchering and putting them in pint jars for future eating)