they're just like chickens, they work of the #of daylight hours there is. The days have gotten shorter and that slows or stops the laying cycle. If you add light to their pen then you may get them to start laying again but there is long term consequences such as shorter laying lifespan due to being forced to lay.
my chickens haven't slowed down at all and I haven't been using extra light for them I guess my ducks are just more sensitive to the environment its sad through I got ducks because I heard they lay further into the winter. ya see how far that one went :/