All of our hens stopped laying suddenly around early March (Autumn in Australia). We suspected rats after finding egg reminants in the laying boxes, including fertilised ones that one of our Mama Hen was sitting on
and put the halt in egg production down to stress and the fact that some hens may have been molting. It's now been 3 months with 0 eggs, the rat problem has been taken are of and they are all fully feathers & finished with their molting.
The laying hens are Leghorns, Arucana x Australorp and Bantams all between 10-14 months, and had been laying almost daily prior to stopping. We've noticed they aren't squatting when we pat their backs like they used to, and our very vocal roosters have stopped crowing (unsure if related).
They have plenty of Layers Mix and fresh water available to them throughout the day, get plenty of time & space to free range and are up to date with their worm treatment. They seem to be healthy and well.
Am I being impatient or could there be something else going on? Or something else I should try?

The laying hens are Leghorns, Arucana x Australorp and Bantams all between 10-14 months, and had been laying almost daily prior to stopping. We've noticed they aren't squatting when we pat their backs like they used to, and our very vocal roosters have stopped crowing (unsure if related).
They have plenty of Layers Mix and fresh water available to them throughout the day, get plenty of time & space to free range and are up to date with their worm treatment. They seem to be healthy and well.
Am I being impatient or could there be something else going on? Or something else I should try?