What to feed old, non-laying hens

[meekasmom]

I have 2 pet hens that are 4 years old and haven't laid an egg for 6 months. My question is, should I still feed them layer feed or something else?

 

[Joe.G]

I would feed them Flock Raiser or something along those lines, If they start laying again put them back on layer. This is what I would do. Not sure if it is right.