I donāt know if it is possible without an operation and that would shorten their lifespan by years and is ridiculously painful and cruel to the chickenOh Boy..I live in the city & not allowed to have a roo. And hu;by says 3 birds max. Anyway to increase her estrogen levels so she'll lay again? I've heard seaweed (kelp) powder. I started feeding her that today. Anything else I can try?Thank you!