When do quails stop laying eggs and what to do with them?

Well the oldest ive personally kept egg laying quail are about two years old. I definitely get the most eggs in their first year, but they seem to lay fairly well in the second year. They lay less in the second year if i keep them laying over the winter...the seem to burn out. After they stop laying, i eat them. Well, technically the older ones usually go to the dogs. I feed my dogs a homemade diet, and they love older quail