I don't know how many years you have raised your birds but more than likely there will be a day when you loose one. I have gone a few years without loosing any birds then somewhere a predator breached. Good luck and have fun...I would consider getting a rooster or two, because if they are free range hens, they need extra protection. The rooster alerts them to predators so they can hide. I have not lost one hen yet!!! I have coyotes, etc.