Broken leg hen in a sling, can:will she lay her eggs?
You can stop her from laying by keeping her in a dark cage overnight for 16 hours a day and reducing her protein and feed slightly. It can take 2-3 days. Femur fractures are difficult to treat successfully. I hope she recovers, and please update us on her condition. This link has some good info about how to handle fractures, splinting, and prognosis of certain fractures: