Well, I have tried HARD to keep straw in the nesting boxes. The girls keep kicking it out on the ground (as they search for treats below the straw-so they think). I cannot figure out how to keep the straw in there long enough for them to leave it alone. I have not had any broken eggs yet from them dropping them out on the wood part of the box, and they are using the box EVERY day!! -- therefore, should I be concerned? I just figure that if it looks like a nest, they may use it more/increase production/feel happy!