/ cage-free Content for 不良研究所 en /news/can-we-better-prepare-hens-cage-free-living <p>Cage-free housing may be more spacious for hens, but the extra room comes with added risk of collisions and broken bones. 不良研究所 animal welfare experts are leading efforts to whether complex rearing systems can reduce bone fractures.</p> April 19, 2018 - 10:42am Amy M Quinton /news/can-we-better-prepare-hens-cage-free-living