Geng Ailian, Associate Professor at the Institute of Animal Husbandry and Veterinary Medicine, Beijing Academy of Agricultural and Forestry Sciences. Her research focuses on key nutritional requirements of a native chicken, Beijing You Chicken, under cage and free-range systems, development of odor control technology for middle and small-scale chicken house, lighting control application in modulating incubation and egg-laying behaviors, establishment of ecological and animal friendly rearing mode such as “woodland-grass-chicken rearing” and their application in farms, etc.