Effect of Red Pepper () Powder or Red Pepper Pigment on the Performance and Egg Yolk Color of Laying Hens

by Huaqiang Li, Liji Jin, Feifei Wu, Philip Thacker, Xiaoyu Li, Jiansong You, Xiaoyan Wang, Sizhao Liu, Shuying Li, Yongping Xu
Published 2012-11-01