Wu, G. et al. 2007. Effect of Dietary Energy and Protein on Performance, Egg Composition, Egg Solids, Egg Quality and Profits of Hy-Line W-36 Hens During Phase 2. International Journal of Poultry Science. 6, 10 (Sep. 2007), 739–744. DOI:https://doi.org/10.3923/ijps.2007.739.744.