Gunawardana, P. (2009) “Effect of Dietary Protein and Peptide in Corn-Soy Diets on Hen Performance,Egg Solids, Egg Composition and Egg Quality of Hy-Line W- 36 Hens During Second Cycle Phase Three”, International Journal of Poultry Science, 8(4), pp. 317–322. doi:10.3923/ijps.2009.317.322.