Olgun, O. and Yıldız, A. Önder 2014. Effects of Diets Including Different Levels of Protein and Supplemented with Probiotic-Enzyme on Performance and Eggshell Quality of Laying Quails. Turkish Journal of Agriculture - Food Science and Technology. 2, 5 (May 2014), 236–241. DOI:https://doi.org/10.24925/turjaf.v2i5.236-241.130.