Harnkaew, C., Bunchasak, C., Rakangthong, C., Sukontasing, S., & Poeikhampha , T. (2018). Effect of α-galactosidase Supplementation in Diet on Egg Production, Egg Quality and Dietary Digestibility of Laying Hens. International Journal of Poultry Science, 17(5), 243–248. https://doi.org/10.3923/ijps.2018.243.248