Velásquez , A., R. Arias, and J. Rivero. 2022. “Inclusion of Secale Cereale and Pentosanases in the Ration of Laying Hens: Exploring Its Effect on Egg Production and Concentrate Intake and Searching the Optimal Combination in a Diet”. International Journal of Poultry Science 21 (4): 151–158. https://doi.org/10.3923/ijps.2022.151.158.