Taye, Kushal, et al. “Studies on Effect of Mannan Oligosaccharides, β-Glucan and Their Combination on Immune Status and Litter Condition of Broilers Reared under Hot Climatic Condition”. International Journal of Livestock Research, vol. 11, no. 12, Dec. 2021, pp. 29-36, doi:10.5455/ijlr.20210820024441.