Oyeagu, C.E., et al. “Blood Bio-Markers, Growth Traits, Carcass Characteristics and Income Over Feed Cost of Broiler Birds Fed Enzyme Fortified Dried Brewer’s Grain”. Pakistan Journal of Nutrition, vol. 18, no. 9, Aug. 2019, pp. 834–844, https://doi.org/10.3923/pjn.2019.834.844.