Gde Bidura, I. G. N.; Siti, N. W.; Candrawati, D. P. M. A.; Puspani, E.; Partama, I. B. G. Effect of Probiotic Saccharomyces Spp. On Duck Egg Quality Characteristics and Mineral and Cholesterol Concentrations in Eggshells and Yolks. Pak. J. Nutr. 2019, 18 (11), 1075–1083. https://doi.org/10.3923/pjn.2019.1075.1083.