Mumbach, Tatiele, et al. “Metabolic and Ruminal Fluid Markers of Dairy Cows Supplemented With a Combination of Yeast Culture and Hydrolyzed Yeast”. Acta Scientiae Veterinariae, vol. 45, no. 1, Jan. 2017, p. 8, doi:10.22456/1679-9216.80499.