Ali A, Sandi S, Riswandi, Imsya A, Prabowo A, Rofiq N. Evaluation of Yeast Supplementation with Urea-Molasses in Rice Straw-Based Diets on in vitro Ruminal Fermentation. Pak. J. Nutr. 2015;14(12):988–993. doi:10.3923/pjn.2015.988.993