Suryani, N. N., Suama, I. W., Mahardika, I. G., & Sarini, N. (2020). Rumen Fermentation and Microbial Protein Synthesis of Bali Cattle Heifers (Bos sondaicus ) Fed Ration Containing Different Energy Protein Level. Jurnal Sain Peternakan Indonesia, 15(2), 187–194. https://doi.org/10.31186/jspi.id.15.2.187-194