Poolthajit, S. , Wachirapakorn, C. , Haitook, T. , Srakaew, W. , Prapaiwong, T. and Tongnum, A. 2021. Effect of combination of vitamin-mineral supplementation and concentrate- to-roughage ratio diets on ruminal fermentation, gas kinetics and microbial biomass production using in vitro gas production technique. Agriculture and Natural Resources. 55, 5 (Oct. 2021), 764–776.