Fig. 1From: Alternative pathways for hydrogen sink originated from the ruminal fermentation of carbohydrates: Which microorganisms are involved in lowering methane emission?Simplified scheme of rumen methane production and emission and the biogenic carbon cycle. C designates carbon, fixated in plants from CO2 through photosynthesis, which is then consumed by animals as carbohydrates. VFA, volatile fatty acids;Â IC, intermediary compounds and/or other productsBack to article page