The greenhouse gas figure equates to 18% of man-made greenhouse gas emissions, largely thanks to the methane and nitrous oxide animals' "enteric fermentation".

畜牧业产生的温室效应气体，大部分由甲烷沼气和动物肠内发酵及粪尿处理产生的氮氧化物，总量占到人为产生温室气体的18%。

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Improving animals' diets to reduce enteric fermentation and consequent methane emissions, and setting up biogas plant initiatives to recycle manure.

改善动物膳食以减少肠内发酵及其导致的甲烷排放，并建立沼气厂对粪便进行再循环处理。

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The present research was conducted to investigate the influence of saponins on rumen fermentation and methane production in vitro and growth performance of growing Boer goats.

本课题以皂甙为试验材料，研究了皂甙对瘤胃体外发酵和甲烷产量以及动物生长性能的影响。

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Once the fermentation process that creates the methane is finished, the remaining solid matter, or "digestate" is used as an organic fertilizer for crops that will later be used as feedstock for the animals.

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