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Ancient Greek writings describe livestock eating seaweed, as do Icelandic sagas.
古希臘文字中有關于家畜食用海藻的描述，冰島的傳奇故事中也有。
And, sheep on North Ronaldsay, in the Orkney Islands of Scotland, still graze on the stuff.
在蘇格蘭奧克尼群島的北羅納德賽島上，羊仍然以這種東西為食。
But that is now seen as unusual. It may not be in the future, however, as research conducted in Australia and New Zealand
但現在看來，這是不尋常的。但以后可能就覺得正常了，因為在澳大利亞和新西蘭進行的研究表明
suggests algavory of this sort may reduce greenhouse-gas emissions from stock animals.
這種藻類可以減少家畜的溫室氣體排放。
The research in question is being co-ordinated by CSIRO, Australia's main science agency.
上述研究由澳大利亞主要科學機構聯邦科學與工業研究組織（CSIRO）協調進行。
The project is looking into microbes that inhabit the stomachs of ruminants such as cattle and sheep.
該項目正在研究反芻動物（如牛和羊）胃中的微生物。
These bugs transform those animals' fibrous fare into energy-rich molecules, some of which the host animal is able to absorb and utilise.
這些細菌將這些動物的纖維食物轉化成能量豐富的分子，其中一些是宿主動物能夠吸收和利用的。
One energy-rich molecule that is not absorbed, though, is methane. Instead, the animals belch it into the atmosphere.
然而，有一種能量豐富的分子—甲烷，動物們不能吸收甲烷而是把它噴到大氣中。
Which is a problem, because methane is a greenhouse gas that has a warming effect 28 times as powerful as carbon dioxide's.
這是一個問題，因為甲烷是溫室氣體，其溫室效應是二氧化碳的28倍。
Since this loss of methane also deprives the host of the energy therein,
由于甲烷的損失也剝奪了宿主的能量，
thus probably reducing its growth rate, controlling methanogenic bacterial activity in ruminants looks like a beneficial twofer.
因此，控制反芻動物體內產甲烷細菌的活性或許能夠降低其增長率，這似乎是一種有益的雙重作用。
The antimethanogenic powers of Asparagopsis, the seaweed in question,
蘆筍藻（上述所談到的藻類）的抗甲烷產出能力
were discovered in 2016 and experiments involving it have been going on since then.
發現于2016年并且其相關試驗持續至今。
One of the latest, published in October in the Journal of Cleaner Production,
其中最新的一篇發表在10月份的《Journal of Cleaner Production》上，
showed that dairy cows eating a diet containing 1% Asparagopsis produce only a third of the methane belched by cows on seaweedless diets.
該研究表明食用含有1%蘆筍藻食物的奶牛產生的甲烷只有食用無海藻食物奶牛的三分之一。
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