Is it true that cow fart increases the greenhouse effect?

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And yes! During digestion, oxen and cows produce a lot of methane, a gas that contributes 23% of the greenhouse effect and is 21 times more active than carbon dioxide in retaining the sun’s rays that warm the globe! In Brazil, herds of cattle and other ruminants (goats, sheep, buffaloes…) are responsible for 90% of the methane generated in the country – in the world, this figure drops to 28%. The gas is produced by bacteria in the rumen (one of the four cavities of the animals’ stomach), which help to extract energy from the food that the cattle eat. The most curious thing is that most of the gases do not come out thunderously through the animal’s anus, but through the mouth, as if it were a belch, along with breathing. But, before anyone decides to name the oxen and send the cows to the swamp because of the greenhouse effect, it is worth remembering that the main responsible for excessive global warming is the carbon dioxide emitted by factories and cars.” In the case of ruminants, it is possible to reduce methane emissions by changing the animals’ diet and reducing the time for slaughter”, says agronomist Sérgio Raposo, from Embrapa.