I can't remember the title of the research, but this guy found that on the average an adult male blew about 3.3 liters of gas per day. And, the average female blew about 3 liters of gas per day.
So, I think that these imbeciles need to look to themselves before they start blaming the poor, innocent cows.
a mol of methane, weighing 16 g, has a volume of 22.4 liters at standard temperature and pressure (STP).
National Academies of Sciences, Engineering, and Medicine. 2010.
The average cow emits 264 lbs of methane per year on average primarily via the mouth it’s a myth they feet the gas is produced in the rumen in the front of the digestive track. So some crayon eating math as in primary school level.
Lbs to grams... One US point is 453.592 grams
264lbs times 453.592 = 119,748.288 grams per year.
119,748.288 / 365 = 328.0775 grams per day
328.0775 / 16g(mol) = 20.505 miles
20.505mol * 22.4l(stp) = 459.309 liters per day.
Love me some cows but they do burp a lot farts not so much.
You are off by three times. Humans produce on average about one liter per day of intestinal gas of that 7% is methane the rest is carbon dioxide, nitrogen and sulfur compounds. The stinky stuff is hydrogen sulfide. Yes people do study this stuff with high tech mass spectrometry at that. NSF funds at work.
https://blogs.nicholas.duke.edu/citizenscientist/silent-but-deadly/