[aruanan]

are investigating microbes in kangaroos' stomachs.

The Department of Primary Industries researchers want to isolate the bacteria in kangaroos that prevents the production of methane.

They should be looking at the bacteria in the colon as well since those produce a lot of methane. Cows produce so much methane that a tube inserted in the anus will support a continuously burning flame.

[general_re]

Cows produce so much methane that a tube inserted in the anus will support a continuously burning flame.

And you know this because...?