Holy Cow - that's some gas you cows have

[PuckOff]

Gassy German Cows Blamed for Barn Explosion

http://abcnews.go.com/Weird/wireStory/gassy-german-cows-blamed-barn-explosion-22263227

 

[kato]

methane emissions

global death

 

[Saulty]

Bovine belching and flatulence releases large quantities of the gas.