Illinois is a top agricultural state, generating billions of dollars annually, but even where stalks of corn and acres of soybean vastly outnumber its 400,000 head of cattle, cows raised for beef and ...

Up close, they are beautiful and evocative — at least more than you might imagine for tiny organisms that live inside the stomachs of livestock and help generate planet-warming gases. Known as rumen ...

Researchers are testing a new type of cattle feed that could help dairy cows release less methane gas from burps and flatulence and use nutrients more efficiently. Because methane traps heat in the ...