"A canny use of data and genetics could help create a new generation of green cows."
"Less feed, less methane, more milk. - Ehsani believes it will be possible to use wide-ranging data - and genetics - to breed cattle that produce less methane and utilize feed more efficiently - eating less, emitting less and producing more milk."
https://www.ed.ac.uk/impact/research/futureproofing-societies-planet/breeding-planet-friendly-cattle