About: http://webisa.webdatacommons.org/71509417

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	???Methane is a major contributor to global warming and the slow digestive system of ruminant animals such as cows and sheep makes them a key producer of the gas.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org