The majority of beef comes from feedlots. 90% of the beef we eat is grain-fed. Depends on what country you're in, I guess. Here in Ireland cattle are predomina

The majority of beef comes from feedlots. 90% of the beef we eat is grain-fed. Depends on what country you're in, I guess. Here in Ireland cattle are predominately grassfed (though usually are fed at least some grain in the winter too).