Even in Argentina, the amount of beef that is purely grass-fed has dwindled. The popular image of standard Argentinian beef coming from bulls roaming the pampas

Even in Argentina, the amount of beef that is purely grass-fed has dwindled. The popular image of standard Argentinian beef coming from bulls roaming the pampas has been obsolete for at least a decade now. Argentinian beefs are now fed maize etc. on feedlots like in most other developed countries.