The area needed for that kind of farming is prohibitively large if we want to sustain current levels of consumption, though. Those bison the parent poster talks

The area needed for that kind of farming is prohibitively large if we want to sustain current levels of consumption, though. Those bison the parent poster talks about moved over a pretty darn huge area: https://en.m.wikipedia.org/wiki/Great_bison_belt https://en.m.wikipedia.org/wiki/Great_bison_belt