Considering there are almost 100million cattle alive in just the USA right now, I'd say that 60million 200+ years ago are pretty negligible ;) http://usda.mann

Considering there are almost 100million cattle alive in just the USA right now, I'd say that 60million 200+ years ago are pretty negligible ;) http://usda.mannlib.cornell.edu/usda/current/Catt/Catt-01-31-2018.pdf http://usda.mannlib.cornell.edu/usda/current/Catt/Catt-01-31...