I mean, of course it is. Farming animals requires ecosystem maintenance, whereas vegetation farming on mega farms is simply a process of ecosystem alteration through a process of chemical fertilizing, mass pesticide promulgation, and government subsidizing of non-ideal plants in regions hostile to their growth. Dr. Eades, over at protein power has a great post about this:
Human herding mimics the ‘herding’ done by large predators in the wild. That replicating natural herding creates the richest soil makes sense given that grasslands, large herbivores, and carnivores all co-evolved. Just as with diet, the closer we come to what the forces of natural selection designed us to eat, the better things work.
Here’s a Ted talk he posted about it by Allan Savory: