Grazing Management The Most Important Grazing Management Strategy to Date Troy Bishopp April 4, 2016 Andre Voisin developed the theory of rational grazing. Darrell Emmick gave us prescribed grazing. Jim Gerrish coined the phenomenon of management intensive grazing. Greg Judy sparked the practice of mAll the grazing management tips you need Subscribe to read this article and over 2,500 more! Subscribe today! If you're already a subscriber, log in here.