Describes method of classifying ewes into groups according to fullness of muscling and amount of fat cover and how to adjust feed regimine according to the condition score and stage of the production cycle.
This section of the University of California's Sustainable Ranching Research and Education Project site provides a good introduction to Bud William's Stockmanship techniques. It also provides some good anecdotes and makes a strong connection between stress, productivity and your bottom line.