His father raised cattle on farms in the area and kept horses to work the cattle. (vetmed.auburn.edu)
We think most people who work on farm animal advocacy would agree with this claim based on their personal experiences interacting with the public. (animalcharityevaluators.org)
The story of farming in the last century includes many examples of automated machinery boosting agricultural productivity and reducing the need for human labor. (scientificamerican.com)