Capper, Jude L., Larry Berger, Mindy M. Brashears, and Helen H. Jensen. “Animal Feed Vs. Human Food: Challenges and Opportunities in Sustaining Animal Agriculture Toward 2050”. Council for Agricultural Science and Technology (CAST) (September 11, 2013). Accessed July 1, 2026. https://publications.cast-science.org/CAST/article/view/93.