“Looking forward to a sustainable future – how do livestock productivity, health, efficiency and consumer perceptions interact?” published in Cattle Practice, 2017.
“Communicating animal science to the general public” Co-authored with Yancey, published in Animal Frontiers, 2015.
“Animal Feed vs. Human Food: Challenges and Opportunities in Sustaining Animal Agriculture Toward 2050” Co-authored with Berger, Brashears and Jensen, Council for Agricultural Science and Technology (CAST) Issue Paper #53. Published September 23, 2013.
“The Role of Productivity in Improving the Environmental Sustainability of Ruminant Production Systems” Co-authored with Bauman, published in the Annual Review of Animal Biosciences, 2013.
“Should we reject animal source foods to save the planet? A review of the sustainability of global livestock production” published in the South African Journal of Animal Science, 2013
“The Environmental and Economic Impact of Removing Growth-Enhancing Technologies from U.S. Beef Production” Co-authored with Hayes, published in the Journal of Animal Science, 2012
“BIOETHICS SYMPOSIUM: The ethical food movement: What does it mean for the role of science and scientists in current debates about animal agriculture?” Co-authored with Croney, Apley, Mench & Priest, published in the Journal of Animal Science, 2012
“Intramammary Infections and Teat Canal Colonization with Coagulase-Negative Staphylococci after Postmilking Teat Disinfection: Species-Specific Responses” Co-authored with Quirk, Fox, Hancock, Wenz and Park; published in the Journal of Dairy Science, 2012
“A Comparison of the Environmental Impact of Jersey Compared with Holstein Milk for Cheese Production” Co-authored with Cady; published in the Journal of Dairy Science, 2012
“The Environmental Impact of Beef Production in the United States: 1977 Compared with 2007” published in the Journal of Animal Science, 2011
“Replacing Rose-Tinted Spectacles with a High-Powered Microscope: The Historical vs. Modern Carbon Footprint of Animal Agriculture” published in Animal Frontiers, 2011
“The environmental impact of dairy production: 1944 compared with 2007” Co-authored with Bauman and Cady; published in the Journal of Animal Science, 2009
“Environmental impact of biotechnology: application of recombinant bovine somatotropin (rbST) in dairy production.” Co-authored with Castañeda-Gutiérrez, Bauman and Cady; published in the Proceedings of the National Academy of Sciences, 2008