Associate Professor
University of Georgia
Dr. Todd Callaway PhD is an Associate Professor in the Department of Animal and Dairy Science at the University of Georgia. Todd is a ruminant microbiologist who received his B.S. and M.S. degrees from the University of Georgia in Animal and Dairy Science, and completed his Ph.D. degree in Microbiology from Cornell University. Dr. Callaway joined the Agricultural Research Service of the USDA (USDA-ARS) and served as a research microbiologist in the Food and Feed Safety Research Unit in College Station, Texas. Dr. Callaway became National Program Leader for Food Safety for USDA-ARS, with a research portfolio that included: On-Farm Food Safety, Antimicrobial Resistance, and Microbiome exploration. Dr. Callaway has published more than 225 refereed journal articles, over 25 book chapters, and 2 books. Dr. Callaway received the American Society of Animal Science Early Career Research Award and the USDA/ARS Early Career Research Awards in 2007. His research focuses on the role of the gut microbiota in the nutrition of cattle, and how the complex environment of the cattle gastrointestinal tract can impact food safety and production efficiency. He has led research focused on improving digestibility and altering endproducts from microbial fermentations, including impacts on methane, ammonia, VFA, and DMD/NDF digestibility.