AgNext’s feedlot research advances the efficiency, health, and sustainability of beef production by delivering practical, science-based solutions tailored to industry needs. Through rigorous evaluation of nutrition and management strategies in both scientific and commercial settings, this work enhances cattle performance, carcass quality, and profitability.

Meet Our Feedlot Systems Team:

Picture of Pedro Carvalho, Ph.D.

Pedro Carvalho, Ph.D.

Assistant Professor and Feedlot Specialist

Picture of Juan Vargas, Ph.D.

Juan Vargas, Ph.D.

Sustainable Beef Cattle Systems Postdoctoral Fellow

Picture of Sara Place, Ph.D.

Sara Place, Ph.D.

Assistant Professor of Feedlot Systems

Picture of Maya Swenson

Maya Swenson

Graduate Student


Publications on Feedlot Systems Research:

William Shaffer, Jorge Hidalgo, Nora Bello, Rylie Noland, Jennifer Bormann, Robert Weaber, Cashley Ahlberg, Kelsey Bruno, Clint Krehbiel, Michelle Calvo-Lorenzo, Chris Richards, Sara Place, Udaya DeSilva, Larry Kuehn, Megan Rolf. Journal of Animal Science, April 2025.

Brooke Latack, Pedro Carvalho, Gustavo Moura, Richard Zinn. Journal of Animal Science, April 2025.

Irene Reis, Welder Angelo Baldassini, Germán Darío Ramírez-Zamudio, Iasmin Myrele Santos Calaça de Farias, Marcos Roberto Chiaratti, Sérgio Pereira Junior, Ricardo Perecin Nociti, Pedro Carvalho, Rogério Abdallah Curi, Guilherme Luis Pereira, Luis Artur Loyola Chardulo & Otávio Rodrigues Machado Neto. BMC Genomics, December 2024.

Cuervo, Wilmer, Camila Gómez, Federico Tarnonsky, Ignacio Fernandez-Marenchino, Araceli Maderal, Federico Podversich, Juan Vargas, and Nicolas DiLorenzo. Animals, October 2024.

Daniela Alvarado, Rodrigo Torres, José Moreira, Yury Granja-Salcedo, Otavio Machado Neto, Luis Artur Chardulo, Mahesh Nair, Pedro Carvalho, Welder Baldassini. Tropical Animal Health and Production, July 2024.

Jessica Pereira, Fernanda Ferreira, Pedro Carvalho, Joao Bittar, Noelia Del-Rio, Marcos Marcondes. Journal of Dairy Science, May 2024. 

Pedro Carvalho, Brooke Latack, Marcos Ferraz, Lester Nolasco, Willi R Meireles, Heitor Oliveira, Richard Zinn. Journal of Animal Science. March 2024. 

Jaime Salinas-Chavira, Pedro Carvalho, Brooke Latack, Marcos Ferraz, Martin Montano, Richard Zinn. Translational Animal Science, January 2024.

Elizabeth Dressler, William Shaffer, Kelsey Bruno, Clint Krehbiel, Michelle Calvo-Lorenzo, Chris J Richards, Sara Place*, Udaya DeSilva, Larry Kuehn, Robert L Weaber, Jennifer Bormann, and Megan Rolf. Journal of Animal Science, November, 2023.

*This work was conducted while Dr. Place was still at Oklahoma State University.

Lauren Dean, Anthony Tarpoff, Kirsten Nickles, Sara Place, Lily Edwards-Callaway. Animals, September 2023