Faculty / Staff


Photo: Dr. Bret McNabb, DVM, MPVM, DACT

Bret McNabb, DVM, MPVM, DACT, DABVP (Food Animal) - Chief of Service

Dr. Bret McNabb graduated from the UC Davis School of Veterinary Medicine in 2007, where he focused on large animal medicine. After graduation, he practiced in Dillon, Montana in a mixed large animal practice comprised of mostly beef cattle and equine work. He returned to UC Davis in 2009, and completed a residency in Livestock Herd Health and Reproduction, as well a Masters in Preventative Veterinary Medicine. Dr. McNabb became a board-certified Diplomate of the American College of Theriogenologists in 2012, and a board-certified Diplomate of the American Board of Veterinary Practitioners (Food Animal Practice) in 2016. Dr. McNabb is an Assistant Professor of Clinical Livestock Reproduction, and currently serves as the chief of the Livestock Herd Health and Reproduction Service.

Photo, Richard Pereira, DVM, PhD

Richard Pereira, DVM, PhD

Dr. Richard Pereira obtained his veterinary degree in 2008 from the Federal University of Uberlândia, Brazil. From 2008 to 2009, he completed an internship in the Food Animal Reproduction and Medicine Service at the University of Florida, and from 2009 to 2011, he completed a residency in the Ambulatory and Production Medicine Service at Cornell University. In 2015, Dr. Pereira completed his PhD in epidemiology at Cornell. In October 2015, he joined UC Davis as an assistant professor of Clinical Livestock Herd Health. His research interest is on the emergence, persistence and transmission ecology of antimicrobial resistant and zoonotic bacteria in livestock, with the aim of developing effective and feasible interventions to reduce and prevent the spread of drug resistance.

Photo: Dr. Joan Dean Rowe, DVM, MPVM, PhD, DACPM

Joan Dean Rowe, DVM, MPVM, PhD, DACVPM

Dr. Joan Dean Rowe holds DVM, MPVM, and PhD degrees from the University of California, Davis. She completed a residency in Livestock Herd Health and Reproduction at UC Davis, and has been a faculty member in the service for more than 20 years. Dr. Rowe is currently the President-elect of the American Association of Small Ruminant Practitioners and is a past recipient of the AASRP Donald E. Bailey Practitioner of the Year Award. Dr. Rowe is a board-certified Diplomate of the American College of Veterinary Preventive Medicine, and is a Professor in the Department of Population Health and Reproduction.


Photo: Mohd Muzafar, DVM, MS, PhD

Muzafar Makhdoomi, DVM, MS, PhD - Resident II

Dr. Muzafar Makhdoomi obtained his Bachelor of Veterinary Sciences and Animal Husbandry in 2008 from Sher-e-Kashmir University of Agricultural Sciences and Technology (SKUAST-K) in Jammu and Kashmir, India. He participated in a rotatory internship for six months at SKUAST-K and associated hospitals. Dr. Makhdoomi then completed his Masters in Veterinary Microbiology and Immunology from SKUAST-K in 2010 and developed a vaccine against footrot in sheep. Following completion of his Masters degree, he gained training in large animal reproduction for eight months at Cattle Breeding Farm, SKUAST-K. Dr. Makhdoomi completed his PhD in Biological Sciences, funded by Chancellor’s International Scholarship at University of Warwick (UK) in 2015 followed by a one-year postdoctoral fellowship at University of Warwick. He started his livestock herd health and reproduction residency at UC Davis in 2016.

Photo: Paolo Tempini, DVM

Paolo Tempini, DVM - Resident III

Dr. Paolo Tempini earned his veterinary degree in 2013 from the University of Parma in Italy, focusing primarily in livestock health and reproduction. After graduation, he worked for two years in a large animal private practice before beginning his residency at UC Davis.

Photo: Tara Urbano, DVM

Tara Urbano, DVM - Resident I

Dr. Tara Urbano received her Bachelor's degree in livestock production from UC Davis in 2011, and her DVM from UC Davis in 2016. Following graduation, she practiced in both South Dakota and the Central Valley of California. Dr. Urbano began her three-year residency in 2017. Her professional interests include advanced reproductive technologies, dairy practice, beef quality, and stocksmanship.


Photo: Barbara Thorne

Barbara Thorne

Barbara Thorne has been employed at UC Davis Livestock Herd Health and Reproduction Service since 1997. Barbara earned a BS in Animal Science from California State University, Chico. She and her husband Joe have been in the ranching business for more than 25 years, raising sheep, beef cattle and training stockdogs. She loves working with the students, as well as enthusiastic veterinarians, which keeps her job fulfilling and enjoyable.