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Photo: Barbara A Byrne

Barbara A Byrne- BA, DVM, PhD
Associate Professor of Clinical
Pathology, Microbiology & Immunology

4206 VM3A
Davis, CA 95616

+1 530 754 6286


Research Focus

Clinical microbiology, marine mammal bacterial disease, ecology of microbial disease

Specialty Focus



1980 BA , University of California, Santa Cruz,
1987 DVM , Colorado State University,
1998 PhD , Washington State University,

Honors and Awards

1994 Washington State University: TA Excellence in Teaching Award
1990 The Ohio State University College of Veterinary Medicine Hospital Service Award
1987 Pfizer Veterinary Scholarship
1986 Phi Zeta, Veterinary Honor Society
1986 Isaac E. Newsom Memorial Scholarship
1984 Tracy Bissette Memorial Scholarship


Diplomate American College of Veterinary Internal Medicine, Large Animal
Diplomate American College of Veterinary Microbiology, Bacteriology and Mycology

Active Research Grants

Co-Investigator, Evaluation of fecal Salmonella in symptomatic and asymptomatic dogs and cats, Kristen Clothier (Principal Investigator), United States Food and Drug Administration

Co-Principal Investigator, 24. Binational collaboration to advance research on the agent responsible for withering syndrome, a devastating abalone disease, Barbara A Byrne and Axayacatl Rocha Olivares (Principal Investigator), University of California MEXUS

Co-Investigator, Bacterial population of canine skin preceding orthopedic procedures, Robinson DR (Principal Investigator), Center for Companion Animal Health

Most Recent 10 Publications

  • Link Icon 2014 Sadar MJ, Guzman DS, Burton AG, Byrne BA, Wiggans KT, Hollingsworth SR Mycotic keratitis in a Khaki Campbell Duck (Anas platyrhynchos domesticus) J Avian Med Surg,
  • Link Icon 2014 Carrasco SE, Chomel BB, Gill VA, Kasten RW, Maggi RG, Breitschwerdt EB, Byrne BA, Burek-Huntington KA, Miller MA, Goldstein T, Mazet JA Novel Bartonella infection in northern and southern sea otters (Enhydra lutris kenyoni and Enhydra lutris nereis) Vet Microbiol,
  • Link Icon 2014 Ybarra WL, Sykes JE, Wang Y, Byrne BA, Westropp JL Performance of a veterinary urine dipstick paddle system for diagnosis and identification of urinary tract infections in dogs and cats J Am Vet Med Assoc,
  • Link Icon 2014 Pusterla N, Byrne BA, Mapes S, Akana N, Wademan C, Fielding LC, Slovis N, Elam T, Magdesian KG Investigation of the use of pooled faecal and environmental samples following an enrichment step for the detection of Salmonella enterica by real-time PCR Vet Rec,
  • Link Icon 2014 Burco JD, Massey JG, Byrne BA, Tell L, Clemons KV, Ziccardi MH Monitoring of fungal loads in seabird rehabilitation centers with comparisons to natural seabird environments in northern California J Zoo Wildl Med,
  • Link Icon 2014 Rivera-Garcia S, Angelos JA, Rowe JD, Byrne BA, Wetzlich SE, Van Liew DB, Tell LA Pharmacokinetics of ceftiofur crystalline-free acid following subcutaneous administration of a single dose to sheep Am J Vet Res,
  • Link Icon 2014 Weis AM, Miller WA, Byrne BA, Chouicha N, Boyce WM, Townsend AK Prevalence and pathogenic potential of Campylobacter isolates from free-living, human-commensal American Crows Appl Environ Microbiol,
  • Link Icon 2014 Kim MH, Gorouhi F, Ramirez S, Granick JL, Byrne BA, Soulika AM, Simon SI, Isseroff RR Catecholamine stress alters neutrophil trafficking and impairs wound healing by ß2-adrenergic receptor-mediated upregulation of IL-6. J Invest Dermatol,
  • Link Icon 2014 Zehnder AM, Hawkins MG, Koski MA, Lifland B, Byrne BA, Swanson AA, Rood MP, Gee JE, Elrod MG, Beesley CA, Blaney DD, Ventura J, Hoffmaster AR, Beeler ES Burkholderia pseudomallei isolates in 2 pet iguanas, California, USA Emerg Infect Dis,
  • Link Icon 2013 Pereira Md, Byrne BA, Nguyen TB, Lewis DJ, Atwill ER The occurrence of subtilase-cytotoxin-encoding genes in environmental Escherichia coli isolated from a Northern California estuary. Can J Microbiol,

Most Recent 5 Book Chapters

2014 Byrne BA: Chapter 45: Rational antimicrobial use, Smith BP, (ed), Large Animal Internal Medicine, 5e, St Louis. 1391-8.

2014 Byrne BA: Chapter 46: Laboratory diagnosis of fungal infections, Sellon DC, Long MT, (ed), Equine Infectious Diseases, 2e, St Louis. 393-91.e1.

2014 Byrne BA: Chapter 27: Laboratory diagnosis of bacterial infections, Sellon DC, Long MT, (ed), Equine Infectious Diseases. 2e, St Louis. 257-65.e1.

2007 Byrne BA: Chapter 49: Laboratory diagnosis of fungal infections, Sellon DC, Long MT, (ed), Equine Infectious Diseases, 1e, St Louis. 385-91.

2007 Byrne BA: Chapter 27: Laboratory diagnosis of bacterial infections, Sellon DC, Long MT, (ed), Equine Infectious Diseases, 1e, St Louis. 236-44.