Roy Berghaus

Department of Population Health, Food Animal Health and Management
DVM, MS, PhD, Dip ACVPM (Epidemiology)


Research Interests

  • Analytical epidemiology and applied biostatistics
  • Bovine respiratory disease
  • Antimicrobial resistance
  • Salmonella and Campylobacter in poultry

Educational Background

  • PhD, Epidemiology, University of California, Davis, 2006
  • MS, Biomedical Science, University of Missouri, Columbia, 2001
  • DVM, University of Missouri, Columbia, 1994
  • BS, Chemistry, College of the Ozarks, Point Lookout, Missouri, 1990

Board Certification

  • Diplomate of the American College of Veterinary Preventive Medicine (2004 - Present)
  • Certified, ACVPM Epidemiology Specialty (2005 - Present)

Teaching Experience

  • POPH 8310L Population Health Statistics I
  • POPH 8320L Population Health Statistics II
  • POPH 8900 Problems in Population Health: Introduction to Epidemiology
  • POPH 6160 Special Problems in Food Animal Medicine: Clinical Study Design
  • POPH 6250 Directed Studies in Food Animal Clinical Research

Courses Taught as Team Instructor

  • POPH 6230 Problems in Epidemiology and Statistics
  • IDIS 8010 Advanced Topics in Infectious Diseases

Selected Publications

Publications by Dr. Berghaus are found on PubMed.

  • Doyle D, Credille B, Lehenbauer T, Berghaus R, Aly S, Champagne J, Blanchard P, Crossley B, Berghaus L, Cochran S, Woolums A. The agreement among four sampling methods used to identify viral and bacterial respiratory pathogens in dairy calves with acute bovine respiratory disease (BRD). J Vet Internal Med 2017; (In Press).
  • Snyder E, Credille B, Berghaus R, Giguere S. Prevalence of multi drug antimicrobial resistance in Mannheimia haemolytica isolated from high-risk stocker cattle at arrival and two weeks after processing. J Animal Sci 2017; 95(3):1124-1131. doi:10.2527/jas.2016.1110.
  • Poulson RL, Tompkins SM, Berghaus RD, Brown JD, Stallknecht DE. Environmental stability of swine and human pandemic influenza viruses in water under variable conditions of temperature, salinity, and pH. Applied Environ Microbiol 2016; 82(13):3721-3726. doi:10.1128/AEM.00133-16.
  • Heins BD, Nydam DV, Woolums AR, Berghaus RD, Overton MW. Comparative efficacy of enrofloxacin and tulathromycin for treatment of preweaning respiratory disease in dairy heifers. J Dairy Sci 2014; 97(1):3720382. Doi:103168/jds.2013-6696.
  • Berghaus RD, Thayer SG, Law BF, Mild RM, Hofacre CL, Singer RS. Enumeration of Salmonella and Campylobacter in environmental farm samples and processing plant carcass rinses from commercial broiler chicken flocks. Applied Environ Microbiol 2013; 79(13):4106-14. doi: 10.1128/AEM.00836-13.
  • Woolums AR, Berghaus RD, Smith DR, White BJ, Engelken TJ, Irsik MB, Matlick DK, Jones AL, Ellis RW, Smith IJ, Mason GL, Waggoner ER. A producer survey of herd-level risk factors for nursing beef calf respiratory disease. J Am Vet Med Assoc 2013; 243(4):538-547. doi: 10.2460/javma.243.4.538.
  • Berghaus RD, Mathis DL, Bramwell RK, Macklin KS, Wilson JL, Wineland MJ, Maurer JJ, Lee MD. Multi-level analysis of environmental Salmonella prevalences and management practices on 49 broiler breeder farms in four southeastern states, U.S.A. Zoonoses Public Health 2012; 59:365-374. doi: 10.1111/j.1863-2378.2012.01464.x.

Book Chapters

  • Berghaus RD and Stewart-Brown B. Public health significance of poultry diseases. In: Diseases of Poultry, 13th ed. Wiley-Blackwell, Ames, Iowa. 2013.