Drew Magstadt

Education & Certifications  
  • MS, Veterinary Microbiology, Iowa State University, 2015
  • DVM, Iowa State University (Cum Laude), 2011
  • BS, Zoology, North Dakota State University, 2005
  • VDPAM 455 - Diagnostic Laboratory Practicum (co-instructor in charge)
Research Focus & Interests  
  • Infectious disease in beef cattle
  • Antimicrobial resistance in bovine respiratory disease
  • Applied swine disease research
Honors & Awards  
  • C.L. Davis Foundation Student Scholarship Award in Veterinary Pathology, 2016
  • Iowa State University Wayne and Karen Freese Scholarship in Veterinary Microbiology, 2014-15
  • AABP/Zoetis Foundation Scholarship, 2010
  • AABP Amstutz Scholarship, 2009
  • VDPAM Curriculum Committee Member
  • Iowa Beef Industry Council Research Committee - Member
  • IVMA Power of Ten, 2014-2015
  • American Association of Bovine Practitioners
  • Academy of Veterinary Consultants
  • American Association of Veterinary Laboratory Diagnosticians
  • Iowa Veterinary Medical Association
  • American Veterinary Medical Association
  • North Dakota Stockmen’s Association
  • Iowa Cattlemen’s Association
Selected Publications  


Rahe MC, Magstadt DR, Groeltz-Thrush J, Gauger PG, Zhang J, Schwartz KJ, Siepker CL. 2022. Bovine coronavirus in the lower respiratory tract of cattle with respiratory disease. Journal of Veterinary Diagnostic Investigation. 34(3):482-488. doi: 10.1177/10406387221078583

Naberhaus S, Krull AC, Arruda B, Arruda P, Sahin O, Schwartz K, Burrough E, Magstadt DR, Matias Ferreyra F, Gatto IRH, Almeida HM, Wang C, Kreuder AJ. 2020. Pathogenicity and competitive fitness of Salmonella enterica serovar I 4,[5],12:i:- compared to Salmonella typhimurium and Salmonella derby in swine. Frontiers in Veterinary Science. 6:502. doi: 10.3389/fvets.2019.0050

Coetzee JF, Magstadt DR, Sidhu PK, Follett L, Schuler AM, Krull AC, Cooper VL, Engelken TJ, Kleinhenz MD, O’Connor AM. 2019. Association between antimicrobial drug class for treatment and retreatment of bovine respiratory disease (BRD) and frequency of resistant BRD pathogen isolation from veterinary diagnostic laboratory samples. PLoS ONE. 14(12): e0219104. doi: 10.1371/journal.pone.0219104

Lin Z, He C, Magstadt DR, Cooper VL, Kleinhenz MD, Smith J, Gorden P, Wulf LW, Coetzee JF. 2019. Tissue residue depletion and estimation of extralabel withdrawal intervals for tulathromycin in calves after pneumatic dart administration. Journal of Animal Science. 97:3714-3726. doi:10.1093/jas/sky231

Coetzee JF, Kleinhenz MD, Magstadt DR, Cooper VL, Wulf LW, Van Engen NK, Smith JS, Rand N, Kukanich B, Gorden PJ. 2018. Pneumatic dart delivery of tulathromycin in calves results in lower antimicrobial concentrations and increased biomarkers of stress and injection site inflammation compared to subcutaneous injection. Journal of Animal Science. 96:3089-3101. doi: 10.1093/jas/sky222

Magstadt DR, Schuler AM, Coetzee JF, Krull AC, O’Connor AM, Cooper VL, Engelken TJ. 2018. Treatment history and antimicrobial sensitivity results for Mannheimia haemolytica, Pasteurella multocida, and Histophilus somni isolates from bovine respiratory disease cases submitted to the Iowa State University Veterinary Diagnostic Laboratory from 2013-2015. Journal of Veterinary Diagnostic Investigation. 30(1):99-104. doi: 10.1177/1040638717737589

Arruda BL, Arruda PHE, Magstadt DR, Schwartz K, Dohlman T, Schleining J, Patterson A, Visek C, and Victoria J. 2016. Identification of a Divergent Lineage Porcine Pestivirus in Nursing Piglets with Congenital Tremors and Reproduction of Disease following Experimental Inoculation. PLoS ONE. 11(2):e0150104. doi: 10.1371/journal.pone.0150104

Thomas JT, Chen Q, Gauger PC, Giménez-Lirola LG, Sinha A, Harmon KM, Madson DM, Burrough ER, Magstadt DR, Salzbrenner HM, Welch MW, Yoon KJ, Zimmerman JJ, Zhang J. 2015. Effect of porcine epidemic diarrhea infectious dose on infection outcomes in naïve conventional neonatal and weaned pigs. PLoS ONE. 10(10):e0139266. doi: 10.1371/journal.pone.0139266

Chen Q, Gauger PC, Stafne M, Thomas J, Arruda PHE, Burrough ER, Madson DM, Brodie J, Magstadt DR, Derscheid R, Welch M, Zhang J. 2015. Pathogenicity and pathogenesis of a United States porcine deltacoronavirus cell culture isolate in 5-day-old neonatal piglets. Virology. 482:51-59. doi: 10.1016/j.virol.2015.03.024

Madson DM, Magstadt DR, Arruda PHE, Hoang H, Sun D, Labios L, Bhandari M, Burrough ER, Gauger PC, Pillatzki AE, Stevenson GW, Wilberts B, Brodie J, Harmon KM, Wang C, Main RG, Zhang J and Yoon KJ. 2014. Pathogenesis of porcine epidemic diarrhea virus isolate (US/Iowa/18984/2013) in 3-week-old weaned pigs. Veterinary Microbiology. 174:60-68. doi: 10.1016/j.vetmic.2014.09.002