PhD (2005) Kansas State University College of Veterinary Medicine
DVM (1996) Iowa State University College of Veterinary Medicine
BS (1991) Iowa State University College of Agriculture
Diagnostic Medicine, Area Regional Disease Control, Swine Production Medicine
- American Association of Swine Veterinarians - Howard Dunne Memorial Award, 2017
- Iowa Pork Congress Award for Honorary Master Pork Producer, 2014
- Alpha Gamma Rho (Iowa State University) Alumni Achievement Award, 2012
- Allen D Leman Science in Practice Award, 2008
- National Pork Producer Award for Innovative Research, 2003
Professor and Director of Operations (Feb 2009 - Present)
- Provides leadership, direction, and management for ISU VDL.
- ISU VDL consists of a team of approximately 25 faculty and 135 technical staff processing more than 90,000 diagnostic case submissions each year.
AAVLD, AASV, IVMA
Rotolo M, Main R, Zimmerman J. 2018. Herd-level infectious disease surveillance of livestock populations using aggregate samples. Animal Health Research Reviews. 19(1):53-64.
Bjustrom-Kraft J, Christopher-Hennings J, Daly R, Main R, Torrison J, Thurn M, Zimmerman J. 2018. The use of oral fluid diagnostics in swine medicine. Journal of Swine Health and Production. 26(5):262-269.
Bjustrom-Kraft J, Woodard K, Giménez-Lirola L, Setness B, Ji J, Lasley P, Nelson E, Zhang J, Baum D, Gauger P, Main R, Zimmerman J. 2018. Serum and mammary secretion antibody responses in porcine epidemic diarrhea-immune gilts following porcine epidemic diarrhea vaccination. Journal of Swine Health and Production. 26(1):34-40.
Weiser A, Poonsuk K, Bade S, Gauger P, Rotolo M, Harmon K, Gonzalez W, Wang C, Main R, Zimmerman J. 2018. Effects of sample handling on the detection of porcine reproductive and respiratory syndrome virus in oral fluids by reverse-transcription real-time PCR. Journal of Veterinary Diagnostic Investigation. 30(6):807-812.
Rotolo M, Giménez-Lirola L, Ji J, Magtoto R, Henao-Diaz Y, Wang C, Baum D, Harmon K, Main R, Zimmerman J. 2017. Detection of porcine reproductive and respiratory syndrome virus (PRRSV)-specific IgM-IgA in oral fluid samples reveals PRRSV infection in the presence of maternal antibody. Veterinary Microbiology. 214:13-20.
Zhang J, Zheng Y, Xia X, Chen Q, Bade S, Yoon K, Harmon K, Gauger P, Main R, Li G. 2017. Whole sequencing of porcine reproductive and respiratory syndrome virus from cell culture isolates and clinical samples using next-generation sequencing technology. Journal of Veterinary Diagnostic Investigation. 29(1):41-50. doi: 10.1177/1040638716673404.
Rotolo M, Sun Y, Wang C, Giménez-Lirola L, Baum D, Gauger P, Harmon K, Hoogland M, Main R, Zimmerman J. 2017. Sampling guidelines for oral fluid-based surveys of group-housed animals. Veterinary Microbiology. 209:20-29.
Madson D, Magstadt D, Arruda P, Hoang H, Sun D, Bower L, Bhandari M, Burrough E, Gauger P, Pillatzki A, Stevenson G, Wilberts B, Brodie J, Harmon K, Wang C, Main R, 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(1-2):60-68.
Li G, Chen Q, Harmon K, Yoon KJ, Schwartz K, Hoogland M, Gauger P, Main R, Zhang J. 2014. Full-length genome sequence of porcine deltacoronavirus strain USA/IA/2014/8734 from the United States. Genome Announcement. 2(2):00278-14.
Lowe J, Gauger P, Harmon K, Zhang J, Connor J, Yeske P, Loula T, Levis I, Dufresne L, Main R. 2014. The role of harvest plant lairage and transportation in propagating the initial stages of an outbreak of porcine epidemic diarrhea virus in the United States in 2013. Emerging Infectious Diseases. 20(5):872-874.
Chen Q, Li G, Stasko J, Thomas J, Stensland W, Pillatzki A, Gauger P, Schwartz K, Madson D, Yoon KJ, Stevenson G, Burrough E, Harmon K, Main R, Zhang J. 2014. Isolation and characterization of porcine epidemic diarrhea viruses associated with 2013 disease outbreak in US swine. Journal of Clinical Microbiology. 52(1):234-243.
Jones C, Madson D, Main R, Gabler N, Patience J. 2014. Poor weaning transition ADG in pigs is not correlated with pathological or immunological markers of enteric disease during a PRRSV outbreak. Journal of Animal Science. 92(6):2568-2577.
White D, Rotolo M, Olsen C, Wang C, Prickett J, Kittawornrat A, Panyasing Y, Main R, Rademacher C, Hoogland M, Zimmerman J. 2014. Recommendations for pen-based oral fluid collection in growing pigs. Journal of Swine Health Production. 22(3):138–141.
Pepin B, Kittawornrat A, Liu F, Gauger P, Harmon K, Abate S, Main R, Garton C, Hargrove J, Rademacher C, Ramirez A and Zimmerman J. 2013. Comparison of specimens for detection of porcine reproductive and respiratory syndrome virus infection in boar studs. Transboundary and Emerging Diseases. 10.1111/12135.
Olsen C, Wang C, Christopher-Hennings J, Doolittle K, Harmon K, Abate S, Kittawornrat A, Lizano S, Main R, Nelson E, Otterson T, Panyasing Y, Rademacher C, Rauh R, Shah R, Zimmerman J. 2013. Probability of detecting PRRSV infection using pen-based swine oral fluid specimens as a function of within-pen prevalence. Journal of Veterinary Diagnostic Investigation. 25:328-335.