Profile

• Associate Professor, Veterinary Diagnostic and Production Animal Medicine, Iowa State University College of Veterinary Medicine

Education

• Doctor of Veterinary Medicine, 1997, Iowa State University
• Masters of Science, Agricultural Economics, 1990, Iowa State University

Selected Professional and Academic Associations:

• American Association of Swine Veterinarians (AASV), PRRS Task Force Committee, 2012-present
• AASV, Subcommittee to develop a position description for Director of Swine Health Programs (DSHP), 2010-2011
• AASV, Communications Committee, 2006-present
• AASV, PADRAP Advisory Committee, 2008-present
• AASV, PRRS herd classification and definitions committee, 2009
• AASV, North American PRRS Eradication Task Force, Ex Officio, 2006-2007
• American Veterinary Medical Association (AVMA)
• Agricultural and Applied Economics Association (Formerly American Agricultural Economics Association) (AAEA)
• Iowa Veterinary Medical Association (IVMA), Iowa Veterinary Political Action Committee 2012-present
• IVMA, Legislative Committee 2006-present
• IVMA, I Vet PAC Auction Committee 2008
• United States Animal Health Association (USAHA)
• Iowa Pork Producers Association (IPPA)
• Iowa Farm Animal Care (IFAC) evaluation team

Selected Peer-Reviewed Publications:


• Holtkamp D.J., Lin H., Wang C, Polson D.D. 2013. Evaluation of an objective risk scoring system for assessing the likelihood of virus introduction in porcine reproductive and respiratory syndrome virus-free breed-to-wean sow herds in the U.S. Open Journal of Veterinary Medicine. 3 168-175.
• Holtkamp D.J., Kliebenstein J.B., Neumann E.J., Zimmerman J.J., Rotto H., Yoder T.K., Wang C., Yeske P., Mowrer C. Haley C. 2013. Assessment of the economic impact of porcine reproductive and respiratory syndrome virus on United States pork producers. J. Swine Health Prod. 21:2 72-84.
• Lin H., Wang C., Liu P., Holtkamp D.J. 2012. Construction of disease risk scoring systems using logistic group lasso: application to porcine reproductive and respiratory syndrome survey data, J. Appl. Stat. 40:4, 736-746. doi:10.1080/02664763.2012.752449.
• Bottoms K., Poljak Z., Dewey C., Deardon R., Holtkamp D.J., Friendship R. 2012. Investigation of strategies for the introduction and transportation of replacement gilts on southern Ontario sow farms. BMC Vet. Res. 8:217. doi:10.1186/1746-6148-8-217.
• Bottoms K., Poljak Z., Dewey C., Deardon R., Holtkamp D.J., Friendship R. 2012. Evaluation of external biosecurity practices on southern Ontario sow farms. Prev. Vet. Med. 109:1-2, 58-68. http://dx.doi.org/10.1016/j.prevetmed.2012.08.013.
• Holtkamp D.J., Lin H., Wang C., O’Connor A. 2012. Classifying herds according to whether they reported clinical PRRS outbreaks in the previous 3 years using data collected by the community of veterinarians who are members of the American Association of Swine Veterinarians. Prev. Vet. Med. 106:1, 42–52.
• Holtkamp D.J., Polson D.D., Torremorell M. and committee members Morrison B. (chair), Classen D.M., Becton L., Henry S., Rodibaugh M.T., Rowland R.R., Snelson H., Straw B., Yeske P., Zimmerman J. 2011. Terminology for classifying swine herds by PRRS virus status. J. Swine Health Prod. 19:1 44-56.
• Holtkamp D.J., Yeske P.E., Polson D.D., Melody J.L., Philips R.C. 2010. A prospective cohort study evaluating duration of breeding herd PRRS virus-free status and its relationship with measured risk. Prev. Vet. Med. 96:3-4 186-193. doi:10.1016/j.prevetmed.2010.06.016.
• Hurd S., Vaughn, M., Holtkamp D.J., Dickson, J., Warnick, L. 2010. Quantitative risk from fluoroquinolone-resistant Salmonella and Campylobacter due to treatment of dairy heifers with enrofloxacin for bovine respiratory disease. Foodborne Pathog. Dis. 7:11 1305-1322. doi:10.1089/fpd.2010.0550.