Daniel C L Linhares

Associate Professor
Director of Graduate Education
Office: 515-294-9358 Mobile: 515-357-1044
2221 Lloyd

Research website: www.fieldepi.org

Education & Certifications  

2013, PhD, Veterinary Population Medicine. University of Minnesota, Minneapolis, USA
2007, Master in Business Administration (MBA). Fundação Getúlio Vargas, Uberlandia, Brazil
2003, Doctor of Veterinary Medicine Degree (DVM). Universidade Federal de Goiás. Goiania, Brazil


Prepare graduate students to understand the big picture of production animal industry challenges and opportunities. Encourage graduate students to develop independent, critical thinking skills, guiding them to focus on the solution and to think of possible ways to positively impact the industry using applied science.

VDPAM 560X - Ecology of Infectious Diseases, instructor-in-charge
VDPAM 487 - Livestock Disease Prevention, Field Epidemiology and Causal inference lectures
VDPAM 414 - Veterinary Practice Entrepreneurship, Strategic Planning lecture
VDPAM 445 - Production Animal Clinical Medicine, Porcine reproductive and respiratory syndrome, and Senecavirus A and porcine epidemic diarrhea virus lectures

Research Focus & Interests  

Currently working with a team of 6 post-DVM graduate students working on “evaluatation of strategies to prevent, detect, and/or manage infectious diseases in swine populations under field conditions”.

Honors & Awards  

2019  ISU Award for Early Career Achievement in Research: this award is provided once/year to one tenured or tenure-track faculty with a Ph.D. of less than 9 years.

2018  ISU CVM Award for Early-Career Achievement in Research (with Gray Fellowship Fund): this award is provided to 1 ISU-CVM faculty per year.

2016  Respiratory Disease Research Award by Boehringer Ingelheim Vetmedica, Inc.: this award is given to up to 3 researchers per year.

2015  Distinguished Contribution Award by Agroceres PIC

2014  Distinguished PhD thesis, University of Minnesota

2012  Best Poster Award, Allen D Leman Swine Conference, Saint Paul, MN.

2009  Carlos Pijoan Fellowship, University of Minnesota

2003  CNPq Fellowship, Universidade Federal de Goias, research project on swine production

2002  CNPq Fellowship, Universidade Federal de Goias, research project on veterinary virology

2001  CNPq Fellowship, Universidade Federal de Goias, research project on veterinary virology


ISU Veterinary Diagnostic and Production Animal (VDPAM) Department

  • Director of Graduate Education (2015 to date)
  • (Chair) VDPAM Research and Graduate Studies Committee: September 2015 – to date
  • VDPAM Information technology committee: May 2016 – January 2019.
  • (Chair) VDPAM ad hoc committee for VDPAM PhD program: September 2016 – to date.
  • VDPAM Strategic Planning committee: April 2019 – to date.

ISU College of Veterinary Medicine (CVM)

  • Research Advisory Committee (RAC): July 2016 – to date.
  • Graduate Curriculum Committee: July 2017 – to date.

ISU Graduate College

  • (Chair) Graduate College Curriculum Committee: September 2017 – to date.

Non-ISU committees

  • Swine Health Information Center (SHIC)’s Monitoring and Analysis working group: October 2015 – to date.
  • American Association of Swine Veterinarians’ PRRS Task Force: March 2018 to date.

Editorial boards

  • Editorial board member for the Journal of Swine Health and Production: February 2018 to date.

Reviewer for scientific journals

Provided an average of 20 peer reviews per year since 2016 to multiple journals and funding agencies. 


American Association of Swine Veterinarians, Member since 2008.

Selected Publications  

Google Scholar Page

TREVISAN G, LINHARES LCM, CRIM B, DUBEY P, SCHWARTZ KJ, BURROUGH ER, MAIN RG, SUNDBERG P, THURN M, LAGES PTF, CORZO CA, TORRISON J, HENNINGSON J, HERRMAN E, HANZLICEK GA, RAGHAVAN R, MARTHALER D, GRESETH J, CLEMENT T, CHRISTOPHER-HENNINGS J, LINHARES DCL. Macroepidemiological aspects of porcine reproductive and respiratory syndrome virus detection by major United States veterinary diagnostic laboratories over time, age group, and specimen. Plos One. 2019 14(10):e0223544, 1-16

SILVA GSS, MACHADO G, BAKER KL, HOLTKAMP DJ, LINHARES DCL. Machine-learning algorithms to identify key biosecurity practices and factors associated with breeding herds reporting PRRS outbreak. Prev Vet Med. 2019; 171 [in press].

MOURA CAA, BAKER S, JOHNSON C, HOLTKAMP DJ, LINHARES DCL. Assessment of immediate production impact following attenuated PRRS type 2 virus vaccination in swine breeding herds. Porcine Health Management Journal. 2019; 5(13):1-6.

SILVA GS, YESKE P, MORRISON RB, LINHARES DCL. Benefit-cost analysis to estimate the payback time and the economic value of two Mycoplasma hyopneumoniae elimination methods in breeding herds. Preventive Veterinary Medicine. 2019; 168:95-102.

SILVA GS, LEOTTI VB, CASTRO SMJ, MEDEIROS AAR, SILVA APSP, LINHARES DCL, CORBELLINI LG. Assessment of biosecurity practices and development of a scoring system in swine farms using item response theory. Preventive Veterinary Medicine. 2019; 167:128-136.

ALMEIDA MN, ZIMMERMAN JJ, WANG C, LINHARES DCL.  Assessment of abattoir based monitoring of PRRSV using oral fluids. Preventive Veterinary Medicine.  2018; 158:137-145.

LOPEZ WA, ANGULO J, ZIMMERMAN JJ, LINHARES DCL. PRRS monitoring in breeding herds using processing fluids. Journal of Swine Health and Production. 2018; 26(3):146-150.

SILVA GS, SCHWARTZ M, MORRISON, RB, LINHARES DCL.  Monitoring breeding herd production data to detect PRRSV outbreaks. Preventive Veterinary Medicine. 2017; (148) 89-93.

LINHARES DCL, BETLACH C, MORRISON RB.  Effect of immunologic solutions on sows and gilts on time to stability, and production losses in breeding herds infected with 1-7-4 PRRSv. Preventive Veterinary Medicine. 2017; (144): 112-116.

LINHARES DCL, JOHNSON C, MORRISON RB. 2015. Economic analysis of vaccination strategies for PRRS control. PLOS One. 2015; 10(12):1-10.