Robert (Bob) L. Larson

larson

Professor, Production Medicine

Edgar E. and M. Elizabeth Coleman Chair Food Animal Production Medicine
Executive Director, Veterinary Medical Continuing Education

DVM, PhD, DACT, DACVPM (Epidemiology), ACAN

Phone: 785-532-5700
E-mail: rlarson@vet.k-state.edu

Education

  • Bachelor of Science: Kansas State University
  • DVM: Kansas State University
  • PhD: Kansas State University

Board Certification

  • American College of Theriogenology
  • American College of Veterinary Preventive Medicine – Epidemiology specialty
  • American College of Animal Nutrition

Teaching

  • Reproduction (Theriogenology) (3rd year)
  • Advanced Beef Production Medicine (4th year)
  • Advanced Cow-Calf Production Management (4th year)
  • Advanced Rural Food Animal Business Management (4th year)
  • Veterinary Epidemiology (1st year)
  • Practical Use and Interpretation of Veterinary Scientific Literature (1st year)
  • Introduction to Epidemiology (graduate)
  • Design and Interpretation of Production Livestock Field Trials (graduate)
  • Applied Production Medicine (graduate)

Research/Clinical

  • Integration of animal health, production efficiency, and economic considerations in beef cattle production.

Selected Publications

T.H. Fountain, R.L. Larson, B.J. White. Scrotal circumference at weaning in beef bulls and subsequent ability to pass a breeding soundness examination as a yearling. Bovine Practitioner 54(2)126-129, 2021.

B.J. White, R.L. Larson. Impact of bovine respiratory disease in beef cattle. Animal Health Research Reviews 1-3, 2021. https://doi.org/10/1017/S1466252320000079

R.L. Larson. Postpartum anestrus of beef cows: importance and evaluation. Clinical Theriogenology 12:241-244, 2020.

A.M. O'Connor, D. Hu, S.C. Totton, N. Scott, C.B. Winder, B. Wang, C. Wang, J. Glanville, H. Wood, B. White, R. Larson, J.M. Sargeant. A systematic review and network meta-analysis of bacterial and viral vaccines, administered at or near arrival at the feedlot, for control of bovine respiratory disease in beef cattle. Animal Health Research Reviews, 20:143-162, 2019. doi:10.1017/S1466252319000288

G.P. Harhay, D.M. Harhay, J.L. Bono, T.P.L. Smith, S.F. Capik, K.D. DeDonder, M.D. Apley, B.V. Lubbers, B.J. White, R.L. Larson. Closed genomes and antibiograms of 16 Pasteurella multocida isolates from bovine respiratory disease cases and controls. Microbial Resource Announcements. 7:1-3, 2018. DOI: 10.1128/MRA.00976-18

J.D. Monday, R.L. Larson, M.E. Theurer, B.J. White, S. Tucker. Factors associated with passing subsequent Breeding Soundness Evaluations after failing an initial evaluation in yearling bulls. J Am Vet Med Assoc 253:1617-1622, 2018. DOI: org/10.2460/javma.253.12.1617

D.E. Amrine, J.G. McLellan, B.J. White, R.L. Larson, D.G. Renter, M.W. Sanderson. Evaluation of three classification models to predict risk class of cattle cohorts developing bovine respiratory disease within the first 14 days on feed using arrival and/or pre-arrival information. Computers and Electronics in Agriculture 156:439-446, 2019. DOI: org/10.1016/j.compag.2018.11.035

D.D. Shane, J.G. McLellan, B.J. White, R.L. Larson, D.E. Amrine, M.W. Sanderson, M.D. Apley. Evaluation of animal-to-animal and community contact structures determined by real time location systems for correlation to and prediction of new bovine respiratory disease diagnoses in feedlot cattle during the first 28 days on feed. Am J Vet Res 79:1277-1286, 2018. DOI: org/10.2460/ajvr.79.12.1277

B.J. White, D.E. Amrine, R.L. Larson. Big data analytics and precision animal agriculture: Data to decisions. J Anim Sci 96:1531-1539, 2018 doi: org/10.1093/jas/skx065

J.D. Monday, R.L. Larson, S. Laflin, B.J. White, M.E. Theurer. Determining potential pregnancy status differences based on a new method of yearling heifer prebreeding examination. Theriogenology 105:164-168, 2018 doi: 10.1016/j.theriogenology.2017.09.026

G.P. Harhay, D.M. Harhay, J.L. Bono, T.P.L. Smith, S.F. Capik, K.D. DeDonder, M.D. Apley, B.V. Lubbers, B.J. White, R.L. Larson. Closed genome sequence of seven Histophilus somni isolates from beef calves with bovine respiratory disease. Genome Announcements 5(40), 2017 doi: 10.1128/genomeA.01099-17.

D.D. Shane, R.L. Larson, M.W. Sanderson, M. Miesner, B.J. White. A deterministic, dynamic systems model of cow-calf production: The effects of breeding heifers before mature cows over a 10 year horizon. J Anim Sci 95:4533-4532, 2017. doi: 10.2527/jas2017.1653.

E.M. Unruh, M.E. Theurer, B.J. White, R.L. Larson, J.S. Drouillard. Evaluation of infrared thermography as a diagnostic tool to predict heat stress events in feedlot cattle. Am J Vet Res 78:771-777, 2017. doi:10.2460/ajvr.78.7.771

K.M. Abell, M.E. Theurer, R.L. Larson, B.J. White, D.K. Hardin, R.F. Randle. Predicting bull behavior events in a multiple-sire pasture with classification algorithms. Computers and Electronics in Ag 136:221-227, 2017. doi.org/10.1016/j.compag.2017.01.030

D.D. Shane, R.L. Larson, M.W. Sanderson, M. Miesner, B.J. White. A deterministic, dynamic systems model of cow-calf production: The effects of the duration of postpartum anestrus on production parameters over a 10 year horizon. J Anim Sci 95:1680-1695, 2017. doi:10.2527/jas2016.0972

K.M. Abell, M.E. Theurer, R.L. Larson, B.J. White, D. Hardin, R. Randle, R. Cushman. Calving distributions of individual bulls in multiple-sire pastures. Theriogenology 93:7-11, 2017. http://dx.doi.org/10.1016/j.theriogenology.2017.01.010

K.M. Abell, M.E. Theurer, B.J. White, R.L. Larson, M.A. Apley. A mixed treatment comparison meta-analysis of metaphylaxis treatments for bovine respiratory disease in beef cattle. J Anim Sci 95:626-635, 2017. http://doi:10.2527/jas2016.1062

S.F. Capik, B.J. White, B.V. Lubbers, M.D. Apley, K.D. DeDonder, R.L. Larson, G.P. Harhay, C.G. Chitko-McKown, D.M. Harhay, T.S. Kalbfleisch G. Schuller, M.L. Clawson. Comparison of the diagnostic performance of nasopharyngeal swabs and bronchoalveolar lavages in calves diagnosed with bovine respiratory disease. Am J Vet Res 78:350-358, 2017. doi: 10.2460/ajvr.78.3.350