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Jori K. Leszczynski, DVM

Director for the Office of Laboratory Animal Resources, University Veterinarian and Associate Professor


  • BS, Food Science and Nutrition, The Ohio State University (1995)
  • DVM, Doctor of Veterinary Medicine, The Ohio State University (1999)

Postdoctoral Education:

  • Fellowship, Laboratory Animal Medicine, University of Illinois at Chicago (2002)

Research Activities

  • Consultation and collaboration for animal models and model development
  • Animal Facility Management


  • Leszczynski, J.K., D.G. Danahey, K.T. Ferrer, T.A. Hewett, J.D. Fortman.  Primary Hyperparathyroidism in an Adult Female Olive Baboon (Papio anubis).  Comparative Medicine 2002 Dec; 52(6); pages 563-567
  • Leszczynski, J.K., K.A. Esser.  The MEF2 site is necessary for induction of the myosin light chain 2 slow promoter in overloaded regenerating plantaris muscle.  Life Sciences 2003 Nov; 73(25); 3265-3276.
  • Hornberger T.A., T.J. McLoughlin, J.K. Leszczynski, D.D. Armstrong, R.R. Jameson, P.E. Bowen, E.S. Hwang, H. Hou, M.E. Moustafa, B.A. Carlson, D.L. Hatfield, A.M. Diamond and K.A. Esser.  Selenoprotein-Deficient Transgenic Mice Exhibit Enhanced Exercise-Induced Muscle Growth.  Journal of Nutrition 2003 Oct; 133(10); 3091-3097.
  • Lieggi, C.C., J.E. Artwohl, J.K. Leszczynski, N.A. Rodriguez, B.L. Fickbohm, J.D. Fortman.  Efficacy and Safety of Stored and Prepared Tribromoehtanol in ICR Mice.  Contemporary Topics in Laboratory Animal Science.  2005 Jan; 44(1); 17-22.
  • Golkowski, M, C. Golkowski, J.K. Leszczynski, S.R. Plimpton, P. Maslowski. A. Foltynowicz-Mtyba, J.Ye, and B. McCollister.  Hydrogen Peroxide Enhanced Nonthermal Plasma Effluent for Biomedical Applications. IEEE Transactions on Plasma Science.  2012 Aug; 40(8): 1984-1991
  • Leszczynski, J.K., M. Wallace, J. Tackett, U. Jiron, J. Collins, C. Warder, L. Richardson, L. Bell, C. Russell.  Shutting Down a Working Vivarium for Decontamination.  Lab Animal.  2014 July; 43(8); 283-290.
  • Manuel, C.A., U. Pugazhenthi, J.K. Leszczynski.  Corynebacterium bovis Surveillance of a Ventilated Rack System by Sampling Exhaust Air Manifolds. Journal of the American Association for Laboratory Animal Science. 2016 January; 55(1); 58-65.
  • Kennedy, B.W., J. Zynda, R. Hoglund, J.K. Leszczynski, E. Hildebrand, J. Cox.  Global Warming and the Sustainable Vivarium.  ALN Magazine.  2017 Feb.​
  • ​Kennedy, B.W., J. Zynda, R. Hoglund, J.K. Leszczynski, E. Hildebrand, J. Cox.  Energy Savings in Laboratory Animal Facilities.  ALN Magazine.  2017 Mar.
  • Manuel, C.A., S.M. Bagby, J.A. Reisinger, U. Pugazhenthi, T.M. Pitts, S.B. Keysar, J.J. Arcaroli, J.K. Leszczynski.  Procedure for Horizontal Transfer of Patient-Derived Xenograft Tumors to Eliminate Corynebacterium bovisJournal of the American Association for Laboratory Animal Science.  2017 March; 56(2); 166-172.​
  • Manuel, C.A., U. Pugazhenthi, S.P. Spiegel, J.K. Leszczynski.  Detection and Elimination of Corynebacterium bovis from Barrier Rooms by Using an Environmental Sampling Surveillance Program.  Journal of the American Association for Laboratory Animal Science.  2017 March; 56(2); 202-209.

Office Location:

 Research Center 2



 Office Phone:


(303) 724-3987

(303) 724-2327

Mailing Address:

 University of Colorado Anschutz Medical Campus

 12800 East 19th Avenue

 Mailstop 8312

 Aurora, CO 80045​