Nancy A. Dreschel

  • Associate Teaching Professor, Small Animal Science
  • Undergraduate Adviser
  • Adviser for the Small and Exotic Animals Club (SEAC)
Nancy A. Dreschel
312 Agricultural Sciences and Industries Building
University Park, PA 16802
Work Phone: 814-863-4197

Areas of Expertise

  • Companion Animal Science
  • Animal Behavior
  • Animal Welfare and Stress
  • Veterinary Medicine
  • Online teaching

Connect with Nancy A. Dreschel



  1. Ph.D., Biobehavioral Health, The Pennsylvania State University
  2. D.V.M., Cornell University, New York State College of Veterinary Medicine
  3. B.S., Animal Science, Cornell University


  • Animal Behavior, Working Dogs, Human-Animal Interactions
  • Veterinary Medicine
  • On-line teaching and learning

Classes Taught

  • An Sc 215 Pets in Society (On-line and Residence)
  • An Sc 305 Companion Animal Nutrition and Management
  • An Sc 415 Companion Animal Behavior 
  • An Sc 419W Applied Animal Welfare


  • Instructor, Department of Animal Science, Penn State University 2004- Present
  • Project Coordinator, Research Assistant, Teaching Assistant, Department of Biobehavioral Health, Penn State University  1999- 2004
  • Small Animal and Mixed Practice Veterinarian 1989- 2004

Selected Publications

  • Cobb, M., Iskandarani, K., Chinchilli, V., Dreschel, N.A. (2016) A systematic review and meta-analysis of salivary cortisol measurement in domestic canines.  Domestic Animal Endocrinology, 57: 31-42.

  • Dreschel, N.A., Granger, D.A. (2016) Advancing the Social Neuroscience of Human-Animal Interaction:The Role of Salivary Bioscience. In L. Freund, S. McCune, P. McCardle, L. Esposito, & N. Gee (Eds.).  Social Neuroscience and Human-Animal Interaction, Washington, DC: American Psychological Association.

  • Morrow, M., Ottobre, J., Ottobre, A., Neville, P., St-Pierre, N., Dreschel, N., Pate, J.L.  (2015) Breed-dependent differences in the onset of fear-related avoidance behavior in puppies. Journal of veterinary behavior, 10: 286-294.

  • Dreschel, N.A. The effects of fear and anxiety on health and lifespan in pet dogs. Applied Animal Behaviour Science, 125 (2010): 157-162.
  • Vanderman, K.S., Dreschel, N.A. , Swinker, A.M., Kniffen, D.M., Radharakrishna, R.B., Werner, J.R., Jedrzejewski, E.A.  Equine Veterinarians' and Health Care Professionals' Concerns Related to the Implementation of the National Equine Identification System. Journal of Equine Veterinary Science, 29 (2009): 823-827. 
  • Dreschel, N.A. & Granger, D.A. Methods of collection for salivary cortisol measurement in dogs. Hormones and Behavior, 55 (2009): 163-168.
  • Dreschel, N.A. & Granger, D.A. Physiological and behavioral reactivity to stress in thunderstorm-phobic dogs and their caregivers. Applied Animal Behaviour Science, 95 (2005): 153-168.
  • Hood, Kathryn E., Dreschel, Nancy A. , Granger, Douglas A.. Maternal Behavior Changes after Immune Challenge of Neonates with Developmental Effects on Adult Social Behavior. Developmental Psychobiology, 42 (2003):17-34.