Janz, David


David Janz

Department of Veterinary Biomedical Sciences
Western College of Veterinary Medicine
52 Campus Drive
Saskatoon, Saskatchewan, Canada
S7N 5B4

Phone: (306) 966-7434

Email: david.janz@usask.ca

Academic Degrees

B.Sc. (Simon Fraser), M.Sc. (Trent), Ph.D. (British Columbia)

Current Teaching

  • TOX 300.3  General Principles of Toxicology
  • TOX 412.3  Toxicology of Industrial Pollutants
  • TOX 842.3  Biochemical Toxicology
  • VBMS 323.3  Basic Principles of Pharmacology (pharmacokinetics section)

Current and Recent Research Projects

  • Development of techniques to determine long term stress in wildlife
  • Endogenous and exogenous factors influencing gonadal development in fish
  • Aquatic ecotoxicology of selenium in native fish species
  • Noninvasive approaches to evaluate effects of environmental stressors


Janz, D.M. 2011. Selenium. Pp. 327-374 In: C.W. Wood, A.P. Farrell and C.J. Brauner (Eds.) Fish Physiology Vol 31A, Homeostasis and Toxicology of Essential Metals. Elsevier, San Diego, CA.

Janz, D.M., D.K. DeForest, M.L. Brooks, P.M. Chapman, G. Gilron, D. Hoff, W.D. Hopkins, D.O. McIntyre, C.A. Mebane, V.P. Palace, J.P. Skorupa and M. Wayland. 2010. Selenium toxicity to aquatic organisms. Pp. 141-231 In: P.M. Chapman, W.J. Adams, M.L. Brooks, C.G. Delos, S.N. Luoma, W.A. Maher, H.M. Ohlendorf, T.S. Presser and D.P. Shaw (Eds.) Ecological Assessment of Selenium in the Aquatic Environment. CRC Press, Boca Raton, FL.

Phibbs, J., E. Franz, D. Hauck, M. Gallego, J.J. Tse, I.J. Pickering, K. Liber and D.M. Janz. 2011. Evaluating the trophic transfer of selenium in aquatic ecosystems using caged fish, X-ray absorption spectroscopy and stable isotope analysis. Ecotoxicology and Environmental Safety74: 1855-1863.

Driedger, K.L.F., L.P. Weber, I.K. Birtwell and D.M. Janz. 2011. Growth, condition and energy stores of Arctic grayling fry inhabiting natural and artificial constructed Arctic tundra streams. Limnologica 41: 63-69.

Ashley, N.T., P.S. Barboza, B.J. Macbeth, D.M. Janz, M.R.L. Cattet, R.K. Booth and S.K. Wasser. 2011. Glucocorticosteroid concentrations in feces and hair of captive caribou and reindeer following adrenocorticotropic hormone challenge. General and Comparative Endocrinology172: 382-391.

Thomas, J.K. and D.M. Janz. 2011. Dietary selenomethionine exposure in adult zebrafish alters swimming performance, energetics and the physiological stress response. Aquatic Toxicology 102: 79-86.

Wiseman, S., Thomas, J.K., McPhee, L., Hursky, O., Raine, J.C., Pietrock, M., Giesy, J.P., Hecker, M. and Janz, D.M. 2011. Attenuation of the cortisol response to stress in female rainbow trout chronically exposed to dietary selenomethionine. Aquatic Toxicology 105: 643-651.

Macbeth, B.J., H.D. Frimer and D.M. Janz. 2011. Use of portable ultrasonography to determine ovary size and fecundity non-lethally in northern pike (Esox lucius) and white sucker (Catostomus commersoni). Water Quality Research Journal of Canada 46: 43-51.

Macbeth, B.J., M.R.L. Cattet, G.B. Stenhouse, M.L. Gibeau and D.M. Janz. 2010. Hair cortisol concentration as a noninvasive measure of long-term stress in free-ranging grizzly bears (Ursus arctos): Considerations and implications for other wildlife. Canadian Journal of Zoology88: 935-949.

Driedger, K., L.P. Weber, C.J. Rickwood, M.G. Dube and D.M. Janz. 2010. Growth and energy stores on juvenile fathead minnows exposed to metal mine waste water in simulated winter and summer conditions. Ecotoxicology and Environmental Safety 73: 727-734.