Timothy Hazzard
OSU Campus
Department of Animal and Rangeland Sciences
304B Withycombe Hall
Corvallis, OR 97331
United States


DVM, Oregon State University, 2005

Post-Doctoral Fellow, Oregon National Primate Center, 1997-2001

Ph.D. Physiology, Oregon State University, 1997

B.S. Animal Science, Cornell University, 1991



  1. Fellows, E.J., Hazzard, T.M., Kutzler, M.A. Gene expression in pre-term, pre-labour and parturient canine placenta. Reprod Domest Anim. 47:Suppl 6:182-185, (2012).
  2. Sahlfeld, L., Hazzard, T., Kutzler, M. Cellular Characterisitics of cultured canine trophoblasts. Reprod Domest Anim. 47:Suppl 6:161-164, (2012).
  3. Gustafson, S.B., Fulkerson, P., Bildfell, R., Aguilera L., Hazzard, T.M. Chitosan dressing provides hemostasis in Swine femoral arterial injury model. Prehosp Emerg Care., 11:172-178, (2007).
  4. Hazzard, T.M., Xu, F., Stouffer, R.L. Injection of soluble vascular endothelial growth factor receptor 1 into the preovulatory follicle disrupts ovulation and subsequent luteal function in rhesus monkeys. Biol. Reprod. 67:1305-1312, (2002).
  5. Hazzard, T.M., Rohan, R.M., Molskness, T.A., Fanton J.W., D’Amato, R.J., and Stouffer, R.L. lnjection of antiangiogenic agents into the macaque preovulatory follicle: disruption of corpus luteum development and function. Endocrine. 17:199-206, (2000).
  6. Hazzard, T.M., Christenson, L.K., Stouffer, R.L. Changes in expression of vascular endothelial growth factor (VEGF), angiopoietin (Ang)-I and Ang-2 in the macaque corpus luteum during the menstrual cycle.  Mol. Hum. Reprod. 6:993-998. (2000).
  7. Hazzard, T.M., Molskness, T.A., Chaffin, C.L., Stouffer, R.L.  Vascular endothelial growth factor (VEGF) and angiopoietin regulation by gonadotropin and steroids in macaque granulosa cells during the periovulatory interval. Mol. Hum. Reprod. 5:1115-1121, (1999).
  8. Hazzard, T.M., Pinckard, K.L., Stormshak, F. Impact of chronic treatment of ewes with estradiol-17P or progesterone on oxytocin receptor gene transcription and ovarian oxytocin secretion. Biol. Reprod. 59:105-110, (1998).
  9. Hazzard, T.M., Stormshak, F. Down-regulation of oxytocin receptors and secretion of prostaglandin F2α after chronic treatment of ewes with l7B-estradiol. Biol, Reprod. 56:1576-1581, (1997).


  1. Hazzard, T.M.  Abnormal Estrus. IN: Clinical Veterinary Advisor: Dogs and Cats (Côté E, ed). Mosby Inc., St. Louis, MO, (2009).
  2. Hazzard, T.M.  Prolonged Estrus. IN: Clinical Veterinary Advisor: Dogs and Cats (Côté E, ed). Mosby Inc., St. Louis, MO, (2007).
  3. Hazzard, T.M.  Prolonged Anestrus. IN: Clinical Veterinary Advisor: Dogs and Cats (Côté E, ed). Mosby Inc., St. Louis, MO, (2007).
  4. Hazzard, T.M., Stouffer, R.L. Angiogenesis in ovarian follicular and luteal development. IN: Baillieres Clinical Obstetrics and Gynaecology (Arulkumaran S, ed). Harcourt: UK, (2000).
  5. Richard L. Stouffer, Diane M. Duffy, Timothy M. Hazzard, Theodore A. Molskness, Mary B. Zelinski-Wooten, Charles L. Chaffin. lntraovarian control of ovulation: Lessons from steroid ablation / replacement in monkeys. IN: Ovulation: Evolving Scientific and Clinical Concepts (Adashi El ed). Springer-Verlag: NY, (2000).