Tom Siopes

Professor

tom_siopes@ncsu.edu
 

Educational Background:

  • B.A. Life Science, California State University, Sacramento
  • M.S. Physiology, University of California, Davis
  • Ph.D. Physiology, University of California, Davis

Teaching Interests:


Research Interests:

Environmental and reproductive physiology of birds with special emphasis on photophysiology, biological rhythms and endocrinology. Animal models include the Japanese quail and domestic turkey.


Representative Publications:

  • Moore, C. B. and T. D. Siopes, 2004. Spontaneous ovarian adenocarcinoma in the domestic turkey breeder hen (Meleagris gallapavo): Effects of photoperiod and melatonin. Neuroendocrinol. Lett. 25: 94-101.
  • Siopes, T. D. and J. A. Proudman, 2003. Photoresponsiveness of turkey breeder hens changes during the egg-laying season: relative and absolute photorefractoriness. Poultry Sci. 82: 1042-1048.
  • Moore, C. B. and T. D. Siopes, 2003. Melatonin enhances cellualar and humoral immune responses in the Japanese qual (Coturnix coturnix japonica) via an opiatergic mechanism. Gen. Com. Endocrinol. 131:258-263.
  • Millam, J.R., C.B. Craig-Veit, and T. D. Siopes, 2003. Photostimulated fos-like immunoreactivity in tuberal hypothalamus of photosensitive vs. photorefractory turkey hens. Gen. Comp. Endocrinol. 134: 175-181.
  • Siopes, T. D., 2002. Circulating thyroid hormone levels in recycled turkey breeder hens during a short day prelighting period and renewal of photosensitivity for egg production. Poultry Sci. 81: 1342-1346.
  • Siopes, T. D., 2002. Photorefractoriness in turkey breeder hens is affected by age and season. Poultry Sci. 81: 689-694.
  • Proudman, J.A. and T.D. Siopes, 2002. Relaive and absolute photorefractoriness in turkey hens: Profiles of rolactin, thyroxine, and triiodothyronine early in dthe reproductive period. Poultry Sci. 81: 1218-1223.
  • Siopes, T. D., 2001. Temporal characteristics and incidence of photorefractoriness in turkey hens. Poultry Sci. 80: 95-100.
  • Moore, C. B. and T. D. Siopes, 2000. Effects of lighting conditions and melatonin supplementation on the cellular and humoral immune responses in Japanese quail, Coturnix coturnix Japonica. Gen. Comp. Endocrinol. 119: 95-104.
  • Siopes, T. D., 2000. Temporal characteristics of photorefractoriness in turkey breeder hens. Poultry Sci. 80: 95-100.