Works (61)

2014 journal article

Overcompensation of circulating and local insulin-like growth factor-1 during catch-up growth in hybrid striped bass (Morone chrysops Chi Morone saxatilis) following temperature and feeding manipulations

Aquaculture, 428, 174–183.

By: M. Picha, P. Biga, N. Galt, A. McGinty, K. Gross, V. Hedgpeth, T. Siopes, R. Borski

Source: NC State University Libraries
Added: August 6, 2018

2013 journal article

Tuberal hypothalamic expression of the glial intermediate filaments, glial fibrillary acidic protein and vimentin across the turkey hen (Meleagris gallopavo) reproductive cycle: Further evidence for a role of glial structural plasticity in seasonal reprod

General and Comparative Endocrinology, 193, 141–148.

By: M. Steinman, A. Valenzuela, T. Siopes & J. Millam

Source: NC State University Libraries
Added: August 6, 2018

2010 journal article

Initiating egg production in turkey breeder hens: Thyroid hormone involvement

Poultry Science, 89(10), 2265–2272.

By: T. Siopes, J. Millam & M. Steinman

Source: NC State University Libraries
Added: August 6, 2018

2010 journal article

Initiation of egg production by turkey breeder hens: Sexual maturation and age at lighting

Poultry Science, 89(7), 1490–1496.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

2009 journal article

Exposure duration to long day lengths associated with the expression of photorefractoriness in turkey breeder hens

Poultry Science, 88(1), 191–198.

By: T. Siopes & J. Proudman

Source: NC State University Libraries
Added: August 6, 2018

2008 journal article

Diurnal variation in the cellular and humoral immune responses of Japanese quail: Role of melatonin

General and Comparative Endocrinology, 158(3), 245–249.

By: T. Siopes & H. Underwood

Source: NC State University Libraries
Added: August 6, 2018

2008 journal article

Photostimulated expression of type 2 iodothyronine deiodinase mRNA is greatly attenuated in the rostral tuberal Hypothalamus of the photorefractory turkey hen

Journal of Neuroendocrinology, 20(11), 1260–1269.

By: M. Steinman, S. Dinius, T. Siopes & J. Millam

Source: NC State University Libraries
Added: August 6, 2018

2007 journal article

Lighting for summer egg production by turkeys: day length and light intensity

Poultry Science, 86(11), 2413–2419.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

2006 journal article

Potential role of thyroid hormones and prolactin in the programming of photorefractoriness in turkey hens

Poultry Science, 85(8), 1457–1461.

By: J. Proudman & T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

2006 journal article

Time keeping by the quail's eye: Cireadian regulation of melatonin production

General and Comparative Endocrinology, 145(3), 232–236.

By: C. Steele, G. Tosini, T. Siopes & H. Underwood

Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Enhancement of cellular and humoral immunity following embryonic exposure to melatonin in turkeys (Meleagris gallopavo)

General and Comparative Endocrinology, 143(2), 178–183.

By: C. Moore & T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Spontaneous recovery of photosensitivity by turkey breeder hens given prolonged exposure to long day lengths

Poultry Science, 84(9), 1470–1476.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Thyroid hormone and prolactin profiles in male and female turkeys following photostimulation

Poultry Science, 84(6), 942–946.

By: J. Proudman & T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

Effect of a single short-term reduction in photoperiod on photorefractoriness in turkey hens

Poultry Science, 83(7), 1199–1202.

By: J. Proudman & T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

Spontaneous ovarian adenocarcinoma in the domestic turkey breeder hen (Meleagris gallopavo): Effects of photoperiod and melatonin

Neuroendocrinology Letters, 25(02-Jan), 94–101.

By: C. Moore & T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

Immune function in turkey breeder hens during the short day prelighting period and renewal of photosensitivity for egg production

Poultry Science, 82(1), 150–154.

By: C. Moore & T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

Melatonin enhances cellular and humoral immune responses in the Japanese quail (Coturnix coturnix japonica) via an opiatergic mechanism

General and Comparative Endocrinology, 131(3), 258–263.

By: C. Moore & T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

Ocular clocks are tightly coupled and act as pacemakers in the circadian system of Japanese quail

American Journal of Physiology, 284(1), R208–218.

By: C. Steele, B. Zivkovic, T. Siopes & H. Underwood

Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

Photoresponsiveness of turkey breeder hens changes during the egg-laying season: Relative and absolute photorefractoriness

Poultry Science, 82(6), 1042–1048.

By: T. Siopes & J. Proudman

Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

Photostimulated fos-like immunoreactivity in tuberal hypothalamus of photosensitive vs. photorefractory turkey hens

General and Comparative Endocrinology, 134(2), 175–181.

By: J. Millam, C. Craig-Veit & T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

Apposition of enkephalinergic axons with cGnRH I-containing perikarya in turkey hen brain

General and Comparative Endocrinology, 127(2), 128–135.

By: J. Millam, R. Wang, C. Craig-Veit & T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

Circulating thyroid hormone levels in recycled turkey breeder hens during a short day prelighting period and renewal of photosensitivity for egg production

Poultry Science, 81(9), 1342–1346.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

Effect of melatonin supplementation on the ontogeny of immunity in the Large White turkey poult

Poultry Science, 81(12), 1898–1903.

By: C. Moore & T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

Melatonin can produce immunoenhancement in Japanese quail (Coturnix coturnix japonica) without prior immunosuppression

General and Comparative Endocrinology, 129(2), 122–126.

By: C. Moore & T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

Photorefractoriness in turkey breeder hens is affected by age and season

Poultry Science, 81(5), 689–694.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

Pineal melatonin secretion, but not ocular melatonin secretion, is sufficient to maintain normal immune responses in Japanese quail (Coturnix coturnix japonica)

General and Comparative Endocrinology, 126(3), 352–358.

By: C. Moore, T. Siopes, C. Steele & H. Underwood

Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

Relative and absolute photorefractoriness in turkey hens: Profiles of prolactin, thyroxine, and triiodothyronine early in the reproductive cycle

Poultry Science, 81(8), 1218–1223.

By: J. Proudman & T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

2001 journal article

Temporal characteristics and incidence of photorefractoriness in turkey hens

Poultry Science, 80(1), 95–100.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Circadian ovulatory rhythms in Japanese quail: Role of ocular and extraocular pacemakers

Journal of Biological Rhythms, 15(2), 172–183.

By: B. Zivkovic, H. Underwood & T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Effects of lighting conditions and melatonin supplementation on the cellular and humoral immune responses in Japanese quail Coturnix coturnix japonica

General and Comparative Endocrinology, 119(1), 95–104.

By: C. Moore & T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

1999 journal article

A A survey and overview of lighting practices in the US turkey breeder industry

Journal of Applied Poultry Research, 8(4), 493–498.

By: J. Grimes & T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

1999 journal article

Ahemeral lighting of turkey breeder hens. 3. Temporary application and early age at lighting

Poultry Science, 78(3), 387–391.

By: T. Siopes & E. Neely

Source: NC State University Libraries
Added: August 6, 2018

1999 journal article

Effects of transient treatment with 6-N-propyl-2-thiouracil on testis development and function in breeder turkeys

Poultry Science, 78(7), 999–1005.

By: J. Knowlton, T. Siopes, M. Rhoads & J. Kirby

Source: NC State University Libraries
Added: August 6, 2018

1999 journal article

Improved effectiveness of artificial insemination of turkey hens associated with ahemeral light-dark cycles and age at photostimulation

Poultry Science, 78(6), 902–905.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

1999 journal article

Intermittent lighting increases egg weight and facilitates early photostimulation of turkey breeder hens

Poultry Science, 78(7), 1040–1043.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

1998 journal article

Absence of a seasonal effect on the critical day length for photorefractoriness in turkey breeder hens

Poultry Science, 77(1), 145–149.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

1997 journal article

Ahemeral lighting of turkey breeder hens. 1, Cycle length effects on egg production and egg characteristics

Poultry Science, 76(5), 761–766.

By: T. Siopes & E. Neely

Source: NC State University Libraries
Added: August 6, 2018

1997 journal article

Ahemeral lighting of turkey breeder hens. 2. Early age at lighting and reproductive performance

Poultry Science, 76(12), 1783–1788.

By: T. Siopes & E. Neely

Source: NC State University Libraries
Added: August 6, 2018

1997 journal article

Eye and gonad: Role in the dual-oscillator circadian system of female Japanese quail

American Journal of Physiology, 272(1 pt.2), R172–182.

By: H. Underwood, T. Siopes & K. Edmonds

Source: NC State University Libraries
Added: August 6, 2018

1997 journal article

Transient hypothyroidism reinitiates egg laying in turkey breeder hens: Termination of photorefractoriness by propylthiouracil

Poultry Science, 76(12), 1776–1782.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

1995 journal article

Incidence of prelay squatting behavior is not related to subsequent egg laying in turkey breeder hens

Poultry Science, 74(6), 1039.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

1995 journal article

Turkey breeder hen performance by strain during consecutive lay periods

Poultry Science, 74(8), 1269.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

1994 journal article

Critical day lengths for egg production and photorefractoriness in the domestic turkey

Poultry Science, 73(12), 1906.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

1993 journal article

Photoperiod and seasonal influences on the growth of turkey hens

British Poultry Science, 34(1), 43.

By: T. Siopes, G. Baughman & C. Parkhurst

Source: NC State University Libraries
Added: August 6, 2018

1992 journal article

Effect of light intensity level during prelay light restriction on subsequent reproductive performance of turkey breeder hens

Poultry Science, 71(6), 939.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

1992 journal article

Effects of age at lighting on reproduction of turkey hens

Poultry Science, 71(12), 2099.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

1991 journal article

Light intensity effects on reproductive performance of turkey breeder hens

Poultry Science, 70(10), 2049.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

1991 journal article

Light intensity for turkey breeder hens: Degree of darkness required during short-day light restriction and intensity threshold during photostimulation

Poultry Science, 70(6), 1333.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

1990 journal article

Effect of intermittent lighting on the reproductive performance of first-year and recycled turkey hens

Poultry Science, 69(1), 142.

By: T. Siopes & R. Pyrzak

Source: NC State University Libraries
Added: August 6, 2018

1989 journal article

Pineal and ocular influences on male and female turkeys: Plasma luteinizing hormone and prolactin levels during gonadal development

General and Comparative Endocrinology, 73(2), 284.

By: T. Siopes & M. El-Halawani

Source: NC State University Libraries
Added: August 6, 2018

1989 journal article

Prelay light restriction of turkey hens: Daylength versus exposure time

Poultry Science, 68(10), 1337.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

1989 journal article

Relationship between duration and intensity of environmental light on the growth performance of male turkeys

Poultry Science, 68(11), 1428.

By: T. Siopes, G. Baughman, C. Parkhurst & M. Timmons

Source: NC State University Libraries
Added: August 6, 2018

1986 journal article

Plasma prolactin and luteinizing hormone levels of pinealectomized and enucleated turkey hens

General and Comparative Endocrinology, 62(1), 36.

By: T. Siopes & M. El-Halawani

Source: NC State University Libraries
Added: August 6, 2018

1984 journal article

Recycling turkey hens with low light intensity

Poultry Science, 63(7), 1449.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

1984 journal article

The The effect of full-spectrum fluorescent lighting on reproductive traits of caged turkey hens

Poultry Science, 63(6), 1122.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

1984 journal article

The The effect of high and low intensity cool-white fluorescent lighting on the reproductive performance of turkey breeder hens

Poultry Science, 63(5), 920.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

1984 journal article

The The effect of ovariectomy on broodiness and plasma prolactin levels in turkey hens during a photo-induced reproductive cycle

Theriogenology, 22(4), 445.

By: T. Siopes & W. Burke

Source: NC State University Libraries
Added: August 6, 2018

1983 journal article

Effect of intermittent lighting on energy savings and semen characteristics of breeder tom turkeys

Poultry Science, 62(11), 2265.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

1983 journal article

Effect of pinealectomy on broodiness of turkey hens

Poultry Science, 62(11), 2245.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

1983 journal article

Persistency of broodiness in recycled turkey hens

Theriogenology, 20(5), 565.

By: T. Siopes

Source: NC State University Libraries
Added: August 6, 2018

1983 journal article

The The effect of light intensity on the growth performance of male turkeys

Poultry Science, 62(12), 2336.

By: T. Siopes, M. Timmons, G. Baughman & C. Parkhurst

Source: NC State University Libraries
Added: August 6, 2018