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

Poultry Science

Volumn 81, Issue 8, 2002, Pages 1218-1223

  Proudman, J A ^a   Siopes, T D ^b  

^a AGRICULTURAL RESEARCH SERVICE   (United States)

^b NORTH CAROLINA STATE UNIVERSITY   (United States)

Author keywords

Photorefractoriness; Prolactin; Thyroid hormone; Turkey

Indexed keywords

AVES; MELEAGRIS GALLOPAVO;

LIOTHYRONINE; LUTEINIZING HORMONE; PROLACTIN; THYROXINE;

ANIMAL; ARTICLE; BLOOD; FEMALE; OVARY; PHOTOPERIODICITY; PHYSIOLOGY; RADIATION EXPOSURE; REPRODUCTION; SEASON; TURKEY (BIRD);

ANIMALS; FEMALE; LUTEINIZING HORMONE; OVARY; PHOTOPERIOD; PROLACTIN; REPRODUCTION; SEASONS; THYROXINE; TRIIODOTHYRONINE; TURKEYS;

EID: 0036675389     PISSN: 00325791     EISSN: None     Source Type: Journal    
DOI: 10.1093/ps/81.8.1218     Document Type: Article

References (21)

1. Bacon, W. L., and J. Y. Long. 1996. Secretion of luteinizing hormone during a forced molt in turkey hens. Poult. Sci. 75:1579-1586.
2. Bentley, G. E. 1997. Thyroxine and photorefractoriness in starlings. Poult. Avian Biol. Rev. 8:123-139.
3. Bentley, G. E., A. Dawson, and A. R. Goldsmith. 2000. Lack of gonadotrophin-releasing hormone (GnRH) neuron response to decreasing photoperiod in thyroidectomized male starlings (Sturnus vulgaris). J. Exp. Zool. 287:74-79.
4. Bentley, G. E., A. R. Goldsmith, A. Dawson, L. M. Glennie, R. T. Talbot, and P. J. Sharp. 1997. Photorefractoriness in European starlings (Sturnus vulgaris) is not dependent upon the long-day-induced rise in plasma thyroxine. Gen. Comp. Endocrinol. 107:428-438.
5. Dawson, A., and A. R. Goldsmith. 1983. Plasma prolactin and gonadotrophins during gonadal development and the onset of photorefractoriness in male and female starlings (Sturnus vulgaris) on artificial photoperiods. J. Endocrinol. 97:253-260.
6. Dawson, A., V. M. King, G. E. Bentley, and G. F. Ball. 2001. Photoperiodic control of seasonality in birds. J. Biol. Rhythms 16:365-380.
7. El Halawani, M. E., and I. Rozenboim. 1993. The ontogeny and control of incubation behavior in turkeys. Poult. Sci. 72:906-911.
8. El Halawani, M. E., J. L. Silsby, I. Rozenboim, and G. R. Pitts. 1995. Increased egg production by active immunization against vasoactive intestinal peptide in the turkey (Meleagris gallopavo). Biol. Reprod. 52:179-183.
9. El Halawani, M. E., S. E. Whiting, J. L. Silsby, G. R. Pitts, and Y. Chaiseha. 2000. Active immunization with vasoactive intestinal peptide in turkey hens. Poult. Sci. 79:349-354.
10. Follett, B. K., and T. J. Nicholls. 1984. Photorefractoriness in Japanese quail: Possible involvement of the thyroid gland. J. Exp. Zool. 232:573-580.
11. Lien, R. J., and T. D. Siopes. 1989. Turkey plasma thyroid hormone and prolactin concentrations throughout an egg laying cycle and in relation to photorefractoriness. Poult. Sci. 68:1409-1417.
12. Nicholls, T. J., A. R. Goldsmith, and A. Dawson. 1988. Photorefractoriness in birds and in comparison with mammals. Physiol. Rev. 68:133-176.
13. Proudman, J. A. 1998. Circulating prolactin levels at the end of the photophase and the end of the scotophase throughout the reproductive cycle of the turkey hen. Poult. Sci. 77:303-308.
14. Proudman, J. A., and H. Opel. 1981. Turkey prolactin: Validation of a radioimmunoassay and measurement of changes associated with broodiness. Biol. Reprod. 25:573-580.
15. SAS Institute Inc. 1990. SAS STAT User's Guide Release 6.08. SAS Institute, Inc., Cary, NC.
16. Sharp, P. J. 1993. Photoperiodic control of reproduction in the domestic hen. Poult. Sci. 72:897-905.
17. Sharp, P. J. 1996. Strategies in avian breeding cycles. Anim. Reprod. Sci. 42:505-512.
18. Siopes, T. 1997. Transient hypothyroidism reinitiates egg laying in turkey breeder hens: Termination of photorefractoriness by propylthiouracil. Poult. Sci. 76:1776-1782.
19. Siopes, T. D. 2001. Temporal characteristics and incidence of photorefractoriness in turkey hens. Poult. Sci. 80:95-100.
20. Wilson, F. E. 2001. A test of the hypothesis that T3 is the "seasonally" thyroid hormone in American tree sparrows (Spizella arborea): Intracerebroventricular infusion of iopanoic acid, an inhibitor of T3 synthesis and degradation. J. Comp. Physiol. 171:113-119.
21. Wilson, F. E., and B. D. Reinert. 2000. Thyroid hormone acts centrally to programme photostimulated male American tree sparrows (Spizella arborea) for vernal and autumnal components of seasonality. J. Neuroendocrinol. 12:87-95.