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Chronobiology International
The Journal of Biological and Medical Rhythm Research
Volume 4, 1987 - Issue 2
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Original Article

Circadian and Circahemidian Rhythms in Plasma Prolactin of the Ram: Seasonal Changes

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Pages 209-217 | Received 01 Jul 1986, Accepted 01 Oct 1986, Published online: 07 Jul 2009

References

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  • Ravault J. P., Ortavant R. Light control of prolactin in sheep. Evidence for a photo-inducible phase during diurnal rhythm. Ann Biol Anim Bioch Biophys 1977; 17: 1–16
  • Fisher M. W., Lapwood K. R. Effects of cranial cervical ganglionectomy and castration of male lambs. II. 24 hour plasma profiles of luteinizing hormone, testosterone and prolactin. Theriogenology 1982; 17: 255–271
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  • Lincoln G. A., Almeida O. F. X., Klandorf H., Cunningham R. A. Hourly fluctuations in the blood levels of melatonin, prolactin, luteinizing hormone, follicle stimulating hormone, testosterone, tri-iodothyronine, thyroxine and Cortisol in rams under artificial photoperiods and the effects of cranial sympathectomy. J Endocr 1982; 92: 237–250
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  • Ravault J. P. Prolactin in the ram: seasonal variations in the concentration of blood plasma from birth until three years old. Acta Endocrinologica 1976; 83: 720–725
  • Alberio R. Rôle de la photopériode dans le développement de la fonction de reproduction chez l'agneau “Ile-de-France” de la naissance à 21 mois. University of Paris VI. 1976; 1–57, Thèse Doct 3ème cycle
  • Pelletier J., Brieu V., Ravault J. P. Entrainement et stimulation par la lumière de la sécrétion de la prolactine chez le bélier. Compt Rend Acad Sci 1985; 31: 323–328
  • Chemineau P., Ravault J. P. Variations horaires de la température rectale et de la prolactinémie chez le “cabri Créole” maintenu à l'extérieur en milieu tropical. Reprod Nutr Dévelop, 24(I)71–80

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