Importance of photoperiodic signal quality to entrainment of the circannual reproductive rhythm of the ewe

Biology of Reproduction

Volumn 63, Issue 3, 2000, Pages 769-774

  Barrell, G K ^a   Thrun, L A ^a   Brown, M E ^a   Viguie, C ^a   Karsch, F J ^a  

^a UNIVERSITY OF MICHIGAN   (United States)

Author keywords

Anterior pituitary; Circadian rhythm; Estradiol; GnRH; Hypothalamus; LH; Melatonin; Pineal; Seasonal reproduction

Indexed keywords

ESTRADIOL; GONADORELIN; LUTEINIZING HORMONE; MELATONIN;

ADENOHYPOPHYSIS; ADOLESCENT; ARTICLE; FEMALE; HORMONE RELEASE; HYPOTHALAMUS; NEUROENDOCRINE SYSTEM; NONHUMAN; PHOTOPERIODICITY; PINEAL BODY; PRIORITY JOURNAL; REPRODUCTION; SEASONAL VARIATION; SHEEP;

EID: 0033847045     PISSN: 00063363     EISSN: None     Source Type: Journal    
DOI: 10.1095/biolreprod63.3.769     Document Type: Article

References (33)

1. Recurrent breeding seasons in pinealectomized or optic-nerve sectioned ferrets
2. Pineal gland influences period of circannual rhythms of ground squirrels
3. Photoperiodic synchronization of a circannual reproductive rhythm in sheep: Identification of season-specific time cues
4. Synchronization of the circannual reproductive rhythm of the ewe by discrete photoperiodic signals
5. Circadian systems: Entrainment
6. Photoperiod-induced phase-shifts of the endogenous clock controlling reproduction in the rainbow trout: A circannual phase-response curve
7. The endocrine control of seasonal reproductive function in the ewe: A marked change in response to the negative feedback action of estradiol on luteinizing hormone secretion
8. Seasonal changes in gonadotropin-releasing hormone secretion in the ewe: Alteration in response to the negative feedback action of estradiol
9. Total pinealectomy by an occipital parasagittal approach in sheep
10. Photoperiodic requirements for timing onset and duration of the breeding season of the ewe
11. How does melatonin code for daylength in the ewe: Duration of nocturnal melatonin release or coincidence of melatonin with a light-entrained sensitive period?
12. A new concept for the control of the estrous cycle of the ewe based on the temporal relationships between luteinizing hormone, estradiol and progesterone in peripheral serum and evidence that progesterone inhibits tonic LH secretion
13. Radioimmunologic studies with murine, ovine, and porcine luteinizing hormone
14. Radioimmunoassay for bovine and ovine luteinizing hormone
15. Reproductive refractoriness of the ewe to inductive photoperiod is not caused by inappropriate secretion of melatonin
16. An algorithm to identify changes in hormone patterns
17. Identification of aperiodic seasonality in non-Gaussian time series
18. Nightly duration of pineal melatonin secretion determines the reproductive response to inhibitory day length in the ewe
19. Importance of duration of nocturnal melatonin secretion in determining the reproductive response to inductive photoperiod in the ewe
20. Importance of changing photoperiod and melatonin secretory pattern in determining the length of the breeding season in the Suffolk ewe
21. A role for short days in sustaining seasonal reproductive activity in the ewe
22. Photoperiodic disruption of photorefractoriness in the ewe
23. Photoperiodism in the Japanese quail: The termination of seasonal breeding by photorefractoriness
24. Photoperiodic history and a changing melatonin pattern can determine the neuroendocrine response of the ewe to daylength
25. Photoperiodic effects on the Djungarian hamster
26. Circannual rhythms in birds: Their interaction with circadian rhythms and environmental photoperiod
27. Suprachiasmatic nucleus and photic entrainment of circannual rhythms in ground squirrels
28. Time of the sidereal year affects responsiveness to the phase-resetting effects of photoperiod in the ewe
29. Does seasonal reproductive state affect the neuroendocrine response of the ewe to a long-day pattern of melatonin?
30. Circannual rhythmicity in hibernating mammals
31. Long-term entrainment of circannual reproductive and metabolic cycles by Northern and Southern Hemisphere photoperiods in woodchucks (Marmota monax)