Serum concentrations of melatonin in prepubertal or postpubertal gilts exposed to artificial lighting or sunlight

Theriogenology

Volumn 47, Issue 4, 1997, Pages 923-928

  Diekman, M A ^a   Green, M L ^a,b  

^a PURDUE UNIVERSITY   (United States)

^b UNIVERSITY OF FLORIDA   (United States)

Author keywords

Gilt; Lighting; Melatonin; Postpubertal; Prepubertal

Indexed keywords

MELATONIN;

ANIMAL EXPERIMENT; ARTICLE; CIRCADIAN RHYTHM; ESTRUS CYCLE; GONADOTROPIN RELEASE; HORMONAL REGULATION; HORMONE BLOOD LEVEL; HORMONE RELEASE; ILLUMINATION; LIGHT DARK CYCLE; LIGHT EXPOSURE; NONHUMAN; PHOTOPERIODICITY; PINEAL BODY; PUBERTY; SUNLIGHT; SWINE;

EID: 0031422583     PISSN: 0093691X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0093-691X(97)00047-2     Document Type: Article

References (22)

1. Arendt J, Laud CA, Symons AM, Pryde SJ. Plasma melatonin in ewes after ovariectomy. J Reprod Fertil 1983; 68:213-218.
2. Arendt J, Symons AM, Laud CA. Pineal function in sheep: Evidence for a possible mechanism mediating reproductive activity. Experientia 1981; 37:584-586.
3. Brainard GC, Richardson BA, King TS, Matthews SA, Reiter RJ. The suppression of pineal melatonin content and N-acetyltransferase activity by different light irradiances in the Syrian hamster: A dose-response relationship. Endocrinology 1982; 113:293-296.
4. Diekman MA ,Brandt KE, Green ML, Clapper JA, Malayer JR. Lack of a nocturnal rise of serum melatonin in prepubertal gilts. Dom Anim Endocrinol 1992; 9:161-167.
5. Diekman MA, Hoagland TA. Influence of supplemental lighting during periods of increasing or decreasing daylength on the onset of puberty in gilts. J Anim Sci 1983; 57:1235-1242.
6. Gill JL, Hafs HD. Analysis of repeated measures. J Anim Sci 1971; 33:331-336.
7. Green ML, Clapper JA, Andres CJ, Diekman MA. Serum concentrations of melatonin in prepubertal gilts exposed to either constant or stepwise biweekly alteration in scotophase. Dom Anim Endocrinol 1996; 13:307-323.
8. Green ML, Clapper JA, Diekman MA. Photophase and scotophase concentrations of melatonin in 3, 4, 5 and 6 month old gilts and barrows. Biol Reprod 1993; 48:67 abstr.
9. Griffin MK, Minton JE. Effect of light intensity on circadian profiles of melatonin, prolactin, ACTH and cortisol in pigs. J Anim Sci 1992; 70:492-498.
10. Lewy AJ, Wehr TA, Goodwin FK, Newsome DA, Markey SP. Light suppresses melatonin secretion in humans. Science 1980; 210:1267-1269.
11. McConnell SJ, Ellendorff F. Absence of nocturnal plasma melatonin surge under long and short artificial photoperiods in the domestic sow. J Pineal Res 1987; 4:201-210.
12. Minton JE, Cash WC. Effect of cranial sympathectomy on circadian rhythms of cortisol, adrenocortropic hormone and melatonin in boars. J Anim Sci 1990; 68:4277-4284.
13. Minton JE, Davis DL, Stevenson JS. Contribution of the photoperiod to circadian variations in serum cortisol and melatonin in boars. Dom Anim Endocrinol 1989; 6:177-181.
14. Parke ES, Rollag MD, Reiter RJ. Pineal melatonin concentrations in the Syrian hamster. Endocrinology 1979; 104:194-197.
15. Paterson AM, Martin GB, Foldes A, Maxwell CA, Pearce GP. Concentrations of plasma melatonin and luteinizing hormone in domestic gilts reared under artificial long or short days. J Reprod Fertil 1992; 94:85-95.
16. Reiter RJ, Hurlbut EC, Richardson BA, King TS, Wang LC. Studies on the regulation of pineal melatonin production in the Richardson's ground squirrel (Spermophilus richardsonii). In: Reiter, RJ (ed), The Pineal and Its Hormones. New York, Boca Raton 1982; 57-65.
17. Reiter RJ, King TS, Richardson BA, Hurlbut EC, Karasek MA, Hansen JT. Failure of room light to inhibit pineal N-acetyltransferase activity and melatonin content in a diurnal species, the Eastern chipmunk (Tamia striatus). Neuroendocr Letters 1982; 4:1-6.
18. Rollag MD, Niswender GD. Radioimmunoassay of serum concentrations of melatonin in sheep exposed to different lighting regimens. Endocrinology 1976; 98:482-489.
19. Rollag MD, O'Callahan PL, Niswender GD. Serum melatonin concentrations during different stages of the annual reproductive cycle in ewes. Biol Reprod 1978; 18:279-285.
20. Rollag MD, Welsh MG, Klein DC. Effect of acute light exposure upon melatonin content, NAT activity and nuclear volume in the gerbil pineal complex. J Pineal Res 1984; 1:339-347.
21. SAS Institute Inc. SAS User's Guide: Statistics, Version 5 edition. Cary, NC: SAS Institute Inc, 1985.
22. Tamarkin L, Reppert SM, Klein DC. Regulation of pineal melatonin in the Syrian hamster. Endocrinology 1979; 104:385-389.