Differences in reproductive pattern between wild and domestic rams are not associated with inter-specific annual variations in plasma prolactin and melatonin concentrations

Asher, 1999, Comparative reproductive function in cervids: implications for management of farm and zoo populations, J Reprod Fertil Suppl, 54, 143

Goeritz, 2003, Seasonal timing of sperm production in roe deer: interrelationship among changes in ejaculate parameters, morphology and function of testis and accessory glands, Theriogenology, 59, 1487, 10.1016/S0093-691X(02)01201-3

Hafez, 1952, Studies on the breeding season and reproduction of the ewe, J Agr Sci, 42, 189, 10.1017/S0021859600056896

Smith, 1992, Genetic parameter and performance of flocks selected for advanced lambing date, Proc N Zeal Soc Anim Prod, 52, 129

Lincoln, 1990, Correlation with changes in horns and pelage, but not reproduction, of seasonal cycles in the secretion of prolactin in rams of wild, feral and domesticated breeds of sheep, J Reprod Fertil, 90, 285, 10.1530/jrf.0.0900285

Malpaux, 1998, Evidence that melatonin acts in the pre-mammillary hypothalamic area to control reproduction in the ewe: presence of binding sites and stimulation of LH secretion by in situ microimplant delivery, Endocrinology, 139, 1508, 10.1210/endo.139.4.5879

Wayne, 1988, How melatonin code for day length in the ewe: duration of nocturnal melatonin release or coincidence of melatonin with a light-entrained sensitive period?, Biol Reprod, 39, 66, 10.1095/biolreprod39.1.66

Eloronta, 1992, Seasonal and daily patterns in melatonin secretion in female reindeer and their calves, Endocrinology, 130, 1645

Tedesco, 1992, Seasonal melatonin and luteinizing hormone rhythms in muskosen at 52°N, Rangifer, 12, 197, 10.7557/2.12.3.1045

García, 2003, Seasonal changes in melatonin concentrations in female Iberian red deer (Cervus elaphus hispanicus), J Pineal Res, 34, 161, 10.1034/j.1600-079X.2003.00022.x

Lincoln, 1995, Evidence that melatonin acts in the pituitary gland through a dopamine-independent mechanism to mediate effects of daylength on the secretion of prolactin in the ram, J Neuroendocrinol, 7, 637, 10.1111/j.1365-2826.1995.tb00802.x

Worthy, 1985, Evidence that the onset of the breeding season in the ewe may be independent of decreasing plasma prolactin concentrations, J Reprod Fertil, 75, 237, 10.1530/jrf.0.0750237

Regisford, 1993, Effects of bromocriptine-induced hypoprolactinaemia on gonadotropin secretion and testicular function in rams (Ovis aries) during two seasons, J Reprod Fertil, 99, 529, 10.1530/jrf.0.0990529

Regisford, 1994, Effects of bromocriptine treatment on the expression of sexual behavior in male sheep (Ovis aries), J Anim Sci, 72, 591, 10.2527/1994.723591x

Lincoln, 1996, Hamster-like cycles in testicular size in the absence of gonadotrophin secretion in HPD rams exposed to long-term changes in photoperiod and treatment with melatonin, J Neuroendocrinol, 8, 855, 10.1046/j.1365-2826.1996.05397.x

Ravautl, 1977, Effect of 2-bromo-α-ergocryptine (CB 154) on plasma prolactin, LH and testosterone levels, accessory reproductive glands and spermatogenesis in lambs during puberty, Biol Reprod, 17, 192, 10.1095/biolreprod17.2.192

Tripathi, 1988, Acid phosphatase activity and fresh tissue weights of accessory sex organs in adult male rats following pituitary transplantation, Indian J Physiol Pharmacol, 32, 271

Ohlson, 1981, Use of active immunization against prolactin to study the influence of prolactin on growth and reproduction in the ram, J Anim Sci, 52, 1350, 10.2527/jas1981.5261350x

Santiago-Moreno, 2000, Seasonal changes in ovulatory activity, plasma prolactin and melatonin concentration in Mouflon (Ovis gmelini musimon) and Manchega (Ovis aries) ewes, Reprod Nutr Dev, 40, 421, 10.1051/rnd:2000109

Pelletier, 1982, Seasonal variation in LH and testosterone release in rams of two breeds, J Reprod Fertil, 64, 341, 10.1530/jrf.0.0640341

Gómez-Brunet, 1991, Effect of season on plasma concentrations of prolactin and cortisol in pregnant, non-pregnant and lactating ewes, Anim Reprod Sci, 26, 251, 10.1016/0378-4320(91)90051-Z

Fraser, 1983, Direct radioimmunoassay for melatonin in plasma, Clin Chem, 29, 396, 10.1093/clinchem/29.2.396

Tillet, 1986, Conditions d’utilisation d’anticorps spécifiques pour la visualisatin immunohistochimique de la sérotonine et de la mélatonine dans la glande pinéale deu mouton, CR Acad Sci Paris, 303, 77

D’Occhio, 1984, Profiles of luteinizing hormone, follicle-stimulating hormone, testosterone and prolactin in rams of diverse breeds: effects of contrasting short (8L:16D) and long (16L:8D) photoperiods, Biol Reprod, 30, 1039, 10.1095/biolreprod30.5.1039

Poulton, 1987, The response of rams and ewes of three breeds to artificial photoperiod, J Reprod Fertil, 79, 609, 10.1530/jrf.0.0790609

Curlewis, 1992, Seasonal prolactin secretion and its role in seasonal reproductive: a review, Reprod Fert Dev, 4, 1, 10.1071/RD9920001

Fisher, 1981, Effects of cranial cervical ganglionectomy and castration of male lambs. I. Influence on longitudinal endocrine profiles and growth, Theriogenology, 16, 607, 10.1016/0093-691X(81)90023-6

Nonomura, 1985, Effects of hyperprolactinaemia on reproduction in male mice, J Endocrinol, 107, 71, 10.1677/joe.0.1070071

Keenan, 1981, Interaction between prolactin and androgens in the accessory sex organs of male mice, J Endocrinol, 90, 323, 10.1677/joe.0.0900323

Arunakaran, 1993, Effects of prolactin and androgens on enzymes of carbohydrate metabolism in seminal vesicles of castrated mature bonnet monkeys, Macaca radiata, Biochem Mol Biol Int, 31, 211

Gómez-Brunet, 2000, Evidence of an endogenous circannual reproductive rhythm in female Mouflon (Ovis gmelini musimon) reared under a constant photoperiod

Lincoln, 1998, Reproductive seasonality and maturation throughout the complete life-cycle in the mouflon ram (Ovis musimon), Anim Reprod Sci, 53, 87, 10.1016/S0378-4320(98)00129-8

Gosch, 1989, Seasonal changes of testis volume and sperm quality in adult fallow deer (Dama dama) and their relationship to the antler cycle, J Reprod Fertil, 85, 7, 10.1530/jrf.0.0850007

McLachlan, 1996, The endocrine regulation of spermatogenesis: independent roles for testosterone and FSH, J Endocrinol, 148, 1, 10.1677/joe.0.1480001

Luke, 1994, The male sex accessory tissues. Structure, androgen action, and physiology, 1435

Wislocki, 1949, Seasonal changes in the testes, epididymis and seminal vesicles of deer investigated by histochemical methods, Endocrinology, 44, 167, 10.1210/endo-44-2-167

Chapman, 1979, Seasonal changes in the male accessory glands of reproduction in adult fallow deer Dama dama, J Zool, 189, 259, 10.1111/j.1469-7998.1979.tb03962.x

González-López, 1995, Caracterización del control reproductivo en la oveja Merina, vol. 41

González-López, 1993, La reproducción en la oveja Merina. Caracterización de su fisiología, vol. 28