Seasonality of reproduction in sheep (Q56209434)

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Reproductive photorefractoriness in rams and accompanying changes in the patterns of melatonin and prolactin secretion

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Effects of pinealectomy on the secretion of luteinizing hormone, testosterone and prolactin in rams exposed to various lighting régimes

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Seasonal changes of gonadotropin-releasing hormone secretion in the ewe

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

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

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Hamster Refractoriness: The Role of Insensitivity of Pineal Target Tissues

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Nightly duration of pineal melatonin secretion determines the reproductive response to inhibitory day length in the ewe.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

The distribution of melatonin binding sites in neuroendocrine tissues of the ewe.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Pineal melatonin mediates photoperiodic control of pulsatile luteinizing hormone secretion in the ewe.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Effect of nutrition on the balance of production of ovarian and pituitary hormones in ewes.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Seasonal prolactin secretion and its role in seasonal reproduction: a review

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Thyroxine is permissive to seasonal transitions in reproductive neuroendocrine activity in the ewe

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Melatonin binding sites in the sheep pars tuberalis

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Regulation of seasonal reproductive activity in the stallion, ram and hamster

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Radioimmunoassay for ovine luteinizing hormone. Secretion of luteinizing hormone during estrus and following estrogen administration in sheep.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Effect of Controlled Environment on the Reproductive Performance of Ewes

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Mammalian photoperiodic system: formal properties and neuroendocrine mechanisms of photoperiodic time measurement

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Alterations in the control of luteinizing hormone pulse frequency underlie the seasonal variation in estradiol negative feedback in the ewe.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Progesterone levels following treatment of seasonally anoestrous ewes with synthetic LH-releasing hormone

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Distribution of estrogen receptor-immunoreactive cells in the preoptic area of the ewe: co-localization with glutamic acid decarboxylase but not luteinizing hormone-releasing hormone.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Long-term rhythms of testicular volume and plasma prolactin concentrations in rams reared for 3 years in constant photoperiod

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

The Growth of the Follicle and Corpus Luteum in the Ovary of the Sheep

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Changes in LH pulse frequency and serum progesterone concentrations during the transition to breeding season in ewes

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Persistence of a circannual rhythm of plasma prolactin concentrations in ewes exposed to a constant equatorial photoperiod.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Continuous exposure of Suffolk ewes to an equatorial photoperiod disrupts expression of the annual breeding season.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Effect of frontal hypothalamic deafferentation on duration of breeding season and melatonin secretion in the ewe.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Prolactin levels and duration of postpartum anoestrus in lactating ewes

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Feedback basis of seasonal breeding: test of an hypothesis

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Melatonin and photorefractoriness: loss of response to the melatonin signal leads to seasonal reproductive transitions in the ewe.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Steroid feedback inhibition of pulsatile secretion of gonadotropin-releasing hormone in the ewe

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Circannual cycles of luteinizing hormone and prolactin secretion in ewes during prolonged exposure to a fixed photoperiod: evidence for an endogenous reproductive rhythm

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Seasonal changes in gonadotropin-releasing hormone secretion in the ewe: alteration in response to the negative feedback action of estradiol

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Effects of pinealectomy, oestradiol and melatonin on plasma prolactin and LH secretion in ovariectomized sheep.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

A quantitative study of genetic differences in the incidence of oestrus, ovulation and plasma luteinizing hormone concentration in the sheep

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Neuroendocrine Regulation of the Estrous Cycle and Seasonal Breeding in the Ewe

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Photoperiodic control of seasonal breeding in ewes: modulation of the negative feedback action of estradiol

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Importance of retinal photoreceptors to the photoperiodic control of seasonal breeding in the ewe.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

The photoneuroendocrine control of seasonal breeding in the ewe

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

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 Secretion12

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

The GnRH system of seasonal breeders: anatomy and plasticity.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Photoperiodic control of seasonal breeding in the ram: participation of the cranial sympathetic nervous system

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Effects of placing micro-implants of melatonin in the pars tuberalis, pars distalis and the lateral septum of the forebrain on the secretion of FSH and prolactin, and testicular size in rams

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

The relationship between sexual and aggressive behaviour, and pituitary and testicular activity during the seasonal sexual cycle of rams, and the influence of photoperiod

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Reproductive effects of placing micro-implants of melatonin in the mediobasal hypothalamus and preoptic area in rams

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Long-term reproductive cycles in rams after pinealectomy or superior cervical ganglionectomy

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Seasonal cycles in the blood plasma concentration of FSH, inhibin and testosterone, and testicular size in rams of wild, feral and domesticated breeds of sheep

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Changes in photoperiod and nutrition and their effect on testicular growth of rams

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Effect of Suckling on Postpartum Anestrus in Ewes Lambing in Different Seasons of the Year

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

A role for short days in sustaining seasonal reproductive activity in the ewe.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Reproductive refractoriness of the ewe to inductive photoperiod is not caused by inappropriate secretion of melatonin.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Reproductive refractoriness of the ewe to inhibitory photoperiod is not caused by alteration of the circadian secretion of melatonin

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Importance of changing photoperiod and melatonin secretory pattern in determining the length of the breeding season in the Suffolk ewe

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Regulation of the onset of the breeding season of the ewe: importance of long days and of an endogenous reproductive rhythm

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Short-day effects of melatonin on luteinizing hormone secretion in the ewe: evidence for central sites of action in the mediobasal hypothalamus.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Evidence that melatonin binding sites in the pars tuberalis do not mediate the photoperiodic actions of melatonin on LH and prolactin secretion in ewes

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

The Ovine Pars Tuberalis does not Appear to be Targeted by Melatonin to Modulate Luteinizing Hormone Secretion, but may be Important for Prolactin Release

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Factors affecting the secretion of luteinizing hormone in the ewe

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Response of seasonally anoestrous ewes to small-dose multiple injections of Gn-RH with and without progesterone pretreatment

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Induction of ovulation and normal luteal function by pulsed injections of luteinizing hormone in anestrous ewes

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Role of photorefractoriness in onset of anoestrus in Rambouillet x Dorset ewes

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Melatonin receptors on ovine pars tuberalis: characterization and autoradiographicai localization

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Reproductive refractoriness in the Welsh Mountain ewe induced by a short photoperiod can be overridden by exposure to a shorter photoperiod

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Seasonality of reproduction in sheep and its control by photoperiod.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Overfeeding during early pregnancy reduces peripheral progesterone concentration and pregnancy rate in sheep

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Photoperiodic control of LH release in the ram. I. Influence of increasing and decreasing light photoperiods

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Effect of season and lactation on postpartum fertility of Polypay, Dorset, St. Croix and Targhee ewes

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Abnormalities in the seasonal course of oestrous cycles in ewes after lesions of the suprachiasmatic area of the hypothalamus

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Onset of Seasonal Anestrus in the Ewe2

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Refractoriness to inductive day lengths terminates the breeding season of the Suffolk ewe.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Photoperiodic history and a changing melatonin pattern can determine the neuroendocrine response of the ewe to daylength

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Seasonal changes in pulsatile luteinizing hormone (LH) secretion in the ewe: relationship of frequency of LH pulses to day length and response to estradiol negative feedback

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Refractoriness to inhibitory day lengths initiates the breeding season of the Suffolk ewe.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Levels of luteinizing hormone in sera and pituitaries of ewes during the estrous cycle and anestrus.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Radioimmunoassay of Serum Concentrations of Melatonin in Sheep Exposed to Different Lighting Regimens

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

The ‘ram effect’ as a way of modifying the reproductive activity in the ewe

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Pulsatile release of luteinizing hormone and the secretion of ovarian steroids in sheep during anestrus

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Seasonal changes in sexual activity and serum levels of LH and testosterone in Finnish Landrace and Suffolk rams

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Disruption of reproductive rhythms and patterns of melatonin and prolactin secretion following bilateral lesions of the suprachiasmatic nuclei in the ewe.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

The effect of lactation on the resumption of reproductive activity and the preOVULATORY RELEASE OF LH in Finn x Dorset ewes

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Absence of oestradiol concentration in cell nuclei of LHRH-immunoreactive neurones

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Function of abnormal corpora lutea in vivo after GnRH-induced ovulation in the anoestrous ewe

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Follicular dynamics and ovarian steroid secretion in sheep during the follicular and early luteal phases of the estrous cycle

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Characterization and mapping of melatonin receptors in the brain of three mammalian species: rabbit, horse and sheep. A comparative in vitro binding study.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Effects of breed, ovarian steroids and season on the pulsatile secretion of LH in ovariectomized ewes

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Negative feedback regulation of the secretion and actions of gonadotropin-releasing hormone in males

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Regulation of luteinizing hormone-releasing hormone (LHRH) secretion by melatonin in the ewe. I. Simultaneous delayed increase in LHRH and luteinizing hormone pulsatile secretion

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Changes in concentrations of follicle-stimulating hormone, luteinizing hormone, prolactin and progesterone in the plasma of ewes during the transition from anoestrus to breeding activity

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Abrupt decrease in daylength and short-term changes in the plasma concentrations of FSH, LH and prolactin in anoestrous ewes

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

How does melatonin code for day length in the ewe: duration of nocturnal melatonin release or coincidence of melatonin with a light-entrained sensitive period?

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Social cues can play a role in timing onset of the breeding season of the ewe

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Synchronization of the circannual reproductive rhythm of the ewe by discrete photoperiodic signals

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Does seasonal reproductive state affect the neuroendocrine response of the ewe to a long-day pattern of melatonin?

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Photoperiodic synchronization of a circannual reproductive rhythm in sheep: identification of season-specific time cues.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Evidence that the onset of the breeding season in the ewe may be independent of decreasing plasma prolactin concentrations.

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Luteinizing hormone, oestrogen and progesterone levels in peripheral serum of anoestrous and cyclic ewes as determined by radioimmunoassay

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021

Release of LH in anoestrous and cyclic ewes

1 reference

https://api.crossref.org/works/10.1016%2FS0921-4488%2803%2900038-5

7 January 2021