G. L. Williams

发表

Reproduction Symposium: hypothalamic neuropeptides and the nutritional programming of puberty in heifers.

M. Amstalden, R. C. Cardoso, B. Alves, 2014, Journal of animal science.

Dynamics of GHRH in third-ventricle cerebrospinal fluid of cattle: relationship with serum concentrations of GH and responses to appetite-regulating peptides.

D. Keisler, M. Amstalden, G. L. Williams, 2009, Domestic animal endocrinology.

Hormonal and reproductive profiles of early postpartum beef heifers after prolactin suppression or steroid-induced luteal function.

G. L. Williams, D. E. Ray, 1980, Journal of animal science.

The voluntary intake and utilization of roughage-concentrate diets by sheep. 1. Concentrate supplements for hay and straw.

G. L. Williams, J. Crabtree, 1971 .

The voluntary intake and utilization of roughage-concentrate diets by sheep. 2. Barley and soya bean meal supplementation of hay diets.

G. L. Williams, J. Crabtree, 1971 .

Serum leptin and its adipose gene expression during pubertal development, the estrous cycle, and different seasons in cattle.

G. L. Williams, D. Keisler, M. Amstalden, 2002, Journal of animal science.

Gonadotropin-releasing hormone secretion into third-ventricle cerebrospinal fluid of cattle: correspondence with the tonic and surge release of luteinizing hormone and its tonic inhibition by suckling and neuropeptide Y.

L. Anderson, D. Keisler, G. L. Williams, 1998, Biology of reproduction.

Applied Reproductive Strategies in Beef Cattle

G. L. Williams, D. Forrest, D. Patterson, 2007 .

Ovarian follicular characteristics, embryo recovery, and embryo viability in heifers fed high-fat diets and treated with follicle-stimulating hormone.

G. L. Williams, D. Ryan, R. Spoon, 1992, Journal of animal science.

Induced prostaglandin release alters steroid concentrations but not pregnancy survival in cows.

R. C. Cardoso, G. L. Williams, R. Cooke, 2020, Domestic animal endocrinology.

Effects of leptin on basal and GHRH-stimulated GH secretion from the bovine adenohypophysis are dependent upon nutritional status.

M. Amstalden, G. L. Williams, J. Edwards, 2003, The Journal of endocrinology.

Reproductive seasonality in the mare: neuroendocrine basis and pharmacologic control.

M. Amstalden, R. C. Cardoso, G. L. Williams, 2012, Domestic animal endocrinology.

Maternal behavior and neuroendocrine regulation of suckling-mediated anovulation in cows.

G. L. Williams, M. K. Griffith, 1992, Journal of physiology and pharmacology : an official journal of the Polish Physiological Society.

Effects of leptin on gonadotropin-releasing hormone release from hypothalamic-infundibular explants and gonadotropin release from adenohypophyseal primary cell cultures: further evidence that fully nourished cattle are resistant to leptin.

R. Randel, M. Amstalden, G. L. Williams, 2004, Animal reproduction science.

Chronic administration of recombinant ovine leptin in growing beef heifers: effects on secretion of LH, metabolic hormones, and timing of puberty.

D. Keisler, M. Amstalden, G. L. Williams, 2004, Journal of animal science.

Leptin Acts at the Bovine Adenohypophysis to Enhance Basal and Gonadotropin-Releasing Hormone-Mediated Release of Luteinizing Hormone: Differential Effects Are Dependent upon Nutritional History1

M. Amstalden, G. L. Williams, J. Edwards, 2003, Biology of reproduction.

Leptin Acts at the Bovine Adenohypophysis to Enhance Basal and GnRH-Mediated Release of LH: Differential Effects Are Dependent Upon Nutritional History 1

G. L. Williams, 2003 .

Regulatory roles of leptin in reproduction and metabolism: a comparative review.

G. L. Williams, M. Amstalden, G. L. Williams, 2005, Domestic Animal Endocrinology.

Leptin and its role in the central regulation of reproduction in cattle.

D. Keisler, M. Amstalden, G. L. Williams, 2002, Domestic animal endocrinology.

Metabolic and luteal sequelae to heightened dietary fat intake in undernourished, anestrous beef cows induced to ovulate.

G. L. Williams, D. Ryan, M. K. Griffith, 1995, Journal of animal science.

Diet-induced hyperlipidemia in cattle modifies the intrafollicular cholesterol environment, modulates ovarian follicular dynamics, and hastens the onset of postpartum luteal activity.

G. L. Williams, T. Welsh, M. Wehrman, 1991, Biology of reproduction.

Patterns of tonic luteinizing hormone release and ovulation frequency in suckled anestrous beef cows following varying intervals of temporary weaning.

G. L. Williams, T. Shively, 1989, Domestic animal endocrinology.

Modulation of luteal activity in postpartum beef cows through changes in dietary lipid.

G. L. Williams, 1989, Journal of animal science.

Kisspeptin activates the hypothalamic-adenohypophyseal-gonadal axis in prepubertal ewe lambs.

M. Amstalden, G. L. Williams, A. Caraty, 2011, Reproduction.

Age at puberty, total fat and conjugated linoleic acid content of carcass, and circulating metabolic hormones in beef heifers fed a diet high in linoleic acid beginning at four months of age.

D. Keisler, M. Amstalden, G. L. Williams, 2003, Journal of animal science.

Interaction of dietary energy source and body weight gain during the juvenile period on metabolic endocrine status and age at puberty in beef heifers.

L. Tedeschi, D. Keisler, M. Amstalden, 2017, Journal of animal science.

Leptin as a nutritional signal regulating appetite and reproductive processes in seasonally-breeding ruminants.

G. L. Williams, D. Zieba, M. Szczesna, 2008, Journal of physiology and pharmacology : an official journal of the Polish Physiological Society.

Evaluation of vaginal electrical resistance as an indicator of follicular maturity and suitability for timed artificial insemination in beef cows subjected to a synchronization of ovulation protocol.

G. L. Williams, J. Cartmill, J. Zuluaga, 2008, Animal reproduction science.

Leptin Prevents Fasting-Mediated Reductions in Pulsatile Secretion of Luteinizing Hormone and Enhances Its Gonadotropin-Releasing Hormone-Mediated Release in Heifers1

D. Keisler, M. Amstalden, G. L. Williams, 2004, Biology of reproduction.

Central Infusion of Recombinant Ovine Leptin Normalizes Plasma Insulin and Stimulates a Novel Hypersecretion of Luteinizing Hormone after Short-Term Fasting in Mature Beef Cows1

D. Keisler, M. Amstalden, G. L. Williams, 2002, Biology of reproduction.

Uterine secretion of prostaglandin F2alpha stimulated by different doses of oxytocin and released spontaneously during luteolysis in cattle.

G. L. Williams, M. Bogacki, J. Kotwica, 1998, Reproduction, nutrition, development.

Gene expression in the arcuate nucleus of heifers is affected by controlled intake of high- and low-concentrate diets.

U. Braga-Neto, L. Tedeschi, D. Keisler, 2012, Journal of animal science.

Regulatory Roles of Leptin at the Hypothalamic-Hypophyseal Axis Before and after Sexual Maturation in Cattle1

D. Keisler, M. Amstalden, G. L. Williams, 2004, Biology of reproduction.

Leptin Gene Expression, Circulating Leptin, and Luteinizing Hormone Pulsatility Are Acutely Responsive to Short-Term Fasting in Prepubertal Heifers: Relationships to Circulating Insulin and Insulin-Like Growth Factor I1

G. L. Williams, D. Keisler, M. Amstalden, 2000, Biology of reproduction.

Seasonal effects of central leptin infusion on secretion of melatonin and prolactin and on SOCS-3 gene expression in ewes.

D. Keisler, E. Stępień, G. L. Williams, 2008, The Journal of endocrinology.

Ovarian, hormonal, and reproductive events associated with synchronization of ovulation and timed appointment breeding of Bos indicus-influenced cattle using intravaginal progesterone, gonadotropin-releasing hormone, and prostaglandin F2alpha.

G. L. Williams, J. Cartmill, R. Stanko, 2007, Journal of animal science.

Ovarian follicular and luteal characteristics in Bos indicus-influenced beef cows using prostaglandin F2α with or without GnRH at the onset of the 5-day CO-Synch + controlled internal drug release (CIDR) protocol.

G. L. Williams, R. Stanko, M. M. O’Neil, 2019, Animal reproduction science.

Presynchronization with gonadotropin-releasing hormone increases the proportion of Bos indicus-influenced females ovulating at initiation of synchronization but fails to improve synchronized new follicular wave emergence or fixed-time artificial insemination conception rates using intravaginal proge

G. L. Williams, J. Cartmill, J. Zuluaga, 2010, Journal of animal science.

Evidence for maternal behavior as a requisite link in suckling-mediated anovulation in cows.

G. L. Williams, D. Ryan, R. Spoon, 1993, Biology of reproduction.

The effect of intrauterine infusions of prostaglandin E2 on luteal function in nonpregnant gilts.

G. L. Williams, R. Weigl, J. Tilton, 1983, Theriogenology.

Plasma luteinizing hormone during pregnancy in the pig

G. L. Williams, A. Ziecik, R. Weigl, 1983 .

Suckling as a regulator of postpartum rebreeding in cattle: a review.

G. L. Williams, 1990, Journal of animal science.

Relationships among dietary lipid intake, serum cholesterol and ovarian function in Holstein heifers.

C. Park, G. L. Williams, F. Talavera, 1985, Journal of animal science.

Effects of dietary gossypol consumption on metabolic homeostasis and reproductive endocrine function in beef heifers and cows.

G. L. Williams, L. W. Greene, M. L. Gray, 1993, Journal of animal science.

Pharmacologic application of native GnRH in the winter anovulatory mare, I: frequency of reversion to the anovulatory state following ovulation induction and cessation of treatment.

M. Amstalden, G. L. Williams, J. F. Thorson, 2014, Theriogenology.

Continuous administration of low-dose GnRH in mares II. Pituitary and ovarian responses to uninterrupted treatment beginning near the autumnal equinox and continuing throughout the anovulatory season.

G. L. Williams, D. Zieba, S. Collins, 2007, Theriogenology.

Continuous administration of low-dose GnRH in mares I. Control of persistent anovulation during the ovulatory season.

M. Amstalden, G. L. Williams, G. Blodgett, 2007, Theriogenology.

Evidence that lamprey GnRH-III does not release FSH selectively in cattle.

M. Amstalden, G. L. Williams, T. Welsh, 2004, Reproduction.

Nutritional Programming of Accelerated Puberty in Heifers: Involvement of Pro‐Opiomelanocortin Neurones in the Arcuate Nucleus

G. L. Williams, M. Amstalden, B. Alves, 2015, Journal of neuroendocrinology.

Use of a stair-step compensatory gain nutritional regimen to program the onset of puberty in beef heifers.

G. L. Williams, L. Tedeschi, C. Park, 2014, Journal of animal science.

Developmental Changes in Hypothalamic Kiss1 Expression during Activation of the Pulsatile Release of Luteinising Hormone in Maturing Ewe Lambs

T. Spencer, M. Amstalden, G. L. Williams, 2011, Journal of neuroendocrinology.

Distribution and repeatability of anterior pituitary responses to GnRH and relationship of response classification to the postpartum anovulatory interval of beef cows.

G. L. Williams, R. Stanko, P. Fajersson, 1999, Journal of animal science.

Injection of neuropeptide Y into the third cerebroventricle differentially influences pituitary secretion of luteinizing hormone and growth hormone in ovariectomized cows.

D. Keisler, G. L. Williams, M. Thomas, 1999, Domestic animal endocrinology.

G. L. Williams, L. Anderson, D. Keisler, 1998, Biology of reproduction.

Time of the preovulatory LH surge in the gilt and sow relative to the onset of behavioral estrus.

G. L. Williams, G. Foxcroft, A. Ziecik, 1982, Theriogenology.

Coincident secretion of follicle-stimulating hormone and luteinizing hormone in early postpartum beef cows: effects of suckling and low-level increases of systemic progesterone.

G. L. Williams, J. Kirsch, F. Talavera, 1983, Biology of reproduction.

Dietary fats varying in their fatty acid composition differentially influence follicular growth in cows fed isoenergetic diets.

G. L. Williams, M. Thomas, B. Bao, 1997, Journal of animal science.

Metabolic hormone secretion and FSH-induced superovulatory responses of beef heifers fed dietary fat supplements containing predominantly saturated or polyunsaturated fatty acids.

G. L. Williams, M. Thomas, 1996, Theriogenology.

Ovarian follicular recruitment, granulosa cell steroidogenic potential and growth hormone/insulin-like growth factor-I relationships in suckled beef cows consuming high lipid diets: effects of graded differences in body condition maintained during the puerperium.

G. L. Williams, D. Ryan, R. Spoon, 1994, Domestic animal endocrinology.

Evidence for uterine Effects on fetal Development in the Pig

M. Amstalden, G. L. Williams, Fahey, 2002 .

Effects of various mating stimuli on pituitary release of luteinizing hormone in the gilt

G. L. Williams, A. Ziecik, T. Schaffer, 1985 .

Immunoneutralization of inhibin modifies hormone secretion and sperm production in bulls.

J. Ireland, G. L. Williams, D. Lunstra, 1991, Biology of reproduction.

Timing of preovulatory endocrine events, estrus and ovulation in Brahman x Hereford females synchronized with norgestomet and estradiol valerate.

G. L. Williams, J. Mikeska, 1988, Journal of animal science.

Estrous response of early postpartum beef heifers to progesterone and estradiol-17beta during restricted dietary energy.

G. L. Williams, D. E. Ray, J. G. Butler, 1980, Theriogenology.

Use of altrenogest alone or in combination with PMSG to control the preovulatory LH surge in gilts

G. L. Williams, A. Ziecik, R. Weigl, 1987 .

Effect of mating on the luteinizing hormone surge in the pig.

G. L. Williams, A. Ziecik, J. Tilton, 1981, Journal of animal science.

The effect of repeated mating at short intervals on reproductive performance of gilts.

M. Marchello, G. L. Williams, J. Tilton, 1985, Journal of animal science.

Breeding capacity, behavior and fertility of bulls with Brahman genetic influence during synchronized breeding of beef females.

G. L. Williams, 1988, Theriogenology.

Effect of suckling on pituitary responsiveness to gonadotropin-releasing hormone throughout the early postpartum period of beef cows.

W. Slanger, G. L. Williams, J. Kotwica, 1982, Journal of animal science.

Relationship of plasma testosterone concentrations to pituitary-ovarian hormone secretion during the bovine estrous cycle and the effects of testosterone propionate administered during luteal regression.

G. L. Williams, J. Kotwica, 1982, Biology of reproduction.

Pituitary and ovarian responses of postpartum dairy cows to progesterone priming and single or double injections of gonadotropin-releasing hormone.

G. L. Williams, J. Tilton, B. J. Petersen, 1982, Theriogenology.

Regulatory roles of high-density and low-density lipoproteins in cellular proliferation and secretion of progesterone and insulin-like growth factor I by enriched cultures of bovine small and large luteal cells.

G. L. Williams, M. Thomas, B. Bao, 1997, Journal of animal science.

Mechanical masking of neurosensory pathways at the calf-teat interface: endocrine, reproductive and lactational features of the suckled anestrous cow.

G. L. Williams, W. R. McVey, 1991, Theriogenology.

The postweaning rise of tonic luteinizing hormone secretion in anestrous cows is not prevented by chronic milking or the physical presence of the calf.

W. Slanger, G. L. Williams, M. Koziorowski, 1987, Biology of reproduction.

The effects of the insecticide acephate on the growth and nutrient uptake of an aquatic bacterium.

G. L. Williams, L. Albright, 1984, Canadian journal of microbiology.

Comparison of three approaches for synchronization of ovulation for timed artificial insemination in Bos indicus-influenced cattle managed on the Texas gulf coast.

M. Amstalden, G. L. Williams, S. W. Williams, 2002, Journal of animal science.

Roles of maternal vision and olfaction in suckling-mediated inhibition of luteinizing hormone secretion, expression of maternal selectivity, and lactational performance of beef cows.

G. L. Williams, M. K. Griffith, 1996, Biology of reproduction.

Effects of time of suckling during the solar day on duration of the postpartum anovulatory interval in Brahman x Hereford (F1) cows.

G. L. Williams, O. Gazal, G. A. Guzman-Vega, 1999, Journal of animal science.

Mammary somatosensory pathways are not required for suckling-mediated inhibition of luteinizing hormone secretion and delay of ovulation in cows.

G. L. Williams, J. F. Hunter, W. R. McVey, 1993, Biology of reproduction.

Physiological Regulation of Maternal Behavior in Heifers: Roles of Genital Stimulation, Intracerebral Oxytocin Release, and Ovarian Steroids1

L. Anderson, G. L. Williams, L. S. Leshin, 2001, Biology of reproduction.

PHYSIOLOGY AND MANAGEMENT OF THE POSTPARTUM SUCKLED COW FOR CONTROLLED BREEDING PROGRAMS

G. L. Williams, 2005 .

Sensory and behavioural control of gonadotrophin secretion during suckling-mediated anovulation in cows.

G. L. Williams, M. K. Griffith, G. Williams, 2019, Journal of reproduction and fertility. Supplement.

Evidence against chronic teat stimulation as an autonomous effector of diminished gonadotropin release in beef cows.

W. Slanger, G. L. Williams, G. Post, 1984, Journal of animal science.

Effects of transcutaneous thermal and electrical stimulation of the teat on pituitary luteinizing hormone, prolactin and oxytocin secretion in ovariectomized, estradiol-treated beef cows following acute weaning.

G. L. Williams, J. F. Hunter, J. L. Cutshaw, 1992, Theriogenology.

High-pressure steam sterilization of previously used CIDR inserts enhances the magnitude of the acute increase in circulating progesterone after insertion in cows.

G. L. Williams, J. Zuluaga, 2008, Animal reproduction science.

Pregnancy rates to fixed-time AI in Bos indicus-influenced beef cows using PGF2α with (Bee Synch I) or without (Bee Synch II) GnRH at the onset of the 5-day CO-Synch + CIDR protocol.

G. L. Williams, R. Stanko, 2020, Theriogenology.

In vitro metabolism of ovarian steroids by bovine whole blood and plasma

G. L. Williams, J. Kotwica, R. Lesniewski, 1985 .

Secretion of luteinizing hormone into pituitary venous effluent of the follicular and luteal phase mare: novel acceleration of episodic release during constant infusion of gonadotropin-releasing hormone.

G. L. Williams, M. Amstalden, G. L. Williams, 2012, Domestic animal endocrinology.

Dynamics of GHRH in third-ventricle cerebrospinal fluid of cattle: relationship with serum concentrations of GH and responses to appetite-regulating peptides.

D. Keisler, M. Amstalden, G. L. Williams, 2009, Domestic animal endocrinology.

Seasonal effects of central leptin infusion on secretion of melatonin and prolactin and on SOCS-3 gene expression in ewes.

G. L. Williams, M. Murawski, E. Molik, 2008, The Journal of endocrinology.