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Mohamed El Halawani

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Research Profile (preview)

Living Beings

Turkeys

Chemicals & Drugs

Anatomy

Concepts & Ideas

Activities & Behaviors

Nesting Behavior

Physiology

Phenomena

Light

Procedures

Radioimmunoassay

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Co-Publications
Name
30
Youngren, Orlan
19
Chaiseha, Yupaporn
18
Pitts, Gilbert
18
Rozenboim, Israel
17
Foster, Douglas
10
You, Seungkwon
7
Porter, Tom
7
Kang, Seong Wook
6
Wong, Eric
5
Thayananuphat, Aree
5
Mauro, Laura
5
Millam, James
5
Kang, Seong
5
Hargis, Billy
4
Kim, Hyunggee

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Publications

TOP 3
El Halawani Mohamed E; Kang Seong W; Leclerc Benoit; Kosonsiriluk Sunantha; Chaiseha Yupaporn
Dopamine-melatonin neurons in the avian hypothalamus and their role as photoperiodic clocks.
Kang S W; Thayananuphat A; Bakken T; El Halawani M E
Dopamine-melatonin neurons in the avian hypothalamus controlling seasonal reproduction.
Thayananuphat A; Kang S W; Bakken T; Millam J R; El Halawani M E
Rhythm-dependent light induction of the c-fos gene in the turkey hypothalamus.

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All Publications

2009: El Halawani Mohamed E; Kang Seong W; Leclerc Benoit; Kosonsiriluk Sunantha; Chaiseha Yupaporn
Dopamine-melatonin neurons in the avian hypothalamus and their role as photoperiodic clocks.
General and comparative endocrinology 2009;163(1-2):123-7.
2007: Kang S W; Thayananuphat A; Bakken T; El Halawani M E
Dopamine-melatonin neurons in the avian hypothalamus controlling seasonal reproduction.
Neuroscience 2007;150(1):223-33.
2007: Thayananuphat A; Kang S W; Bakken T; Millam J R; El Halawani M E
Rhythm-dependent light induction of the c-fos gene in the turkey hypothalamus.
Journal of neuroendocrinology 2007;19(6):407-17.
2007: Thayananuphat A; Kang S W; Bakken T; Millam J R; El Halawani M E
Rhythmic dependent light induction of gonadotrophin-releasing hormone-I expression and activation of dopaminergic neurones within the premammillary nucleus of the turkey hypothalamus.
Journal of neuroendocrinology 2007;19(6):399-406.
2006: Al-Zailaie K A; Kang S W; Youngren O M; Thayananuphat A; Bakken T; Chaiseha Y; Millam J R; Proudman J A; El Halawani M E
Identification of dopamine, gonadotrophin-releasing hormone-I, and vasoactive intestinal peptide neurones activated by electrical stimulation to the medial preoptic area of the turkey hypothalamus: a potential reproductive neuroendocrine circuit.
Journal of neuroendocrinology 2006;18(7):514-25.
2006: Kang Seong W; Thayananuphat Aree; Rozenboim Israel; Millam James R; Proudman John A; El Halawani Mohamed E
Expression of hypothalamic GnRH-I mRNA in the female turkey at different reproductive states and following photostimulation.
General and comparative endocrinology 2006;146(2):91-9.
2005: Al Kahtane A; Kannan M; Kang S W; El Halawani M E
Regulation of prolactin gene expression by vasoactive intestinal peptide and dopamine in the turkey: role of Ca signalling.
Journal of neuroendocrinology 2005;17(10):649-55.
2005: Kulick Ronit S; Chaiseha Yupaporn; Kang Seong W; Rozenboim Israel; El Halawani Mohamed E
The relative importance of vasoactive intestinal peptide and peptide histidine isoleucine as physiological regulators of prolactin in the domestic turkey.
General and comparative endocrinology 2005;142(3):267-73.
2004: Rozenboim I; Mobarky N; Heiblum R; Chaiseha Y; Kang S W; Biran I; Rosenstrauch A; Sklan D; El Halawani M E
The role of prolactin in reproductive failure associated with heat stress in the domestic turkey.
Biology of reproduction 2004;71(4):1208-13.
2004: Kang Seong W; Gazzillo Lisa C; You Seungkwon; Wong Eric A; El Halawani Mohamed E
Turkey prolactin gene regulation by VIP through 35-bp cis-acting element in the proximal promoter.
General and comparative endocrinology 2004;138(2):157-65.
2004: Chaiseha Yupaporn; Youngren Orlan M; El Halawani Mohamed E
Expression of vasoactive intestinal peptide receptor messenger RNA in the hypothalamus and pituitary throughout the turkey reproductive cycle.
Biology of reproduction 2004;70(3):593-9.
2003: Rozenboim I; Navot A; Snapir N; Rosenstrauch A; El Halawani M E; Gvaryahu G; Degen A
Method for collecting semen from the ostrich (Struthio camelus) and some of its quantitative and qualitative characteristics.
British poultry science 2003;44(4):607-11.
2003: Al Kahtane A; Chaiseha Y; El Halawani M
Dopaminergic regulation of avian prolactin gene transcription.
Journal of molecular endocrinology 2003;31(1):185-96.
2003: Rozenboim I; Huisinga R; Halevy O; El Halawani M E
Effect of embryonic photostimulation on the posthatch growth of turkey poults.
Poultry science 2003;82(7):1181-7.
2003: Chaiseha Yupaporn; Youngren Orlan; Al-Zailaie Khaled; El Halawani Mohamed
Expression of D1 and D2 dopamine receptors in the hypothalamus and pituitary during the turkey reproductive cycle: colocalization with vasoactive intestinal peptide.
Neuroendocrinology 2003;77(2):105-18.
2003: Bhatt Renu; Youngren Orlan; Kang Seong; El Halawani Mohamed
Dopamine infusion into the third ventricle increases gene expression of hypothalamic vasoactive intestinal peptide and pituitary prolactin and luteinizing hormone beta subunit in the turkey.
General and comparative endocrinology 2003;130(1):41-7.
2002: Kang Seong W; Youngren Orlan M; El Halawani Mohamed E
Influence of VIP on prolactinemia in turkey anterior pituitary cells: role of cAMP second messenger in VIP-induced prolactin gene expression.
Regulatory peptides 2002;109(1-3):39-44.
2002: Kang Seong W; You Seungkwon; Wong Eric A; El Halawani Mohamed E
Normalization of transfection efficiency using the beta-lactamase gene of the pGL3 luciferase vector in primary anterior pituitary cells.
BioTechniques 2002;33(2):326-8, 330.
2002: Youngren Orlan; Chaiseha Yupaporn; Al-Zailaie Khaled; Whiting Stephen; Kang Seong Wook; El Halawani Mohamed
Regulation of prolactin secretion by dopamine at the level of the hypothalamus in the turkey.
Neuroendocrinology 2002;75(3):185-92.
2001: Ahn J; You S; Kim H; Foster D N; El Halawani M E
Molecular cloning and expression of turkey inhibin-alpha and -betaA subunits.
Poultry science 2001;80(12):1690-4.
2001: Gahali K; El Halawani M E; Rozenboim I
Photostimulated prolactin release in the Turkey hen: effect of ovariectomy and environmental temperature.
General and comparative endocrinology 2001;124(2):166-72.
2001: Ahn J; You S; Kim H; Chaiseha Y; El Halawani M
Effects of active immunization with inhibin alpha subunit on reproductive characteristics of turkey hens.
Biology of reproduction 2001;65(5):1594-600.
2001: You S; Hsu C C; Kim H; Kho Y; Choi Y J; El Halawani M E; Farris J; Foster D N
Molecular cloning and expression analysis of the turkey vasoactive intestinal peptide receptor.
General and comparative endocrinology 2001;124(1):53-65.
2000: Yoo S J; You S; Kim H; Kim S C; Choi Y J; El Halawani M; Farris J; Foster D N
Molecular cloning and characterization of alternatively spliced transcripts of the turkey pituitary adenylate cyclase-activating polypeptide.
General and comparative endocrinology 2000;120(3):326-35.
2000: Bluhm C K; Rozenboim I; Silsby J; El Halawani M
Sex-related differences in the effects of late winter pairing activity and seasonal influences on neuroendocrinology and gonadal development of mallards.
General and comparative endocrinology 2000;118(2):310-21.
2000: Pitts G R; You S; Foster D N; El-Halawani M E
Evidence for multiple prolactin receptor transcripts in the turkey.
Poultry science 2000;79(3):355-62.
2000: El-Halawani M E; Whiting S E; Silsby J L; Pitts G R; Chaiseha Y
Active immunization with vasoactive intestinal peptide in turkey hens.
Poultry science 2000;79(3):349-54.
2000: You S; Kim H; El Halawani M E; Foster D N
Three different turkey luteinizing hormone receptor (tLH-R) isoforms II: characterization of differentially regulated tLH-R messenger ribonucleic acid isoforms in the ovary.
Biology of reproduction 2000;62(1):117-24.
2000: You S; Kim H; Hsu C C; El Halawani M E; Foster D N
Three different turkey luteinizing hormone receptor (tLH-R) isoforms I: characterization of alternatively spliced tLH-R isoforms and their regulated expression in diverse tissues.
Biology of reproduction 2000;62(1):108-16.
1999: Chaiseha Y; El Halawani M E
Expression of vasoactive intestinal peptide/peptide histidine isoleucine in several hypothalamic areas during the turkey reproductive cycle: relationship to prolactin secretion.
Neuroendocrinology 1999;70(6):402-12.
1999: Youngren O M; Pitts G R; Chaiseha Y; El Halawani M E
An opioid pathway in the hypothalamus of the turkey that stimulates prolactin secretion.
Neuroendocrinology 1999;70(5):317-23.
1999: Schnell S A; You S; El Halawani M E
D1 and D2 dopamine receptor messenger ribonucleic acid in brain and pituitary during the reproductive cycle of the turkey hen.
Biology of reproduction 1999;60(6):1378-83.
1999: Schnell S A; You S; Foster D N; El Halawani M E
Molecular cloning and tissue distribution of an avian D2 dopamine receptor mRNA from the domestic turkey (Maleagris gallopavo).
The Journal of comparative neurology 1999;407(4):543-54.
1998: Chaiseha Y; Tong Z; Youngren O M; El Halawani M E
Transcriptional changes in hypothalamic vasoactive intestinal peptide during a photo-induced reproductive cycle in the turkey.
Journal of molecular endocrinology 1998;21(3):267-75.
1998: Tong Z; Pitts G R; You S; Foster D N; El Halawani M E
Vasoactive intestinal peptide stimulates turkey prolactin gene expression by increasing transcription rate and enhancing mRNA stability.
Journal of molecular endocrinology 1998;21(3):259-66.
1998: Youngren O M; Chaiseha Y; El Halawani M E
Regulation of prolactin secretion by dopamine and vasoactive intestinal peptide at the level of the pituitary in the turkey.
Neuroendocrinology 1998;68(5):319-25.
1998: Youngren O M; Chaiseha Y; El Halawani M E
Serotonergic stimulation of avian prolactin secretion requires an intact dopaminergic system.
General and comparative endocrinology 1998;112(1):63-8.
1998: Chaiseha Y; Youngren O M; El Halawani M E
Vasoactive intestinal peptide secretion by turkey hypothalamic explants.
Biology of reproduction 1998;59(3):670-5.
1998: Millam J R; Ottinger M A; Craig-Veit C B; Fan Y; Chaiseha Y; el Halawani M
Multiple forms of GnRH are released from perifused medial basal hypothalamic/preoptic area (MBH/POA) explants in birds.
General and comparative endocrinology 1998;111(1):95-101.
1997: Chaiseha Y; Youngren O M; el Halawani M E
Dopamine receptors influence vasoactive intestinal peptide release from turkey hypothalamic explants.
Neuroendocrinology 1997;65(6):423-9.
1997: Tong Z; Pitts G R; Foster D N; el Halawani M
Transcriptional and post-transcriptional regulation of prolactin during the turkey reproductive cycle.
Journal of molecular endocrinology 1997;18(3):223-31.
1996: Pitts G R; Youngren O M; Phillips R E; el Halawani M E
Photoperiod mediates the ability of serotonin to release prolactin in the turkey.
General and comparative endocrinology 1996;104(3):265-72.
1996: Youngren O M; Pitts G R; Phillips R E; el Halawani M E
Dopaminergic control of prolactin secretion in the turkey.
General and comparative endocrinology 1996;104(2):225-30.
1996: el Halawani M E; Pitts G R; Sun S; Silsby J L; Sivanandan V
Active immunization against vasoactive intestinal peptide prevents photo-induced prolactin secretion in turkeys.
General and comparative endocrinology 1996;104(1):76-83.
1996: Youngren O; Chaiseha Y; Phillips R; El Halawani M
Vasoactive intestinal peptide concentrations in turkey hypophysial portal blood differ across the reproductive cycle.
General and comparative endocrinology 1996;103(3):323-30.
1996: Xu M; Proudman J A; Pitts G R; Wong E A; Foster D N; el Halawani M E
Vasoactive intestinal peptide stimulates prolactin mRNA expression in turkey pituitary cells: effects of dopaminergic drugs.
Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.) 1996;212(1):52-62.
1996: Rozenboim I; Pitts G R; Youngren O M; El Halawani M E
Effect of maternal passive immunization against vasoactive intestinal peptide on prolactin secretion in turkey poults.
Biology of reproduction 1996;54(3):670-4.
1995: Sun S; el Halawani M E
Protein kinase-C mediates chicken vasoactive intestinal peptide stimulated prolactin secretion and gene expression in turkey primary pituitary cells.
General and comparative endocrinology 1995;99(3):289-97.
1995: el Halawani M E; Youngren O M; Rozenboim I; Pitts G R; Silsby J L; Phillips R E
Serotonergic stimulation of prolactin secretion is inhibited by vasoactive intestinal peptide immunoneutralization in the turkey.
General and comparative endocrinology 1995;99(1):69-74.
1995: You S; Silsby J L; Farris J; Foster D N; el Halawani M E
Tissue-specific alternative splicing of turkey preprovasoactive intestinal peptide messenger ribonucleic acid, its regulation, and correlation with prolactin secretion.
Endocrinology 1995;136(6):2602-10.
1995: Youngren O M; Pitts G R; Phillips R E; el Halawani M E
The stimulatory and inhibitory effects of dopamine on prolactin secretion in the turkey.
General and comparative endocrinology 1995;98(1):111-7.
1995: Kurima K; Proudman J A; El Halawani M E; Wong E A
The turkey prolactin-encoding gene and its regulatory region.
Gene 1995;156(2):309-10.
1995: Tabibzadeh C; Rozenboim I; Silsby J L; Pitts G R; Foster D N; el Halawani M
Modulation of ovarian cytochrome P450 17 alpha-hydroxylase and cytochrome aromatase messenger ribonucleic acid by prolactin in the domestic turkey.
Biology of reproduction 1995;52(3):600-8.
1995: You S; Foster L K; Silsby J L; el Halawani M E; Foster D N
Sequence analysis of the turkey LH beta subunit and its regulation by gonadotrophin-releasing hormone and prolactin in cultured pituitary cells.
Journal of molecular endocrinology 1995;14(1):117-29.
1995: el Halawani M E; Silsby J L; Rozenboim I; Pitts G R
Increased egg production by active immunization against vasoactive intestinal peptide in the turkey (Meleagris gallopavo).
Biology of reproduction 1995;52(1):179-83.
1994: Tabibzadeh C; Silsby J L; Rozenboim I; Pitts G R; Foster D N; el Halawani M E
Theca cell cytochrome P450 17-hydroxylase and aromatase messenger ribonucleic acid abundance and serum steroid levels during follicular atresia associated with incubation behavior in the domestic turkey hen.
Biology of reproduction 1994;51(4):731-8.
1994: Youngren O M; Silsby J L; Rozenboim I; Phillips R E; el Halawani M E
Active immunization with vasoactive intestinal peptide prevents the secretion of prolactin induced by electrical stimulation of the turkey hypothalamus.
General and comparative endocrinology 1994;95(3):330-6.
1994: Pitts G R; Youngren O M; Silsby J L; Rozenboim I; Chaiseha Y; Phillips R E; Foster D N; el Halawani M E
Role of vasoactive intestinal peptide in the control of prolactin-induced turkey incubation behavior. II. Chronic infusion of vasoactive intestinal peptide.
Biology of reproduction 1994;50(6):1350-6.
1994: Pitts G R; Youngren O M; Silsby J L; Foster L K; Foster D N; Rozenboim I; Phillips R E; el Halawani M E
Role of vasoactive intestinal peptide in the control of prolactin-induced turkey incubation behavior. I. Acute infusion of vasoactive intestinal peptide.
Biology of reproduction 1994;50(6):1344-9.
1993: Rozenboim I; Silsby J L; Tabibzadeh C; Pitts G R; Youngren O M; el Halawani M E
Hypothalamic and posterior pituitary content of vasoactive intestinal peptide and gonadotropin-releasing hormones I and II in the turkey hen.
Biology of reproduction 1993;49(3):622-6.
1993: Petrowski M L; Wong E A; Ishii S; el Halawani M E
Influence of ovariectomy and photostimulation on luteinizing hormone in the domestic turkey: evidence for differential regulation of gene expression and hormone secretion.
Biology of reproduction 1993;49(2):295-9.
1993: el Halawani M E; Silsby J L; Foster L K; Rozenboim I; Foster D N
Ovarian involvement in the suppression of luteinizing hormone in the incubating turkey (Meleagris gallopavo).
Neuroendocrinology 1993;58(1):35-41.
1993: Rozenboim I; Tabibzadeh C; Silsby J L; el Halawani M E
Effect of ovine prolactin administration on hypothalamic vasoactive intestinal peptide (VIP), gonadotropin releasing hormone I and II content, and anterior pituitary VIP receptors in laying turkey hens.
Biology of reproduction 1993;48(6):1246-50.
1993: Rozenboim I; el Halawani M E
Characterization of vasoactive intestinal peptide pituitary membrane receptors in turkey hens during different stages of reproduction.
Biology of reproduction 1993;48(5):1129-34.
1993: Youngren O M; el Halawani M E; Silsby J L; Phillips R E
Effect of reproductive condition on luteinizing hormone and prolactin release induced by electrical stimulation of the turkey hypothalamus.
General and comparative endocrinology 1993;89(2):220-8.
1992: Wong E A; Silsby J L; el Halawani M E
Complementary DNA cloning and expression of Pit-1/GHF-1 from the domestic turkey.
DNA and cell biology 1992;11(9):651-60.
1992: Wong E A; Silsby J L; Ishii S; el Halawani M E
Pituitary luteinizing hormone and prolactin messenger ribonucleic acid levels are inversely related in laying and incubating turkey hens.
Biology of reproduction 1992;47(4):598-602.
1992: Mauro L J; Youngren O M; Proudman J A; Phillips R E; el Halawani M E
Effects of reproductive status, ovariectomy, and photoperiod on vasoactive intestinal peptide in the female turkey hypothalamus.
General and comparative endocrinology 1992;87(3):481-93.
1992: el Halawani M E; Silsby J L; Koike T I; Robinzon B
Evidence of a role for the turkey posterior pituitary in prolactin release.
General and comparative endocrinology 1992;87(3):436-42.
1991: el Halawani M E; Youngren O M; Silsby J L; Phillips R E
Involvement of dopamine in prolactin release induced by electrical stimulation of the hypothalamus of the female turkey (Meleagris gallopavo).
General and comparative endocrinology 1991;84(3):360-4.
1991: Porter T E; Hargis B M; Silsby J L; el Halawani M E
Characterization of dissimilar steroid productions by granulosa, theca interna and theca externa cells during follicular maturation in the turkey (Meleagris gallopavo).
General and comparative endocrinology 1991;84(1):1-8.
1991: Porter T E; Silsby J L; Hargis B M; Fehrer S C; el Halawani M E
Ovarian steroid production in vitro during gonadal regression in the turkey. II. Changes induced by forced molting.
Biology of reproduction 1991;45(4):587-91.
1991: Porter T E; Silsby J L; Behnke E J; Knapp T R; el Halawani M E
Ovarian steroid production in vitro during gonadal regression in the turkey. I. Changes associated with incubation behavior.
Biology of reproduction 1991;45(4):581-6.
1991: Wong E A; Ferrin N H; Silsby J L; el Halawani M E
Cloning of a turkey prolactin cDNA: expression of prolactin mRNA throughout the reproductive cycle of the domestic turkey (Meleagris gallopavo).
General and comparative endocrinology 1991;83(1):18-26.
1991: Halvorson J C; Waibel P E; Oju E M; Noll S L; el Halawani M E
Effect of diet and population density on male turkeys under various environmental conditions. 2. Body composition and meat yield.
Poultry science 1991;70(4):935-40.
1991: Noll S L; el Halawani M E; Waibel P E; Redig P; Janni K
Effect of diet and population density on male turkeys under various environmental conditions. 1. Turkey growth and health performance.
Poultry science 1991;70(4):923-34.
1991: Youngren O M; el Halawani M E; Silsby J L; Phillips R E
Intracranial prolactin perfusion induces incubation behavior in turkey hens.
Biology of reproduction 1991;44(3):425-31.
1991: el Halawani M E; Silsby J L; Youngren O M; Phillips R E
Exogenous prolactin delays photo-induced sexual maturity and suppresses ovariectomy-induced luteinizing hormone secretion in the turkey (Meleagris gallopavo).
Biology of reproduction 1991;44(3):420-4.
1991: Emmerson D A; Denbow D M; Van Krey H P; Hulet R M; el Halawani M E
Protein and energy self-selection of turkey hens. Serum prolactin and luteinizing hormone concentrations.
Comparative biochemistry and physiology. A, Comparative physiology 1991;100(2):495-9.
1990: Frank R K; Noll S L; el Halawani M; Newman J A; Halvorson D A; Ruth G R
Perirenal hemorrhage syndrome in market turkey toms: effect of management factors.
Avian diseases 1990;34(4):833-42.
1990: el Halawani M E; Silsby J L; Mauro L J
Enhanced vasoactive intestinal peptide-induced prolactin secretion from anterior pituitary cells of incubating turkeys (Meleagris gallopavo).
General and comparative endocrinology 1990;80(1):138-45.
1990: el Halawani M E; Silsby J L; Mauro L J
Vasoactive intestinal peptide is a hypothalamic prolactin-releasing neuropeptide in the turkey (Meleagris gallopavo).
General and comparative endocrinology 1990;78(1):66-73.
1990: el Halawani M E; Mauro L J; Phillips R E; Youngren O M
Neuroendocrine control of prolactin and incubation behavior in gallinaceous birds.
Progress in clinical and biological research 1990;342():678-84.
1989: Mauro L J; Elde R P; Youngren O M; Phillips R E; el Halawani M E
Alterations in hypothalamic vasoactive intestinal peptide-like immunoreactivity are associated with reproduction and prolactin release in the female turkey.
Endocrinology 1989;125(4):1795-804.
1989: Porter T E; Hargis B M; Silsby J L; el Halawani M E
Differential steroid production between theca interna and theca externa cells: a three-cell model for follicular steroidogenesis in avian species.
Endocrinology 1989;125(1):109-16.
1989: Porter T E; Hargis B M; Silsby J L; el Halawani M E
Enhanced progesterone and testosterone secretion and depressed estradiol secretion in vitro from small white follicle cells of incubating turkey hens.
General and comparative endocrinology 1989;74(3):400-5.
1988: Fehrer S C; Silsby J L; el Halawani M E; Guise K S
5-azacytidine-induced increase in plasma prolactin levels of immature turkeys.
Poultry science 1988;67(12):1794-6.
1988: el Halawani M E; Youngren O M; Silsby J L; Phillips R E
Involvement of serotonin in prolactin release induced by electrical stimulation of the hypothalamus of the turkey (Meleagris gallopavo).
General and comparative endocrinology 1988;72(2):323-8.
1988: Knapp T R; Fehrer S C; Silsby J L; Porter T E; Behnke E J; el Halawani M E
Gonadal steroid modulation of basal and vasoactive intestinal polypeptide-stimulated prolactin release by turkey anterior pituitary cells.
General and comparative endocrinology 1988;72(2):226-36.
1988: el Halawani M E; Silsby J L; Fehrer S C
Basal and hypothalamic extract-induced luteinizing hormone and prolactin secretion by cultured anterior pituitary cells from female turkeys in various stages of the reproductive cycle.
General and comparative endocrinology 1988;71(1):45-54.
1988: Ali B H; Silsby J L; Loseth K J; Crabo B; el Halawani M E
Some effects of furazolidone on the testis and plasma levels of testosterone, luteinizing hormone and prolactin in mature male turkeys.
International journal of andrology 1988;11(2):141-52.
1988: Ali B H; Silsby J L; Edens F; el Halawani M E
Effects of furazolidone or nitrofurazone on the concentrations of hypothalamic amines and plasma luteinizing hormone (LH) and prolactin (PRL), levels in young turkeys.
General pharmacology 1988;19(1):91-5.
1987: Ali B H; Silsby J; el Halawani M E
Effect of furazolidone and nitrofurazone on egg production, on plasma luteinising hormone and on prolactin concentrations in turkeys.
British poultry science 1987;28(4):613-21.
1987: Knapp T R; Fehrer S C; Silsby J L; Porter T E; Behnke E J; el Halawani M E
Gonadal steroid-mediated alteration of luteinizing hormone secretion by anterior pituitary cells of young turkeys.
General and comparative endocrinology 1987;68(3):449-55.
1987: el Halawani M E; Fehrer S C; Silsby J L
Enhanced luteinizing hormone release by luteinizing hormone-releasing hormone in incubating female turkeys (Meleagris gallopavo).
Biology of reproduction 1987;36(4):884-9.
1986: el Halawani M E; Silsby J L; Behnke E J; Fehrer S C
Hormonal induction of incubation behavior in ovariectomized female turkeys (Meleagris gallopavo).
Biology of reproduction 1986;35(1):59-67.
1985: Fehrer S C; Silsby J L; el Halawani M E
Serotonergic influences on pituitary gland and hypothalamic induction of prolactin and luteinizing hormone release in the young turkey (Meleagris gallopavo).
Biology of reproduction 1985;33(5):1064-72.
1985: el Halawani M E; Silsby J L; Fehrer S C; Behnke E J
The influence of acute or repeated immobilization on plasma prolactin levels in the turkey (Meleagris gallopavo).
General and comparative endocrinology 1985;59(3):410-5.
1985: Fehrer S C; Silsby J L; Behnke E J; el Halawani M E
The influence of thyrotropin releasing hormone on in vivo prolactin release and in vitro prolactin, luteinizing hormone, and growth hormone release from dispersed pituitary cells of the young turkey (Meleagris gallopavo).
General and comparative endocrinology 1985;59(1):64-72.
1985: Fehrer S C; Silsby J L; Behnke E J; el Halawani M E
Hypothalamic and serum factors influence on prolactin and luteinizing hormone release by the pituitary gland of the young turkey (Meleagris gallopavo).
General and comparative endocrinology 1985;59(1):73-81.
1985: Fehrer S C; Silsby J L; Burke W H; el Halawani M E
The influence of pharmacological manipulation of serotonin on serum growth hormone and luteinizing hormone levels in young turkeys (Meleagris gallopavo).
Poultry science 1985;64(7):1356-62.
1985: Fehrer S C; Silsby J L; el Halawani M E
Cyproheptadine stimulated prolactin release in the young turkey (Meleagris gallopavo).
Poultry science 1985;64(5):1038-40.
1985: Millam J R; El Halawani M E; Burke W H
Effect of cyclic sound cues on sexual development in nonphotostimulated Japanese quail.
Poultry science 1985;64(1):169-75.
1984: El Halawani M E; Burke W H; Millam J R; Fehrer S C; Hargis B M
Regulation of prolactin and its role in gallinaceous bird reproduction.
The Journal of experimental zoology 1984;232(3):521-9.
1984: El Halawani M E; Silsby J L; Fehrer S C; Behnke E J
Inhibitory influence of catecholamines on prolactin release in the turkey (Meleagris gallopavo).
General and comparative endocrinology 1984;54(3):339-43.
1984: El Halawani M E; Silsby J L; Behnke E J; Fehrer S C
Effect of ambient temperature on serum prolactin and luteinizing hormone levels during the reproductive life cycle of the female turkey (Meleagris gallopavo).
Biology of reproduction 1984;30(4):809-15.
1984: Millam J R; Burke W H; El Halawani M E
Release of gonadotropin-releasing hormone from the Japanese quail hypothalamus in vitro.
General and comparative endocrinology 1984;53(2):293-301.
1983: Fehrer S C; Silsby J L; El Halawani M E
Serotonergic stimulation of prolactin release in the young turkey (Meleagris gallopavo).
General and comparative endocrinology 1983;52(3):400-8.
1983: El Halawani M E; Silsby J L; Fehrer S C; Behnke E J
Effects of estrogen and progesterone on serum prolactin and luteinizing hormone levels in ovariectomized turkeys (Meleagris gallopavo).
General and comparative endocrinology 1983;52(1):67-78.
1983: El Halawani M E; Silsby J L; Fehrer S C; Behnke E J
Reinitiation of ovulatory cycles in incubating female turkeys by an inhibitor of serotonin synthesis, P-chlorophenylalanine.
Biology of reproduction 1983;28(1):221-8.
1980: El Halawani M E; Burke W H; Ogren L A
Age-dependent changes in hypothalamic catecholamine turnover rate following castration in turkeys.
General and comparative endocrinology 1980;42(3):290-6.
1980: Millam J R; Burke W H; El Halawani M E; Ogren L A
Preventing broodiness in turkey hens with a dopamine receptor blocking agent.
Poultry science 1980;59(5):1126-31.
1980: El Halawani M E; Burke W H; Ogren L A
Involvement of catecholaminergic mechanisms in the photoperiodically induced rise in serum luteinizing hormone of Japanese quail (Coturnix coturnix japonica).
General and comparative endocrinology 1980;41(1):14-21.
1980: El Halawani M E; Burke W H; Ogren L A; Millam J R
Developmental changes in the photosensitivity of male turkeys.
General and comparative endocrinology 1980;40(2):226-31.

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