Výsledky vyhledávání - "F. J. Cunningham"

Differential Changes in Inhibin A, Activin A, and Totalα -Subunit Levels in Granulosa and Thecal Layers of Developing Preovulatory Follicles in the Chicken1

Autor: TM Lovell, Philip G. Knight, F. J. Cunningham, R. T. Gladwell, N. P. Groome

Publikováno v: Endocrinology. 139:1164-1171

Accumulating evidence implicates inhibins and activins as endocrine and local regulators of follicular development in mammals, and it was recently confirmed that inhibin/activin alpha and betaA genes are also expressed in the avian ovary. To investig

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::62f8e4d7a206c401cd126d46027642fd
https://doi.org/10.1210/endo.139.3.5813

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Effects of treatment with melatonin on the response of seasonally anovular ewes to the introduction of rams

Autor: M. Rekik, F. J. Cunningham, M. J. Bryant

Publikováno v: Animal Science. 53:203-207

Sixty-four mature ewes (equal numbers of Bluefaced Leicester ♂ × Swaledale ♀ and Suffolk ♂ × (Bluefaced Leicester ♂ × Swaledale ♀) which had lambed in March were separated from their lambs on 1 fune. They were randomly allocated from bre

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d76f1d3be3c77f9e43620fb87246ffb5
https://doi.org/10.1017/s0003356100020134

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Effect of the introduction of rams on the pulsatile release of luteinizing hormone and the onset of reproductive activity in ewe lambs

Autor: N. Z. N. Al-Mauly, F. J. Cunningham, M. J. Bryant

Publikováno v: Animal Science. 53:209-214

Pre-pubertal ewe lambs were introduced to rams on 17 August (Tl), 12 September (T2) or 10 October (T3) or isolated from rams until 21 December (Tc) (no. = 13). Blood was taken for progesterone assay three times weekly (no. = 13) from 16 July. Blood w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b643b457d6d7544eb055ade5d1169d5f
https://doi.org/10.1017/s0003356100020146

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Diurnal changes in the plasma concentrations of LH and hypothalamic contents of LHRH-I and LHRH-II in the domestic hen

Autor: S. C. Wilson, R. T. Gladwell, F. J. Cunningham

Publikováno v: Journal of Endocrinology. 130:457-462

Diurnal changes of LH secretion in sexually immature hens of 9, 11, 13 and 15 weeks of age consisted of 25–40% increases in the mean concentrations of LH in plasma between 15.00 and 18.00 h, i.e. between 2 h before and 1 h after the onset of darkne

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::78857d5d89dd3f84ccab624baccc68f7
https://doi.org/10.1677/joe.0.1300457

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Differential responses of hypothalamic LHRH-I and -II to castration and gonadal steroid or tamoxifen treatment in cockerels

Autor: S. C. Wilson, R. T. Gladwell, F. J. Cunningham

Publikováno v: Journal of Endocrinology. 125:139-146

Changes in the hypothalamic contents of LHRH-I and LHRH-II were determined in intact and castrated cockerels injected i.m. with gonadal steroids or tamoxifen. An increase in the plasma concentration of LH after castration was accompanied by a signifi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8cd982ec6fb7092b9c0b722351c3836a
https://doi.org/10.1677/joe.0.1250139

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Differential changes in inhibin A, activin A, and total alpha-subunit levels in granulosa and thecal layers of developing preovulatory follicles in the chicken

Autor: T M, Lovell, R T, Gladwell, F J, Cunningham, N P, Groome, P G, Knight

Publikováno v: Endocrinology. 139(3)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::84e2d8562eb575fcb133578c780ce785
https://pubmed.ncbi.nlm.nih.gov/9492051

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The Stimulatory Action of the Glutamate Agonist, N-Methyl-Aspartate, on Luteinizing Hormone Release in the Cockerel with Immunocytochemical Observations on Its Mode of Action

Autor: F. J. Cunningham, R. Gladwell, P. J. Sharp, R. Józsa, A. Mess

Publikováno v: Neuroendocrinology ISBN: 9783642646058

Bolus intravenous injections of 5–40 mg/kg body weight of the glutamate agonist, N-methlyl-aspartate (NMA), induced an immediate increase in the concentration of plasma luteinizing hormone (LH) in juvenile (8–10 week old) cockerels. The concentra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b8e00622f8463a724edadb5b6ea948a2
https://doi.org/10.1007/978-3-642-60915-2_12

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Changes in the hypothalamic contents of LHRH-I and -II and in pituitary responsiveness to synthetic chicken LHRH-I and -II during the progesterone-induced surge of LH in the laying hen

Autor: F. J. Cunningham, R. A. Chairil, S. C. Wilson, R. T. Gladwell

Publikováno v: The Journal of endocrinology. 127(3)

The contents of LHRH-I and -II in the anterior hypothalamus and posterior hypothalamus (including the mediobasal hypothalamus and median eminence) were measured at 90, 180 and 360 min after the i.m. injection of laying hens with progesterone. Whilst

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b743d78bcd83ca6c0f2a84bc57175f19
https://pubmed.ncbi.nlm.nih.gov/2280214

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