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Neuroendocrinology | 1973

Release of Luteinizing Hormone by Oestradiol-17β and a Gonadotrophin-Releasing Hormone in Ewes Affected with Clover Disease

John K. Findlay; Joan M. Buckmaster; W.A. Chamley; I. A. Cumming; Helen Hearnshaw; J. R. Goding

Sheep grazing the oestrogenic varieties of subterranean clover ( Trifolium subterraneum L.) exhibit an irreversible loss in fertility that has been associated with changes in the mec


Neuroendocrinology | 1972

Effect of Progesterone on the Release of Luteinizing Hormone Induced by a Synthetic Gonadotrophin-Releasing Factor in the Ewe

I. A. Cumming; Joan M. Buckmaster; J.C. Cerini; Mildred E. Cerini; W.A. Chamley; John K. Findlay; J. R. Goding

A synthetic decapeptide (Gn-RH) structurally identical to ‘ovine LH-releasing hormone’ was given by intra-carotid infusions (0, 0.5 and 1.5 µ g/h for 3 h) to two groups of ewes late


Reproduction | 1976

Regulation of gonadotrophin secretion in rams from birth to sexual maturity

V. W. K. Lee; I. A. Cumming; David M. de Kretser; Jock K. Findlay; B. Hudson; E. J. Keogh


Endocrinology | 1973

A Heterologous Radioimmunoassay for Follicle-Stimulating Hormone: Application to Measurement of FSH in the Ovine Estrous Cycle and in Several Other Species Including Man1

Lois A. Salamonsen; Helen A. Jonas; H. G. Burger; Joan M. Buckmaster; W.A. Chamley; I. A. Cumming; Jock K. Findlay; J. R. Goding


Biology of Reproduction | 1973

Changes in the Levels of Progesterone, Corticosteroids, Estrone, Estradiol-17 β, Luteinizing Hormone, and Prolactin in the Peripheral Plasma of the Ewe During Late Pregnancy and at Parturition

W.A. Chamley; Joan M. Buckmaster; Mildred E. Cerini; I. A. Cumming; J. R. Goding; J. M. Obst; A. Williams; C. Winfield


Endocrinology | 1980

Feedback Effects of the Testis on Pituitary Responsiveness to Luteinizing Hormone-Releasing Hormone Infusions in the Ram

William J. Bremner; Jock K. Findlay; V. W. K. Lee; David M. de Kretser; I. A. Cumming


Endocrinology | 1975

Radioimmunoassay for luteinizing hormone-releasing hormone (LHRH): its application to the measurement of LHRH in ovine and human plasma

Helen A. Jonas; Henry G. Burger; I. A. Cumming; John K. Findlay; David M. de Kretser


Journal of Endocrinology | 1972

THE EFFECT OF PROSTAGLANDIN F2α ON PROGESTERONE, OESTRADIOL AND LUTEINIZING HORMONE SECRETION IN SHEEP WITH OVARIAN TRANSPLANTS

W.A. Chamley; Joan M. Buckmaster; M.D. Cain; J.C. Cerini; Mildred E. Cerini; I. A. Cumming; J. R. Goding


Endocrinology | 1974

Effect of Pregnancy on the LH Response to Synthetic Gonadotropin-Releasing Hormonein the Ewe

W.A. Chamley; John K. Findlay; I. A. Cumming; Joan M. Buckmaster; J. R. Goding


Reproduction | 1974

EFFECT OF PREGNANCY ON THE FSH RESPONSE TO SYNTHETIC GONADOTROPHIN-RELEASING HORMONE IN EWES

W.A. Chamley; Jock K. Findlay; Helen Jonas; I. A. Cumming; J. R. Goding

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