Search Results - "Cumming, I.A"

Feedback effects of the testis on pituitary responsiveness to luteinizing hormone-releasing hormone infusions in the ram by Bremner, W J, Findlay, J K, Lee, V W, de Kretser, D M, Cumming, I A

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FSH in the ewe: effects of season, live weight and plane of nutrition on plasma FSH and ovulation rate by Findlay, J.I, Cumming, I.A

“…The concentrations of FSH (ng NIH-FSH-S6/ml) were measured by specific radioimmunoassay in jugular vein plasmas of 3 groups of ewes fed complete rations of…”
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Radioimmunoassay for luteinizing hormone-releasing hormone (LHRH): its application to the measurement of LHRH in ovine and human plasma by Jonas, H A, Burger, H G, Cumming, I A, Findlay, J K, de Kretser, D M

“…A radioimmunoassay for LHRH, MODIFIED FROM THe assay of Nett et al. (J Clin Endocrinol Metab 36: 880, 1973) and characterized in more detail, was applied to…”
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Luteal function following the infusion of prostaglandin F2a lpha into the uterine vein of the ewe by Chamley, W.A, Cerini, J.C, Cerini, M.E, Cumming, I.A, Goding, J.R, O'Shea, J.D

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Inhibition of fetal growth and survival by testosterone administration to pregnant sheep by Bremner, W J, Cumming, I A

“…Testosterone (as testosterone enanthate, 250 mg i.m. every 2 wk) was administered to pregnant ewes (n = 16), and injections of vehicle were used in 10 control…”
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The time of oestrus and ovulation following various synchronisation techniques using progesterone impregnated intravaginal devices by Cumming, I A, McPhee, S R, Chamley, W A, Folman, Y, Davis, I F

“…Progesterone releasing intravaginal devices (PRIDs) were used in 4 experiments involving 67 cattle to study the effect of the stage of the oestrous cycle and…”
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Pituitary-testicular responses in rams to prolonged infusions of luteinizing hormone-releasing hormone (LHRH) by Bremner, W.J, Findlay, J.K, Cumming, I.A, Hudson, B, De Kretser, D.M

“…Luteinizing hormone releasing hormone (LHRH) was administered to adult rams as constant intravenous infusions lasting 4 to 6 h. Dosages of 0.05, 0.1, 0.5 and…”
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Changes in the levels of progesterone, corticosteroids, estrone, estradiol-17 beta, luteinizing hormone, and prolactin the peripheral plasma of the ewe during late pregnancy and at parturition by Chamley, W.A, Buckmaster, J.M, Cerini, M.E, Cumming, I.A, Goding, J.R, Obst, J.M, Williams, A, Winfield, C

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Constancy of interval between luteinizing hormone release and ovulation in the ewe by Cumming, I.A, Buckmaster, J.M, Blockey, M.A. deB, Goding, J.R, Winfield, C.G, Baxter, R.W

“…To investigate the time relationships between the preovulatory LH peak and ovulation in the ewe, a "short" radioimmunoassay for measuring plasma LH…”
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A heterologous radioimmunoassay for follicle stimulating hormone: application to measurement of FSH in the ovine estrous cycle, and in several other species including man by Salamonsen, L A, Jonas, H A, Burger, H G, Buckmaster, J M, Chamley, W A, Cumming, I A, Findlay, J K, Goding, J R

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Normal duration of the oestrous cycle in ewes with congenital absence of one uterine horn by O'Shea, J D, Lee, C S, Cumming, I A

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Hormonal changes around oestrus in the cow by Nancarrow, C D, Buckmaster, J, Chamley, W, Cox, R I, Cumming, I A, Cummins, L, Drinan, J P, Findlay, J K, Goding, J R, Restall, B J, Schneider, W, Thorburn, G D

“…Abstract only…”
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Secretion of prolactin and luteinizing hormone at oestrus in the ewe by Cumming, I A, Brown, J M, Goding, J R, Bryant, G D, Greenwood, F C

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Effect of progesterone on the release of luteinizing hormone induced by a synthetic gonadotrophin-releasing factor in the ewe by Cumming, I A, Buckmaster, J M, Cerini, J C, Cerini, M E, Chamley, W A, Findlay, J K, Goding, J R

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An explanation for the absence of post-parturient ovulation in the ewe by Chamley, W A, Brown, J M, Cerini, M E, Cumming, I A, Goding, J R, Obst, J M, Williams, A, Winfield, C

“…Abstract only…”
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Luteolysis in the ewe: a study using a radioimmunoassay for prostaglandin F by Cerini, J C, Cain, M D, Chamley, W A, Cumming, I A, Findlay, J K, Goding, J R

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The effect of an ovine LH and a placental protein on the maintenance of the corpus luteum in the ewe by Cerini, M E, Beck, C, Chamley, W A, Cumming, I A, Findlay, J K, Goding, J R

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Plasma LH and FSH in ewes that were either fertile or infertile after long-term grazing of oestrogenic pasture by Rodgers, R J, Clarke, I J, Findlay, J K, Brown, A, Cumming, I A, Muller, B D, Walker, S K

“…The levels of plasma LH and FSH were measured in serial blood samples taken at 15-min intervals for 6 h from ewes that had remained fertile after grazing…”
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Conception rates in cows after various synchronisation techniques using progesterone releasing intravaginal devices by Folman, Y, McPhee, S R, Cumming, I A, Davis, I F, Chamley, W A

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