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Corpus luteum function in hysterectomized and unilaterally hysterectomized ewes treated with gonadotropin-releasing hormone

Creator:: Whitmore, Diana L.
Resource Type:: Masters Thesis
Full Text:: Hysterectomized Ewes Treated with Gonadotropin-Releasing Hormone AN ABSTRACT OF THE THESIS OF Diana L. Whitmore

Physiological factors affecting ovine uterine estrogen and progesterone receptor concentrations

Creator:: Prater, Patrice L.
Abstract:: Two experiments were conducted to determine whether in ewes uterine concentrations of estrogen and progesterone receptors are affected by the presence of a conceptus or by the hormonal milieu associated with extremes in photoperiod to which ewes are exposed. In Exp.1, nine mature ewes were unilaterally ovariectomized by removing an...
Resource Type:: Masters Thesis
Full Text:: progesterone receptor concentrations AN ABSTRACT OF THE THESIS OF Patrice L. Prater for the degree of Master

Response of the bovine corpus luteum to exogenous gonadotropin-releasing hormone during the estrous cycle

Creator:: Martin, Teri L.
Abstract:: Two experiments were conducted to investigate the effects of gonadotropin-releasing hormone (GnRH), administered twice during the same estrous cycle, on bovine luteal function. Eight mature beef cows, each cow serving as her own control, were injected intravenously (i.v.) with saline on days 2 and 8 of the cycle (day of...
Resource Type:: Masters Thesis
Full Text:: gonadotropin-releasing hormone during the estrous cycle AN ABSTRACT OF THE THESIS OF Teri L. Martin for the

Pituitary and uterine control of ovarian function in the gilt and ewe

Creator:: Chakraborty, Prabir Kumar, 1936-
Abstract:: The role of the pituitary gland and uterus in regulating ovarian function in the estradiol-treated gilt and ewe was investigated in two experiments. Pituitary gonadotropin content, ovarian follicular development and corpus luteum function were studied following daily intramuscular injection of seven gilts with 7 mg of 17β-estradiol from day 11...
Resource Type:: Dissertation
Full Text:: 7 FICi of uniformly labelled L-leucine-14C. The tissue was homogenized in 0.05% Na2EDTA

Some effects of estradiol on ovine luteal function

Creator:: Akbar, Abulfatah Maqsood, 1938-
Abstract:: Some effects of 171β-estradiol on ovine luteal function were studied in five experiments. Estradiol injected into ewes on days 11 and 12 of the estrous cycle caused luteal regression in both intact and unilaterally hysterectomized ewes indicating that the presence of one uterine horn permits estradiol to cause luteolysis comparable...
Resource Type:: Dissertation
Full Text:: ., 1960; Anderson, Butcher and Melampy, 1961, 1963), ewe and cow (Wiltbank and Casida, 1956) upon removal

Intrauterine migration of the porcine embryo

Creator:: Pope, William Frederick
Abstract:: The mechanism(s) involved with intrauterine migration of the porcine embryo was investigated. Twenty-four gilts on Days 6, 9 and 12 of gestation (Day 0 = 1st day of estrus) were utilized to examine the relationship between myometrial activity and intrauterine migration. On Day 2, embryos were flushed from one oviduct...
Resource Type:: Dissertation
Full Text:: funding for this coopera- tive agreement between Oregon State University, Corvallis, and Roman L. Hruska

Some aspects of the mechanism of estrogen action in the uterus of the ewe

Creator:: Koligian, Karl Bruce
Abstract:: The binding of estrogen to endometrium and uterine arteries of the ewe was investigated by use of a [³H]estradiol exchange assay and by incubating whole tissue aliquants with [³ H]estradiol, a method which permits quantification of bound estrogen translocated from the cytoplasm to the nucleus. Five ewes were necropsied on...
Resource Type:: Dissertation
Full Text:: Date thesis is presented June 2, 1977 Typed by Deanna L. Cramer for Karl Bruce Koligian

Embryonic and hormonal control of ovine uterine arterial constriction

Creator:: Pope, William Frederick
Abstract:: The role of the conceptus and ovarian hormones in regulating ovine uterine vasoconstriction was investigated. The uterine artery ipsilateral to the ovary bearing the corpus luteum in ten nonpregnant and eight pregnant ewes was utilized in two experiments. Arteries of nonpregnant and pregnant ewes were removed at necropsy on day...
Resource Type:: Masters Thesis
Full Text:: conducted by Greiss and Anderson (1969). These researchers observed rhythmic changes in blood flow to the

Some ovarian characteristics of the postpartum rabbit

Creator:: Gjesvold, James Allen
Abstract:: The effects of suckling on several ovarian characteristics were studied in postpartum rabbits. Ovarian weight was found to be significantly greater in rabbits suckled for twelve days than in nonsuckled rabbits autopsied at a similar interval postpartum or in a third group autopsied at parturition. There were no significant differences...
Resource Type:: Masters Thesis
Full Text:: pregnant and postparturient rabbit. Journal of Endocrinology 40:101-105. Anderson, L. L. , K. P. Bland and

Gonadotropin releasing hormone-induced alteration of corpus luteum function in beef heifers

Creator:: Rodger, Lynn Dian
Abstract:: Two experiments were conducted to evaluate the effects of gonadotropin releasing hormone (GnRH) on the function of the bovine corpus luteum during the estrous cycle. In Experiment 1, 10 heifers were assigned randomly into two groups with each heifer serving as her own control. Heifers in Group I (n=5) were...
Resource Type:: Masters Thesis
Full Text:: and Hansel, 1959; Hansel and Wagner, 1960; Anderson and Bowerman, 1963; Anderson et al., 1965; Black

ScholarsArchive@OSU

Corpus luteum function in hysterectomized and unilaterally hysterectomized ewes treated with gonadotropin-releasing hormone

Physiological factors affecting ovine uterine estrogen and progesterone receptor concentrations

Response of the bovine corpus luteum to exogenous gonadotropin-releasing hormone during the estrous cycle

Pituitary and uterine control of ovarian function in the gilt and ewe

Some effects of estradiol on ovine luteal function

Intrauterine migration of the porcine embryo

Some aspects of the mechanism of estrogen action in the uterus of the ewe

Embryonic and hormonal control of ovine uterine arterial constriction

Some ovarian characteristics of the postpartum rabbit

Gonadotropin releasing hormone-induced alteration of corpus luteum function in beef heifers

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