Index Catalog // ScholarsArchive@OSU

Gonadotropin releasing hormone-induced secretion of luteinizing hormone during the milk ejection reflex in the postpartum beef cow

Creator:: Jaeger, John Ralph
Abstract:: A study was conducted to determine the effect of the milk ejection reflex on exogenous gonadotropin releasing hormone (GnRH)- induced release of luteinizing hormone (LH) after short term calf removal. Twenty-four postpartum multiparous beef cows were assigned 3 randomly to groups arranged in a 2[superscript 3] factorial design to be...
Resource Type:: Masters Thesis
Full Text:: Title: GONADOTROPIN RELEASING HORMONE-INDUCED SECRETION OF LUTEINIZING HORMONE DURING THE MILK EJECTION

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

Creator:: Whitmore, Diana L.
Resource Type:: Masters Thesis
Full Text:: Releasing Hormone Pituitary Hormones 38 Luteinizing Hormone 40 Follicle Stimulating Hormone 43

Cellular mechanisms of altered bovine luteal function in response to exogenous gonadotropin-releasing hormone

Creator:: Bertrand, Jennifer Elaine
Abstract:: To determine whether membrane-related events may be involved in attenuated luteal function after gonadotropin-releasing hormone (GnRH) administration, corpora lutea (CL) were removed from 10 beef heifers on day 7 of the estrous cycle after i.v. injection of GnRH or saline on day 2 of the cycle. Luteal slices were incubated...
Resource Type:: Dissertation
Full Text:: response to exogenous gonadotropin-releasing hormone AN ABSTRACT OF THE THESIS OF Jennifer Elaine

Applications of GnRH immunization in domestic dogs

Creator:: Donovan, Caitlin Elizabeth
Abstract:: Reproductive function in the dog is controlled by feedback mechanisms that involve the hypothalamus, the anterior pituitary gland, and the gonads. Surgical gonad removal, a common procedure performed in dogs for the purposes of sterilization, disrupts the hypothalamic-pituitary-gonadal (HPG) axis and results in permanently elevated concentrations of gonadotropins. Manipulation of...
Resource Type:: Masters Thesis
Full Text:: HPG axis via gonadotropin releasing hormone (GnRH) immunization results in the synthesis of GnRH

Modifying the Hormone Strategy for Superovulating Donor Cows to Reduce Drug Costs without Decreasing the Number of High Quality Transferable Embryos Recovered

Creator:: Gomes, Maria K.
Abstract:: Two research projects comprise this thesis. The first project investigated modifying the hormone dosing strategy traditionally used in superovulating donor cows for an embryo collection to decrease drug costs without decreasing the number of high quality, transferable embryos recovered. The objective of this project was to evaluate the number and...
Resource Type:: Masters Thesis
Full Text:: ), and a greater dose of the hypothalamic releasing hormone, gonadotropin releasing hormone (GnRH

Plasma membrane composition and luteinizing hormone receptors of ovine corpora lutea during early pregnancy

Creator:: Zelinski, Mary Beth
Abstract:: The lipid composition of plasma membranes of corpora lutea was examined to determine whether changes in this organelle occur during regression and early pregnancy in the ewe. Forty ewes were assigned to be necropsied on days 13 or 15 of the estrous cycle (D13-NP and D15-NP) or pregnancy (D13-P and...
Resource Type:: Dissertation
Full Text:: Plasma membrane composition and luteinizing hormone

Studies on luteinizing hormone and gonadal steroids in male and female llamas (Lama glama)

Creator:: Reed, Pamela J.
Abstract:: A series of studies was performed to more clearly evaluate gonadal function in llamas. Luteinizing hormone (LH) and progesterone (P₄) concentrations were compared following natural or hormone-induced ovulation. Luteal regression was evaluated following administration of the prostaglandin F₂α analog cloprostenol. The interaction of age, season and castration on testosterone (T)...
Resource Type:: Dissertation
Full Text:: Studies on luteinizing hormone and gonadal steroids in male

Central control of locomotor activity in juvenile salmonids : the role of corticotropin releasing hormone in the brain

Creator:: Clements, Shaun
Abstract:: The present study investigated the neurocrine and neuroendocrine control of locomotor activity, habitat choice, social behavior, and migratory behavior in juvenile chinook salmon (Oncorhynchus tshawytscha). This was achieved by the manipulation of three neurotransmitter systems; serotonin (5-HT), dopamine (DA), y-amino-n-butyric acid (GABA) and the neuropeptide corticotropin-releasing hormone (CRH). Chemicals were...
Resource Type:: Dissertation
Full Text:: Locomotor Activity in Juvenile Salmonids: The Role of Corticotropin Releasing Hormone in the Brain

Secretion of luteinizing hormone in response to exogenous melatonin in postpartum beef cows and ovariectomized beef heifers

Creator:: Sucheta, Susan Leers
Resource Type:: Dissertation
Full Text:: Secretion of luteinizing hormone in response to exogenous

Canine LH Receptors Expression in Non-neoplastic and Neoplastic Tissues

Creator:: Zwida, Khawla
Abstract:: Throughout most of the developed world, surgical sterilization via gonadectomy has become a common tool for combating the overpopulation of unwanted dogs as well as to eliminate the risk of reproductive diseases in pet dogs. In the dog as in other normal adult mammal, the hypothalamus secretes gonadotropin-releasing hormone (GnRH),...
Resource Type:: Masters Thesis
Full Text:: - releasing hormone (GnRH), which stimulates the anterior pituitary gland to release luteinizing hormone

ScholarsArchive@OSU

Gonadotropin releasing hormone-induced secretion of luteinizing hormone during the milk ejection reflex in the postpartum beef cow

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

Cellular mechanisms of altered bovine luteal function in response to exogenous gonadotropin-releasing hormone

Applications of GnRH immunization in domestic dogs

Modifying the Hormone Strategy for Superovulating Donor Cows to Reduce Drug Costs without Decreasing the Number of High Quality Transferable Embryos Recovered

Plasma membrane composition and luteinizing hormone receptors of ovine corpora lutea during early pregnancy

Studies on luteinizing hormone and gonadal steroids in male and female llamas (Lama glama)

Central control of locomotor activity in juvenile salmonids : the role of corticotropin releasing hormone in the brain

Secretion of luteinizing hormone in response to exogenous melatonin in postpartum beef cows and ovariectomized beef heifers

Canine LH Receptors Expression in Non-neoplastic and Neoplastic Tissues

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