… and estradiol-17fi (referred to in this paper as estradiol) roles in … (8) and low levels of estradiol
suppress the magnitude of these … After luteal regression in the ewe, the dec'tine in plasma …

… portal blood and luteinizing hormone release in intact, castrated … effect of estrogen on
gonadotropin-releasing hormone-… luteinizing hormone release in monolayer cultures of rat and …

… of estradiol (E 2 ), progesterone (P 4 ) and luteinizing hormone (LH). Cows were synchronized
to estrus using a combination of Buserelin (GnRH, 8 ug) and prostaglandin F 2α (PGF 2α , …

… inhibits pituitary luteinizing hormone secretion in an estradiol-… pulse frequency is
amplified by low levels of 173-estradiol … of luteinizing hormone pulses and circulating 173estradiol …

… in radioimmunoassay techniques for protein hormones and steroid hormones has allowed
the precise determination of oestradiol-17/?, progesterone and luteinizing hormone (LH) in …

… In most bitches the highest plasma estradiol-17β concentration coincided with or followed
… profiles of estradiol-17β and LH suggests a positive feedback effect of estradiol-17β on LH …

… The objective of the present study was to determine the ability of 17β-estradiol (E 2 ) and …
secretion of LH and to determine the role of estradiol receptors (ERs) and ER subtypes (ERα, …

… of progesterone, oestradiol-17β, follicle-stimulating hormone (FSH) and luteinizing hormone
(LH), … Concentrations of oestradiol-17β, as measured by radioimmunoassay, were within the …

… assigned to one of five estradiol-17β treatment groups (Doses … cow was given an injection
of estradiol-17β (500 μg im, in a … periods for quantification of luteinizing hormone (LH). Cows …

… Changes in the plasma concentration of oestradiol-17P, progesterone, luteinizing hormone
(… of estradiol and luteinizing hormone releasing hormone on follicle stimulating hormone …