Cervical softening in late pregnant sheep by infusion of prostaglandin E-2 into a cervical artery

WL Ledgert, DA Ellwood, MJ Taylor - Reproduction, 1983 - rep.bioscientifica.com
Cervical softening was induced in late pregnant sheep by infusion of PGE-2 into a cervical
artery. The effect of this treatment was assessed by measurement of the extensibility in vitro …

Effect of prostaglandin F2α on uterine or ovarian secretion of prostaglandins E and F2α in vivo in 90–100 day hysterectomized, intact or ovariectomized pregnant ewes

YS Weems, DL Vincent, KD Nusser, Y Tanaka… - Prostaglandins, 1993 - Elsevier
Vehicle or 8 or 16 mg of PGF 2α per 58 kg body weight was given intramuscularly to intact,
hysterectomized or ovariectomized 90–100 day pregnant ewes in three separate …

The mRNA expression of prostaglandin E receptors EP2 and EP4 and the changes in glycosaminoglycans in the sheep cervix during the estrous cycle

CM Kershaw-Young, M Khalid, MR McGowan… - Theriogenology, 2009 - Elsevier
Transcervical artificial insemination in sheep is limited by the inability to completely
penetrate the cervix with an inseminating pipette. Penetration is partially enhanced at estrus …

Follicle-stimulating hormone receptor and its messenger ribonucleic acid are present in the bovine cervix and can regulate cervical prostanoid synthesis

D Mizrachi, M Shemesh - Biology of reproduction, 1999 - academic.oup.com
The hypothesis that FSH regulates the bovine cervical prostaglandin E2 (PGE2) synthesis
that is known to be associated with cervical relaxation and opening at the time of estrus was …

Estrous cycle‐dependent differences in responsiveness to prostaglandins and contractile agents in sheep (Ovis aries) cervical smooth muscle

AF Pereira, LM Melo, SRG Avelar… - Journal of veterinary …, 2007 - Wiley Online Library
We investigated the influence of the phase of the estrous cycle on mechanical responses
elicited in sheep cervix by potassium chloride (KCl), acetylcholine chloride (ACh) …

Effects of progesterone withdrawal on uterine secretion of prostaglandin F2α in response to oxytocin in ewes

MA Kaminski, SH Hayes, WJ Silvia - Reproduction, fertility and …, 1997 - CSIRO Publishing
Two experiments were conducted to determine if withdrawal of progesterone during the
luteal phase of the oestrous cycle affected the ability of the ovine uterus to secrete …

Effects of exogenous progesterone and oestradiol on prostaglandin F and 13, 14-dihydro-15-oxo prostaglandin F2α concentrations in uteri and plasma of …

TM Louis, DM PARRY, JS Robinson… - Journal of …, 1977 - joe.bioscientifica.com
The control of prostaglandin (PG) production by steroid hormones has been investigated in
non-pregnant bilaterally ovariectomized sheep, prepared with indwelling utero-ovarian …

Effects of hormonal manipulation on the resumption of postpartum reproductive activity in Texel ewes

SNM Mandiki, JL Bister, R Paquay - Theriogenology, 1993 - Elsevier
Three experiments were conducted on Texel ewes to study the influence of prostaglandin F
2α (PGF 2α), prolactin (PRL), estradiol (E 2), and gonadotrophin releasing hormone (GnRH) …

Uterine Secretion of Prostaglandin F in Response to Oxytocin in Ewes: Changes during the Estrous Cycle and Early Pregnancy

WJ Silvia, RE Raw, SL Aldrich… - Biology of …, 1992 - academic.oup.com
Experiment 1 was conducted to determine when the ovine uterus develops the ability to
secrete prostaglandin F2α (PGF2α) in response to oxytocin and how development is …

Aspects of the antiluteolytic activity of the conceptus during early pregnancy in ewes

MC Lacroix, G Kann - Journal of Animal Science, 1986 - academic.oup.com
Experiments were undertaken to determine whether the conceptus renders a corpus luteum
resistant to the luteolytic action of prostaglandin F2α (PGF2α), and modulates release of this …