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Time interval from ovulation to extrusion in female bullfrog in different photoperiods
(Sociedade Brasileira de Zootecnia, 2011-08-01)
It was analyzed in this work the influence of photoperiod on time interval from ovulation induction period to extrusion of ovocits in female bullfrogs (Lithobates catesbeianus). It was used 54 females reared from metamorphosis ...
Recombinant LH supplementation to recombinant FSH during induced ovarian stimulation in the GnRH-antagonist protocol: A meta-analysis
(2007-01-01)
This study aims to compare the efficacy of recombinant LH (rLH) supplementation for ovarian stimulation in gonadotrophin-releasing hormone-antagonist protocol for IVF/intracytoplasmic sperm injection cycles. Search strategies ...
Superovulation in Cycling Mares Using Equine Follicle Stimulating Hormone (eFSH)
(2003-11-01)
Superovulation would potentially increase the efficiency and decrease the cost of embryo transfer by increasing embryo collection rates. Other potential clinical applications include improving pregnancy rates from frozen ...
Differential response of the luteal phase and fertility in cattle following ovulation of the first-wave follicle with human chorionic gonadotropin or an agonist of gonadotropin-releasing hormone
(Amer Soc Animal Science, 1996-05-01)
A series of experiments with Holstein heifers was conducted to develop the capability of inducing accessory corpus luteum (CL) with a GnRH agonist (Buserelin, 8 mu g; GnRHa) or hCG; (3,000 IU) to increase plasma progesterone ...
Ovarian superstimulatory response and embryo production in mares treated with equine pituitary extract twice daily
(Elsevier B.V., 2001-09-15)
Equine pituitary extract (EPE), has been reported to induce multiple ovulation in mares, however ovulation rates are poor in comparison to those obtained in other species. Attempts to improve the effectiveness of EPE for ...
Locus no cromossomo 19 influencia positivamente o número de oócitos recuperados em ciclos estimulados
(2011-05-01)
Objective: To evaluate if identified loci associated with normal age of menopause variation and early menopause can account for the poor response to controlled ovarian stimulation. Methods: A total of 71 patients, with age ...
Increased implantation and pregnancy rates obtained by placing the tip of the transfer catheter in the central area of the endometrial cavity
(2004-10-01)
The influence of endometrial cavity length (ECL) on implantation and pregnancy rates after 400 embryo transfers was studied prospectively in a population with the indication of IVF/intracytoplasmic sperm injection (ICSI). ...
Sincronização do estro e da ovulação utilizando protocolos de curta duração durante a pré- estação reprodutiva em ovelhas Suffolk
(2009-12-01)
This study was carried out with the objective of examining the effect of the short-term estrus synchronization protocol. Ewes were divided in four groups: Control Group (MAP sponges for 12 days, and eCG at withdrawal); ...
Successful birth after intrafallopian transfer of microhatched embryos
(Amer Soc Reproductive Medicine, 1997-08-01)
Objective: To present a successful transfer of microhatched embryos to the fallopian tubes via microlaparoscopy.Design: Case report.Setting: Private practice affiliated with a medical university.Patient: A 40-year-old woman ...