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Comparative Efficacy of Histrelin Acetate and hCG for Inducing Ovulation in Brazilian Northeastern Jennies (Equus africanus asinus)
(2020-09-01)
The goal of this study was to compare the efficiency of histrelin acetate (GnRH analog) and human chorionic gonadotropin (hCG) to hasten ovulation in Brazilian Northeastern jennies (Equus africanus asinus). Thirty cycles ...
Histrelin acetate-induced ovulation in Brazilian Northeastern jennies (Equus asinus) with different follicle diameters
(2019-09-15)
The aim of the present study was to evaluate the efficacy of a GnRH analog for induction of ovulation in Brazilian Northeastern jennies (Equus asinus) with different follicle diameters. Four consecutive estrus of 10 jennies ...
Two hormonal protocols for timed artificial insemination in mares under different residence times of the progesterone intravaginal device
(Hippiatrika Verlag Mbh, 2021-03-01)
The study aimed to evaluate two hormonal protocols for oestrus and ovulation synchronisation for timed artificial insemination (TAI) and their effect on the embryo recovery rate (ERR) in horses. Eleven crossbreed mares ...
Ação regulatória do GnRH no desenvolvimento embrionário precoce e vitrificação de embriões suínos pelo método de microgota
(Universidade Federal de Santa MariaBRMedicina VeterináriaUFSMPrograma de Pós-Graduação em Medicina Veterinária, 2005-05-06)
The objective of this study was to investigate the role of GnRH on the preimplantation development of mouse embryos in vitro. GnRH-I, GnRH-II, and GnRH agonists: Des-Gly, Des-Trp and histrelin did not improve embryo ...
Cholesterol-Loaded Cyclodextrin Addition to Skim Milk-Based Extender Enhances Donkey Semen Cooling and Fertility in Horse Mares
(2021-10-01)
The present study aimed to compare semen parameters and fertility of cooled donkey semen extended in a commercially available skim milk (SKM) based extender and the same extender with cholesterol-loaded cyclodextrin ...
Use of intravaginal progesterone-releasing device results in similar pregnancy rates and losses to long-acting progesterone to synchronize acyclic embryo recipient mares
(2021-09-01)
The objectives of this study were: (1) to assess uterine features and serum progesterone concentrations of acyclic mares synchronized and resynchronized with intravaginal progesterone release device (IPRD), and (2) to ...
Efeito da administração de anticoagulantes sobre a recuperação embrionária de éguas superovuladas
(Universidade Estadual Paulista (Unesp), 2019-10-01)
A superovulação é uma biotécnica utilizada nos programas de transferência de embrião e proporciona diversos benefícios devido ao maior número de ovulações por ciclo. Entretanto, os protocolos superovulatórios na espécie ...