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Optimization of a 5-day fixed-time embryo transfer (FTET) protocol in heifers I. Manipulation of circulating progesterone through reutilization of intravaginal progesterone devices during FTET

Autor: L. F. Melo, L. C. Carrenho-Sala, Jessica Cristina Lemos Motta, L. Leffers-Neto, J. F. Moreno, A. Garcia-Guerra, M. Fosado, R. V. Sala, Pietro Sampaio Baruselli, Milo C. Wiltbank

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

The objectives of the present study were to: 1) compare the reproductive efficiency of embryo transfer (ET) recipients after synchronization of estrus or a 5-day synchronization of ovulation protocol for fixed time ET (FTET), and 2) determine the eff

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0727bf14817e77d50493ba59e9a15888
https://pubmed.ncbi.nlm.nih.gov/32755716

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140 Effect of hCG on the last day of the 5-d CIDR-Synch and/or on day 5 of the estrous cycle on luteal dynamics in recipient Holstein heifers

Autor: José de Souza, Marcelo Siqueira El Azzi, J.P.N. Martins, Teresita Valdes Arciniega, Everardo Anta Galvan, Iago Leão, R. V. Sala, Meliton Fosada

Publikováno v: J Anim Sci

The objective was to determine the effect of hCG (3,300 IU) administered on days 0 and/or 5 of the estrous cycle on total luteal area (TLA) and circulating concentrations of progesterone (P4) in recipient heifers. All heifers (n = 232; BCS = 3.3 ± 0

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f9dbb286ace1831accc6924974f1844b
https://doi.org/10.1093/jas/skaa278.207

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200 Improving efficiency of embryo transfer (ET) programs by optimizing fertility and management of recipients

Autor: L. C. Carrenho-Sala, J. F. Moreno, R. V. Sala, Meliton Fosada, A. Garcia-Guerra, Milo C. Wiltbank

Publikováno v: J Anim Sci

Multiple experiments were performed to optimize efficiency and fertility in recipients of fresh in vitro produced (IVP) embryos. In experiment 1, heifers (n = 520) were synchronized and received an embryo on d 6–8 after estrus or 6–8 d after GnRH

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a13ba88f8bb3a4c448564cb17aec0b45
https://europepmc.org/articles/PMC6666853/

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125 Influence of length of porcine follicle-stimulating hormone (p-FSH) treatment before ovum pickup on ovarian response and invitro embryo production in Holstein heifers

Autor: V. C. Fricke, Jessica Cristina Lemos Motta, J. F. Moreno, D. C. Pereira, V. A. Absalón-Medina, B. J. Duran, R. V. Sala, C. Hayden, M. Dominguez, E. R. Canadas, A. Garcia-Guerra

Publikováno v: Reproduction, Fertility and Development. 33:170

Ovarian follicle stimulation with exogenous FSH before ovum pickup (OPU) in Bos taurus females is a common practice to increase invitro embryo production (IVP). The optimal stimulatory period length for OPU-IVP, however, has not been definitively asc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ce184fa085d676a227bf6877bf871f24
https://doi.org/10.1071/rdv33n2ab125

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176 Synchronisation of follicle wave emergence prior to superstimulation with purified FSH for ovum pickup affects blastocyst rate in pregnant Holstein heifers

Autor: J. F. Moreno, L. C. Carrenho-Sala, D. Moreno, M. Fosado, E. Peralta, R. V. Sala, A. Garcia-Guerra, D. C. Pereira

Publikováno v: Reproduction, Fertility and Development. 32:215

The timing of initiation of superstimulatory treatments relative to follicle wave emergence has been shown to affect ovulatory response and invivo embryo production. The significant increase of invitro embryo production (IVP) and the possibility of u

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::73528c9803979eba4c821af58450368d
https://doi.org/10.1071/rdv32n2ab176

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104 SOFaaci-HEPES or holding media can be used for embryo loading without changes in pregnancies per embryo transfer nor pregnancy loss in an invitro-produced embryo transfer program

Autor: J. F. Moreno, R. V. Sala, A. Garcia-Guerra, M. Fosado, D. Moreno, L. C. Carrenho-Sala, D. C. Pereira

Publikováno v: Reproduction, Fertility and Development. 32:178

Time elapsed between removal from culture and embryo transfer (ET) can have a profound effect on the success of an invitro-produced (IVP) ET program. The embryo culture medium provides the necessary nutrients for embryo development and the use of med

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e1e4d0b4bb454c8220621a3e48faae9e
https://doi.org/10.1071/rdv32n2ab104

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109 Effect of ruminal infusion with propylene glycol on the invitro embryo production of Holstein (Bos taurus) prepubertal heifers and pregnancy rate of the embryo transfer

Autor: P. S. Baruselli, R. V. Sala, Bruna Lima Chechin Catussi, Flávia Morag Elliff, R. D. Tosta, J. Ziemer, D. Kendall, D. C. Pereira, E. Adelsberger, J. F. Moreno

Publikováno v: Reproduction, Fertility and Development. 32:181

The aim of this study was to evaluate the effect of ruminal infusion with propylene glycol (PG) on the in vitro embryo production (IVEP) of Holstein (Bos taurus) prepubertal heifers (7 to 8 months). For this study, 16 prepubertal heifers were distrib

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ce22df89c8d6bcef4928083c0ec9a292
https://doi.org/10.1071/rdv32n2ab109

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105 Optimization of a five-day fixed-time embryo transfer program in dairy heifers: Use of gonadotrophin-releasing hormone at initiation of the protocol

Autor: J. F. Moreno, V. A. Absalon-Medina, A. Garcia-Guerra, M. Fosado, L. C. Carrenho-Sala, A. Lopez, R. V. Sala, Milo C. Wiltbank

Publikováno v: Reproduction, Fertility and Development. 32:179

Optimized fixed-time embryo transfer (FTET) protocols for synchronization of recipients have the potential to improve the overall efficiency and profitability of embryo transfer (ET) programs. The objective of the present study was to evaluate the ef

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::26757a807c738492da583560cced4a48
https://doi.org/10.1071/rdv32n2ab105

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