The incompletely fulfilled promise of embryo transfer in cattle—why aren't pregnancy rates greater and what can we do about it?

PJ Hansen - Journal of Animal Science, 2020 - academic.oup.com
Typically, bovine embryos are transferred into recipient females about day 7 after estrus or
anticipated ovulation, when the embryo has reached the blastocyst stage of development …

Recent progress in bovine in vitro‐derived embryo cryotolerance: Impact of in vitro culture systems, advances in cryopreservation and future considerations

LB Ferré, ME Kjelland, AM Taiyeb… - … in Domestic Animals, 2020 - Wiley Online Library
Contents Cryopreservation of in vitro‐derived bovine embryos is a crucial step for the
widespread reproduction and conservation of valuable high‐merit animals. Given the …

Embryo competence and cryosurvival: Molecular and cellular features

TV Marsico, J Camargo, RS Valente… - Animal Reproduction, 2019 - SciELO Brasil
Global cattle genetic market is experiencing a change of strategy, large genetic companies,
traditionally recognized in the artificial insemination field, have also begun to operate in the …

Efficient one-step direct transfer to recipients of thawed bovine embryos cultured in vitro and frozen in chemically defined medium

E Gómez, S Carrocera, D Martín, JJ Pérez-Jánez… - Theriogenology, 2020 - Elsevier
Direct transfer (DT) of cryopreserved embryos to recipients facilitates on-farm application.
We analyzed a new freezing/thawing (F/T) procedure for in vitro produced (IVP) embryos …

Basic and applied features in the cryopreservation progress of bovine embryos

RS Valente, TV Marsico, MJ Sudano - Animal Reproduction Science, 2022 - Elsevier
The expansion of the use of in vitro production techniques has revolutionized the bovine
embryo market. In the last decade, we have seen the number of in vitro produced (IVP) …

Transvaginal ultrasound‐guided oocyte retrieval in cattle: State‐of‐the‐art and its impact on the in vitro fertilization embryo production outcome

LB Ferré, H Alvarez‐Gallardo, S Romo… - … in Domestic Animals, 2023 - Wiley Online Library
Transvaginal ultrasound‐guided oocyte retrieval (commonly called OPU) and in vitro
embryo production (IVP) in cattle has shown significant progress in recent years, in part, as a …

Intensive use of IVF by large-scale dairy programs

BV Sanches, AF Zangirolamo, MM Seneda - Animal Reproduction, 2019 - SciELO Brasil
The number of embryos produced by in vitro fertilization (IVF) has grown exponentially in
recent years. Recently, for the first time, the number of embryos produced and transferred in …

Update on the vitrification of bovine oocytes and in vitro-produced embryos

T Mogas - Reproduction, Fertility and Development, 2019 - CSIRO Publishing
The combined use of reproductive technologies, such as transvaginal ovum-pick up and in
vitro embryo production followed by direct transfer of cryopreserved embryos, has great …

[HTML][HTML] Evolution of knowledge on ovarian physiology and its contribution to the widespread application of reproductive biotechnologies in South American cattle

RJ Mapletoft, GA Bó, PS Baruselli… - Animal …, 2018 - ncbi.nlm.nih.gov
As our understanding of ovarian function in cattle has improved, our ability to control it has
also increased. Luteal function in cattle has been studied in detail, and prostaglandin F2α …

Vitrification improves in-vitro embryonic survival in Bos taurus embryos without increasing pregnancy rate post embryo transfer when compared to slow-freezing: A …

U Arshad, M Sagheer, FB Gonzalez-Silvestry… - Cryobiology, 2021 - Elsevier
Objectives were to use meta-analytic approaches to compare slow-freezing (SF) and
vitrification (VF) methods of cryopreservation on in-vitro (n= 12,211) and in-vivo (n= 3473) …