Embryo biotechnologies in sheep: Achievements and new improvements

L Falchi, S Ledda, MT Zedda - Reproduction in domestic …, 2022 - Wiley Online Library
To date, large‐scale use of multiple ovulation and embryo transfer (MOET) programmes in
ovine species is limited due to unpredictable results and high costs of hormonal stimulation …

[HTML][HTML] Non-surgical artificial insemination and embryo recovery as safe tools for genetic preservation in small ruminants

JMG Souza-Fabjan, MEF Oliveira, MPP Guimarães… - animal, 2023 - Elsevier
Artificial insemination (AI) and in vivo embryo production (or multiple ovulation and embryo
transfer, MOET) programs are both instrumental in accelerating the propagation of …

Induction and synchronization of oestrus in sheep and goats

P Skliarov, C Pérez, V Petrusha… - Journal of Central …, 2021 - hrcak.srce.hr
Sažetak Different methods for oestrus induction and synchronization in domestic small
ruminants have been developed. Seasonality and female's status are important factors for …

Transcervical vs. laparotomy embryo collection in ewes: the effectiveness and welfare implications of each technique

JDR Santos, R Ungerfeld, MFA Balaro… - Theriogenology, 2020 - Elsevier
This study assessed animal welfare in ewes subjected to transcervical (TC) or laparotomy
(LP) embryo collection, and the efficiency of these two techniques. Santa Inês ewes (n= 57) …

In vivo embryo production and recovery in lacaune ewes after imposing a superovulation treatment regimen is related to pFSH dose

LM Figueira, NG Alves, JMG Souza-Fabjan… - Animal Reproduction …, 2020 - Elsevier
This study was conducted to assess effects of different doses of pFSH on follicular
recruitment, superovulatory response, ova/embryo recovery, and embryo yield in lactating …

Timing of cleavage divisions determined with time-lapse imaging is linked to blastocyst formation rates and quality of in vitro-produced ovine embryos

K Fryc, A Nowak, B Kij, J Kochan, PM Bartlewski… - Theriogenology, 2021 - Elsevier
Time-lapse (TL) imaging provides a practical and safe tool to constantly monitor the
development of in vitro-derived embryos. TL may help develop novel methods of predicting …

[HTML][HTML] In vitro embryo production in small ruminants: what is still missing?

JMG Souza-Fabjan, GR Leal, CAS Monteiro… - Animal …, 2023 - SciELO Brasil
In vitro embryo production (IVEP) is an extremely important tool for genetic improvement in
livestock and it is the biotechnology that has grown the most recently. However, multiple …

In vitro production of small ruminant embryos: Latest improvements and further research

JMG Souza-Fabjan, RITP Batista… - Reproduction …, 2021 - CSIRO Publishing
This review presents the latest advances in and main obstacles to the application of in vitro
embryo production (IVEP) systems in small ruminants. This biotechnology is an extremely …

Cervical penetration rates and efficiency of non-surgical embryo recovery in estrous-synchronized Santa Inês ewes after administration of estradiol ester (benzoate or …

JF Fonseca, FN Zambrini, JD Guimarães… - Animal reproduction …, 2019 - Elsevier
The effects of estradiol esters, d-cloprostenol and oxytocin on induction of cervical dilation
prior to non-surgical embryo recovery in Santa Inês ewes (Days 6–7 estrous cycle) were …

Preovulatory follicular dynamics, ovulatory response and embryo yield in Lacaune ewes subjected to synchronous estrus induction protocols and non-surgical embryo …

LM Figueira, NG Alves, JMG Souza-Fabjan… - Theriogenology, 2020 - Elsevier
The objective of this study was to assess the effect of the duration of progesterone-based
estrus induction protocols on preovulatory follicular dynamics, ovulatory response, and …