Differences in amniotic amino acid concentrations between pregnancies obtained with transfer of vitrified thawed in vitro–produced embryos and with natural mating in sheep

Nieddu, Stefano; Mossa, F.; Strina, Alessandro; Ariu, Federica; Pau, Salvatore; Ledda, M.; Sotgia, Salvatore; Carru, Ciriaco; Ledda, Sergio

doi:10.1016/j.theriogenology.2014.11.002

Cited by 6 publications

(2 citation statements)

References 35 publications

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“…According to Nieddu et al, (2015) it is probable that, with a severe nutritional restriction, with 0.6 of energy requirements for maintenance during the first 100 days of gestation, the number of antral follicles decreases in undernourished mothers.…”

Section: Discussionmentioning

confidence: 99%

Effect of the Strategic Supplementation for Producing Embryos of Native Hartón del Valle Heifers

Riascos-Vallejos¹,

Reyes-González

Medina-Mesa³

et al. 2021

American Journal of Animal and Veterinary Sciences

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Section: Discussionmentioning

confidence: 99%

Effect of the Strategic Supplementation for Producing Embryos of Native Hartón del Valle Heifers

Riascos-Vallejos¹,

Reyes-González

Medina-Mesa³

et al. 2021

American Journal of Animal and Veterinary Sciences

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“…According to Tveden-Nyborg et al [26], IVP sheep embryos are characterized by a slower developmental rate with detrimental effects in placentation, increasing fetal loss, and lowering lambing rates. Moreover, vitrified/warmed IVP sheep embryos presented decreased concentrations of individual amino acids in the amniotic fluid during the second trimester of gestation possibly due to an impaired placental vasculogenesis and/or to a reduced placental transport [27]. In summary, there are a vast number of variables that could potentially influence the outcome of cryopreservation and more studies are urgently needed to improve its success.…”

Section: Introductionmentioning

confidence: 99%

Cryopreservation of Sheep Produced Embryos – Current and Future Perspectives

Romão¹,

Marques²,

Bettencourt³

et al. 2016

Insights From Animal Reproduction

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Due to economical and scientific limitations, sheep embryo reproductive technologies are less commercially applied than in other animal species. However, it is very clear that, in the near future, those techniques are expected to have a central role in animal production as a consequence of genetic and reproductive demands. One drawback is that results obtained after sheep embryo cryopreservation are unattractive for commercial purposes. It is expected that a successful cryopreservation of sheep embryos can push forward all other reproductive biotechnologies in this species, such as multiple ovulation and embryo transfer (MOET), artificial insemination, or in vitro production of embryos. This paper tries to discuss the current and future perspectives of cryopreservation of in vivo-and in vitro-produced sheep embryos concerning advantages and limitations for its practical use and possible solutions for improving methods to allow a higher survival rate of cryopreserved embryos.

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Amniotic fluid l-ergothioneine concentrations in pregnant sheep after natural mating and transfer of vitrified/thawed in-vitro produced embryos

Sotgia

Zinellu

Arru

et al. 2015

Research in Veterinary Science

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Differences in amniotic amino acid concentrations between pregnancies obtained with transfer of vitrified thawed in vitro–produced embryos and with natural mating in sheep

Cited by 6 publications

References 35 publications

Effect of the Strategic Supplementation for Producing Embryos of Native Hartón del Valle Heifers

Effect of the Strategic Supplementation for Producing Embryos of Native Hartón del Valle Heifers

Cryopreservation of Sheep Produced Embryos – Current and Future Perspectives

Amniotic fluid l-ergothioneine concentrations in pregnant sheep after natural mating and transfer of vitrified/thawed in-vitro produced embryos

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