Optimization of a simple vitrification procedure for bovine embryos produced in vitro: effect of developmental stage, two-step addition of cryoprotectant and sucrose …

AR Mahmoudzadeh, A Van Soom, P Bols… - …, 1995 - rep.bioscientifica.com
Experiments were designed to determine optimal conditions for the cryopreservation of
bovine embryos produced in vitro. In Expt 1, embryos were exposed for 1, 3 or 5 min to a …

Effect of cooling and warming rates during cryopreservation on survival of in vitro-produced bovine embryos

S Hochi, E Semple, SP Leibo - Theriogenology, 1996 - Elsevier
The effect of cooling and warming rates during cryopreservation on subsequent embryo
survival was studied in 607 bovine morulae and 595 blastocysts produced by in vitro …

Overall efficiency of in vitro embryo production and vitrification in cattle

G Vajta, P Holm, T Greve, H Callesen - Theriogenology, 1996 - Elsevier
In 5 replicates a total of 719 immature oocytes recovered from 94 slaughterhouse-derived
bovine ovaries were matured and fertilized in vitro, then cultured for 7 to 9 d on a granulosa …

Comparison of the efficacy of conventional slow freezing and rapid cryopreservation methods for bovine embryos

AM Van Wagtendonk-De Leeuw, JHG Den Daas… - Cryobiology, 1995 - Elsevier
Day 7 bovine morulae and early blastocysts were randomly assigned to one of four
cryopreservation methods:(i) a modified conventional controlled slow freezing and stepwise …

Cryopreservation of animal oocytes and embryos: Current progress and future prospects

AA Mandawala, SC Harvey, TK Roy, KE Fowler - Theriogenology, 2016 - Elsevier
Cryopreservation describes techniques that permit freezing and subsequent warming of
biological samples without loss of viability. The application of cryopreservation in assisted …

What is new in the cryopreservation of embryos?

C Alminana, C Cuello - Animal Reproduction (AR), 2018 - animal-reproduction.org
Embryo cryopreservation represents a pivotal tool for the long-term storage and exchange of
valuable genetic resources of livestock and endangered species. The innumerable …

Rapid cryopreservation of sheep embryos by direct transfer into liquid nitrogen vapour at-180 degrees C

A Szell, J Zhang, R Hudson - Reproduction, Fertility and …, 1990 - CSIRO Publishing
The in vitro survival of control and rapidly cryopreserved sheep embryos was examined as a
function of the duration of exposure to a vitrification medium (25% glycerol+ 25% propylene …

Cryopreservation of goat oocytes and in vivo derived 2-to 4-cell embryos using the cryoloop (CLV) and solid-surface vitrification (SSV) methods

I Begin, B Bhatia, H Baldassarre, A Dinnyes, CL Keefer - Theriogenology, 2003 - Elsevier
This study evaluated the efficiency and toxicity of two cryopreservation methods, solid-
surface vitrification (SSV) and cryoloop vitrification (CLV), on in vitro matured oocytes and in …

Analysis of cryoprotectant, cooling rate and in situ dilution using conventional freezing or vitrification for cryopreserving sheep embryos

MC Schiewe, WF Rall, LD Stuart, DE Wildt - Theriogenology, 1991 - Elsevier
Two studies were conducted to evaluate the influence of cryoprotectant, cooling rate,
container and cryopreservation procedure on the post-thaw viability of sheep embryos. In …

Cryopreservation of mammalian oocyte for conservation of animal genetics

JR Prentice, M Anzar - Veterinary medicine international, 2011 - Wiley Online Library
The preservation of the female portion of livestock genetics has become an international
priority; however, in situ conservation strategies are extremely expensive. Therefore, efforts …