FROZEN EMBRYO TRANSFERRING AND PREGNANCY RATES IN DAIRY CATTLE
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Published:
Oct 29, 2020
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Abstract
The report on the pregnancy rates of frozen-thawed bovine embryos in 94 heads of recipient was 52.1%. There was a higher survival rates of cryopreserved embryos in a group of heifer compared to cows (72.9 vs 38.9). The success rates of transferring embryo in morula stage was higher than blastocyst and expand blastocyst respectively (64.7, 50.0 and 31.2).
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Research Articles
References
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Whittingham, D.G., Leibo, S.P. and Mazur, P. (1972). Survival of mouse embryos to -196 and-269 °C. Science 178: 411-414.
Wilmut, I. and Rowson, L, E, A. (1973). Experiments on the low-temperaturepreservation of cow embryos. Vet. Rec. 92, 686.
Lindner, G.N. and Wright, R.W. Jr. (1983). Bovine embryo morphology and evaluation Theriogenology 20: 407-416.
Mapletoft, R.J. (1987). The technology of embryo transfer. In: International Embryo Movement Proceeding of a Symphosium Montreal, p. 2-39.
Neimann, H. (1985). Sensitivity of pig morulae to DMSO/PVP or glycerol treatment and cooling to 10 °C. Theriogenology 23: 213
Renard, J.P., Y., Leymarie, P. and Plat, J.C. (1983). Sucrose dilution: A Technique for field transfer of bovine embryo frozen in the straw-Theriogenology 19: 145.
Whittingham, D.G., Leibo, S.P. and Mazur, P. (1972). Survival of mouse embryos to -196 and-269 °C. Science 178: 411-414.
Wilmut, I. and Rowson, L, E, A. (1973). Experiments on the low-temperaturepreservation of cow embryos. Vet. Rec. 92, 686.
