FROZEN EMBRYO TRANSFERRING AND PREGNANCY RATE IN DAIRY CATTLE
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Published:
Oct 28, 2020
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Abstract
The report on the pregnancy rate of frozen-thawed bovine embryos in 94 heads of recipient was 52.1%. There was a higher survival rate of cryopreserved embryos in a group of heifer compared to cows (72.9 VS 38.6). The success rate of transferring embryos in Morula stage was higher than Blastocyst and Expanded Blastocyst respectively (64.7, 50.0 and 31.2).
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Research Articles
References
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Lindner, G.N. and Wright, R.W.Jr. (1983). Bovine embryo morphology and evaluation. Theriogenology 20: 407-416.
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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 -169 and -269 °C. Science 178: 411-414.
Wilmut, I. and Rowson, L.E.A. (1973). Experiments on the low-temperature preservation 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 Symposium Montreal. p. 2-39.
Niemann, 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 -169 and -269 °C. Science 178: 411-414.
Wilmut, I. and Rowson, L.E.A. (1973). Experiments on the low-temperature preservation of cow embryos. Vet. Rec. 92: 686.
