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- Title
Evaluation of in vitro production efficiency of dairy cow sex control embryos.
- Authors
Chu, F. H.; Chen, Y. H.; Liou, J. F.; Chen, L. R.
- Abstract
Artificial reproduction of livestock and poultry has been developed rapidly in recent years, such as superovulation, estrus synchronization, embryo collection, embryo quality examination, embryo freezing and thawing, embryo transfer, sperm freezing, sperm sex sorting, embryo sex identification and embryo in vitro production.Technologies for sorting bovine sperm into X- and Y-bearing fractions could have a major impact on breeding programs in dairy cattle and other livestock species. The objective of this study was to investigate the suitability of sex-sorted sperm for producing viable in vitro embryos. The oocytes collected in the slaughterhouse are cultured in vitro by oocyte maturation, fertilization and development to blastocysts for cryopreservation, and the developmental ability of each stage is evaluated. 215 mature oocytes were obtained. A total of 26 fertilized eggs were cultured in vitro to the blastocyst stage.
- Subjects
CATTLE reproduction; CATTLE embryology; CRYOPRESERVATION of cells; CATTLE breeds; SPERMATOZOA analysis
- Publication
Journal of the Chinese Society of Animal Science, 2019, Vol 48, p267
- ISSN
0253-9187
- Publication type
Article