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Kinetics data from bovine sex-specific embryo development from three different bulls
C S Oliveira1, N Z Saraiva2, M R de Lima3
1Embrapa Dairy Cattle, Animal Reproduction Laboratory, Valença, Brazil.
Data in Brief
|October 21, 2016
Summary
Kinetics data reveal differences in bovine embryo development between sexes. This study analyzed sex-sorted semen from Nelore bulls to understand preimplantation development, providing insights into sexual dimorphism.
Area of Science:
- Reproductive Biology
- Developmental Biology
- Animal Science
Background:
- Sexual dimorphism in embryonic development can impact reproductive efficiency.
- Understanding preimplantation development is crucial for improving assisted reproductive technologies.
Purpose of the Study:
- To present kinetics data on sex-specific bovine embryo development.
- To analyze developmental differences between male and female embryos derived from sex-sorted semen.
Main Methods:
- Sex-sorted semen (X- and Y-chromosome spermatozoa) from three Nelore bulls was used to originate embryos.
- Embryo development was monitored over six time points (24 to 144 hours post-insemination).
- Data analysis was performed separately for male and female embryos for each bull, as well as a grouped analysis considering bull and sex interaction.
Main Results:
- Kinetics data were collected for bovine embryos originating from sex-sorted semen.
- Developmental data were analyzed for male and female embryos from three different Nelore bulls.
- The study provides a basis for understanding sexual dimorphism in early bovine development.
Conclusions:
- The presented data contribute to the understanding of sex-specific embryo development in cattle.
- Further interpretation of these findings is discussed in relation to cell death and sexual dimorphism during preimplantation development.

