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September 10, 2025Journal of Dairy ScienceOpen Access

Association of fertility traits with markers of oocyte competence in dairy cattle

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Authors

BCB. ChasiJAJosé Pedro AndradePMP. L. J. Monteiro

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Overview

Observational analysis finds lower aneuploidy in high-fertility Holstein cows, suggesting genetic links.

Key Points

  • High-fertility cows based on daughter pregnancy rate had fewer chromosomal abnormalities.
  • Low-fertility cows may harbor genetic variants linked to higher rates of aneuploidy, impacting fertility.
  • Cumulus oocyte complexes from Holstein cows were collected to assess oocyte competence.
  • Further research is needed to explore mitochondrial functionality and its relationship with fertility.

Cite This Study

Chasi et al. (2025) studied this question.

synapsesocial.com/papers/68c18f2a9b7b07f3a06152c8https://doi.org/10.3168/jds.2025-26726
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Also Consider

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  1. 1The dominant follicle: the final frontier in bovine oocyte development.2025
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  3. 3Ovarian function and endocrine phenotypes of lactating dairy cows during the estrous cycle are associated with genomic-enhanced predictions of fertility potential2024 · 8 citations
  4. 4Biochemical profiling of the follicular environment to predict oocyte competence in cattle2024 · 11 citations
  5. 57 Role of the preovulatory follicle in oocyte metabolic and developmental competence for pregnancy2024