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Effects of oocyte collection techniques and maturation media on in vitro maturation and subsequent embryo development in Boer goat

Author

Listed:
  • Z.G. Wang

    (College of Animal Science, Key Laboratory for Molecular Animal Nutrition, Zhejiang University, Hang Zhou, China)

  • Z.R. XU

    (College of Animal Science, Key Laboratory for Molecular Animal Nutrition, Zhejiang University, Hang Zhou, China)

  • S.D. YU

    (College of Animal Science, Key Laboratory for Molecular Animal Nutrition, Zhejiang University, Hang Zhou, China)

Abstract

The oocytes (experiment 1) were harvested by one of the four collection techniques (slicing, puncture, aspiration I and aspiration II) and the total number and the number of each grade of oocytes were counted, respectively. The good-quality oocytes (good and fair grade) were cultured for maturation. In experiment 2, the oocytes were matured in TCM-199 supplemented with 10 ng/ml of epidermal growth factor (EGF) or 10% FCS, either alone or with 1 IU/ml FSH, or the oocytes were matured in TCM-199 supplemented with 1 IU/ml FSH. After maturation, the oocytes in the two experiments were fertilized, respectively. Slicing (6.3) and puncture (5.8) of the ovaries yielded a higher (P < 0.05) number of oocytes per ovary compared to aspiration I (2.9) and aspiration II (3.1). Oocytes matured in the TCM-199 medium supplemented with EGF or FCS with FSH had a significantly higher proportion of blastocysts than the other treatments (P < 0.05). In conclusion, slicing and puncture are alternative techniques of oocyte recovery in Boer goat. The TCM-199 medium supplemented with EGF or FCS in the presence of FSH is suitable for in vitro maturation of oocytes.

Suggested Citation

  • Z.G. Wang & Z.R. XU & S.D. YU, 2007. "Effects of oocyte collection techniques and maturation media on in vitro maturation and subsequent embryo development in Boer goat," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 52(1), pages 21-25.
    • Handle: RePEc:caa:jnlcjs:v:52:y:2007:i:1:id:2327-cjas
    DOI: 10.17221/2327-CJAS
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    Citations

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    Cited by:

    1. I. Barnetová & K. Okada, 2010. "Genome reprogramming during the first cell cycle in in vitro produced porcine embryos," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 55(2), pages 49-57.
    2. E. Chmelíková & M. Sedmíková & J. Petr & T. Kott & V. Lánská & L. Tůmová & H. Tichovská & M. Ješeta, 2009. "Expression and localization of nitric oxide synthase isoforms during porcine oocyte growth and acquisition of meiotic competence," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 54(4), pages 137-149.

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