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Related Experiment Videos

Practical experience with commercial embryo transfer in pigs.

R D Cameron1, M Durack, R Fogarty

  • 1Department of Farm Animal Medicine and Production, University of Queensland, Brisbane.

Australian Veterinary Journal
|October 1, 1989
PubMed
Summary

Introducing new genetics via embryo transfer into commercial pig herds successfully reduced disease transmission risks. This swine reproduction technique achieved a high farrowing rate, demonstrating its practical application in disease control.

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Area of Science:

  • Veterinary Medicine
  • Animal Reproduction
  • Swine Genetics

Background:

  • Disease transmission poses a significant risk in commercial pig farming.
  • Introducing new genetic material is crucial for herd improvement and disease management.
  • Specific-pathogen-free (SPF) pig herds require stringent biosecurity measures.

Purpose of the Study:

  • To evaluate the efficacy of embryo transfer for introducing new genetic material into SPF pig herds.
  • To assess the feasibility of surgical embryo transfer in a commercial setting.
  • To mitigate disease transmission risks associated with traditional breeding methods.

Main Methods:

  • Surgical collection of embryos from donor gilts and sows.
  • Surgical transfer of collected embryos to synchronized recipient sows within 12 hours.

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  • Utilized estrus synchronization and superovulation protocols for donor animals.

    • Main Results:

    • Collected 751 embryos from 37 donors; transferred 665 embryos to 39 recipients.
    • Achieved a 79.5% farrowing rate in recipient sows.
    • Average litter size was 8.1 piglets +/- 3.0.

    Conclusions:

    • Surgical embryo transfer is a viable method for introducing genetic diversity while minimizing disease transmission in commercial swine.
    • The study highlights practical considerations and limitations for implementing embryo transfer technology in swine production.
    • This technique offers a biosecure alternative for genetic enhancement in SPF pig populations.