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How does embryo manipulation fit into present and future pig reproduction?
Journal of Reproduction and Fertility. Supplement
|January 1, 1985
Summary
Pig embryo transplantation offers efficient breeding but faces challenges with in vitro viability and deep-freezing. Future advancements in embryo manipulation and genetic engineering promise revolutionary changes in animal production.
Area of Science:
- Animal Science
- Reproductive Biology
- Biotechnology
Background:
- Current pig embryo collection and transplantation techniques are effective for herd expansion and disease management.
- Limitations exist due to reduced in vitro embryo viability and lack of deep-freezing preservation, hindering international trade of breeding stock.
Purpose of the Study:
- To review the potential impact of egg and embryo manipulation techniques on future pig production.
- To highlight advancements that could improve breeding schemes and animal experimentation.
Main Methods:
- Discussion of existing embryo collection and transplantation methods.
- Exploration of micromanipulation techniques for embryo sexing and cloning.
- Consideration of chimaerism and transgenic animal production.
Main Results:
- Embryo transplantation facilitates herd expansion and disease management but is limited by viability issues.
- Micromanipulation can improve breeding efficiency through sexing and producing identical multiples.
- Transgenic technology and in vitro oocyte maturation hold revolutionary potential for pig breeding.
Conclusions:
- Techniques for egg and embryo manipulation offer significant potential to revolutionize pig production.
- Advancements in in vitro maturation, fertilization, and genetic engineering are key to future developments.
- Animal breeders must be aware of these emerging biotechnologies for future animal production strategies.