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Genetics and reproduction in fish culture
1Dept. of Anim. Sci., University of California, Davis 95616.
Journal of Animal Science
|October 1, 1991
Summary
Fish genetics offers advanced techniques for stock improvement, yet the aquaculture industry underutilizes these genetic advancements. Greater emphasis on genetic improvement is needed for widespread application.
Area of Science:
- Aquaculture
- Animal Genetics
- Quantitative Genetics
Background:
- Significant advancements in fish genetics over the past 20 years.
- Fish quantitative genetics are comparable to other animal species.
- Novel techniques like ploidy manipulation and sex reversal are feasible in fish.
Purpose of the Study:
- To review the progress and applications of fish genetics.
- To identify reasons for the gap between genetic potential and industry application.
Main Methods:
- Review of advancements in fish reproductive management and experimental genetics.
- Analysis of the applicability of general animal improvement techniques to fish.
- Examination of specialized techniques such as ploidy manipulation and sex reversal.
Main Results:
- Fish genetics research has yielded powerful tools for stock improvement.
- Standard animal breeding techniques are applicable to fish.
- Specialized techniques offer unique opportunities for fish genetic manipulation.
- Limited adoption of genetic improvement strategies across the majority of the industry.
Conclusions:
- The potential for genetic improvement in fish is vast but largely unrealized.
- The aquaculture industry's limited focus on genetic improvement hinders progress.
- Bridging the gap requires increased industry emphasis on applying genetic technologies.