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dc.contributor.authorDoyle, R. W.
dc.contributor.authorShackel, N. L.
dc.contributor.authorBasiao, Zubaida
dc.contributor.authorUraiwan, S.
dc.contributor.authorMatricia, T.
dc.contributor.authorTalbot, A. J.
dc.date.accessioned2013-01-24T07:48:46Z
dc.date.available2013-01-24T07:48:46Z
dc.date.issued1991
dc.identifier.citationDoyle, R. W., Shackel, N. L., Basiao, Z., Uraiwan, S., Matricia, T., & Talbot, A. J. (1991). Selective diversification of aquaculture stocks: A proposal for economically sustainable genetic conservation. Canadian Journal of Fisheries and Aquatic Sciences, 48(S1), 148–154.en
dc.identifier.issn0706-652X
dc.identifier.urihttp://hdl.handle.net/10862/1334
dc.description.abstractThe genetic diversity of aquaculture stocks can be maintained, and their genetic impact on wild stocks minimized, by breeding programmes that deliberately generate genetic diversity. Current animal breeding practices are likely to reduce the diversity of domestic stocks if they are extended to aquaculture. It is proposed that national breeding programmes for aquaculture should, instead, try to develop numerous breeds specially adapted to local environments and aquaculture systems. An economic model is presented of decision-making by individual farmers who, in choosing which breed to produce, determine the "fitness" of the breeds in a meta-population that includes all breeds. As long as strong genotype-environment interaction for production traits is maintained by artificial selection, the economic self-interest of farmers should ensure the stability of genetic polymorphisms among breeds. Genetic variation would be conserved (in the among-breed component of genetic diversity) but not the primordial distribution of gene and genotype frequencies. Economic benefits to farmers, plus a high return on investment at the national or supra-national level, makes breed diversification an attractive conservation strategy even though it is admittedly a compromise from a purely genetic viewpoint.en
dc.language.isoenen
dc.publisherNRC Research Pressen
dc.titleSelective diversification of aquaculture stocks: A proposal for economically sustainable genetic conservationen
dc.typeArticleen
dc.citation.volume48
dc.citation.issueS1
dc.citation.spage148
dc.citation.epage154
dc.citation.journalTitleCanadian Journal of Fisheries and Aquatic Sciencesen
dc.subject.asfaaquaculture techniquesen
dc.subject.asfapolymorphismen
dc.subject.asfaeconomic benefitsen
dc.subject.asfaintroduced speciesen
dc.subject.asfapopulation geneticsen
dc.subject.asfaresource conservationen
dc.subject.asfaselective breedingen
dc.subject.asfafish cultureen
dc.subject.asfagenetic variationen
dc.identifier.doi10.1139/f91-313


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  • AQD Journal Articles [1223]
    These papers were contributed by AQD staff to various national and international journals

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