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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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AFLP and microsatellites as genetic tags to identify cultured gilthead seabream escapees: data from a simulated floating cage breaking event Miggiano, E.; De Innocentiis, S.; Ungaro, A.; Sola, L.; Crosetti, D. (2005). AFLP and microsatellites as genetic tags to identify cultured gilthead seabream escapees: data from a simulated floating cage breaking event. Aquacult. Int. 13(1-2): 137-146. https://dx.doi.org/10.1007/s10499-004-9024-4 In: Aquaculture International. Springer: London. ISSN 0967-6120; e-ISSN 1573-143X, meer Ook verschenen in: Focardi, S.; Saroglia, M. (Ed.) (2005). Animal welfare, human health and interactions with the environment. Aquaculture International, 13(1-2). Springer: Dordrecht. 173 pp., meer

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Beschikbaar in	Auteurs
VLIZ: Non-open access 352051 [ aanvragen ]

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Trefwoorden

Aflp Ancestry > Parentage Behaviour > Parental behaviour Bioselection > Genetic drift Cages > Floating cages Sparus aurata Linnaeus, 1758 [WoRMS] A, Atlantic [Marine Regions]; MED, Mediterranean [Marine Regions] Marien/Kust

Author keywords

AFLP; floating cages; genetic impact; microsatellites; parentageassignment; Sparus auratus

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Auteurs		Top
Miggiano, E. De Innocentiis, S. Ungaro, A.	Sola, L. Crosetti, D.

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Abstract

Genetic discrimination using DNA fingerprinting is rapidly developing for cultured stock and wild fish populations. Microsatellites and AFLPs are being widely used in aquaculture to assign fish or processed fish products, to their claimed origin, paternity or strain. In the present study, 147 AFLP and 4 microsatellite markers were used as genetic tags in gilthead seabream, Sparus auratus. Specimens from two different hatchery broodstocks (one of Atlantic and one of Mediterranean origin) and wild fishes from a natural population were fingerprinted. Putative offspring from these broodstocks were computer-generated, and the confidence in the parentage assignment of their genetic profiles to the hatchery broodstock assessed. The virtual offspring were then mixed with specimens from a natural population to simulate an accidental escape from a floating cage. The risk of false paternity inclusion was evaluated to test the ability to identify either Atlantic or Mediterranean hatchery offspring among wild fish. The method proved to be reliable, and could therefore be used to forecast the impact of fish farm escapees.

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