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Screening for genetic markers to assess potential genetic impact from salmon ranching on wild stocks

Skaala, Øystein; Dahle, Geir; Taggart, John B.; Jørstad, Knut Eirik; Unneland, Laila; Karlsen, Tove; Bakke, Gunnar; Paulsen, Ole Ingar
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CM_1991_M_14.pdf (1.220Mb)
URI
http://hdl.handle.net/11250/105008
Date
1991
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  • ICES CM documents authored by IMR scientists (1949-2011) [3139]
Original version
This report is not to be cited without prior reference to the authors  
Abstract
Genetic markers are needed to assess the potential genetic impact on wild salmon

populations from ocean ranching. In 1990 spawners from four Norwegian rivers: Lone,

Vosso, Dale and Onarheim were screened for genetic variability in isozymes and genomic

DNA. Variability was detected in LDH, MDH, MEP, IDDH, and with single locus probes

(SLP's) in DNA fingerprint analysis. Sibling groups with the observed variability in

isozymes are kept separate for further studies on the suitability of the observed variants as

genetic markers. Tests of growth rates and survival on different genotypes are being

conducted. Groups of genetically marked salmon will be released to study the potential

impact on wild populations from ocean ranching and enhancement activities.
Publisher
ICES
Series
ICES CM Documents;1991/M:14

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