Acronym NA
Category
Marine Biotechnology
Title Development and validation of methods for application of genotyping plattforms in analysis of kindship and tracing of Atlantic salmon Programme National Programme
Instrument (FP6)
Contact Type (FP7)
Strand (Interreg)
NA
Theme (FP7)
Activity Area (FP6)
Regional Area (Interreg)
Action (COST)
NA
Specific Programme (FP7)
NA
Funding source National Coordinator Jørgen Ødegård Coordinator email NA
Coordinator institution
NA
Institutions involved
NA
Start year 2015 End year 2017 Funding (€) € 363,789 Website NA Summary One of the problems in commercial farming of Atlantic salmon is escapees migrating into river systems and mating with local wild salmon. One of the main goals of the industry is therefore to minimize number of escapees. Suspected escapees should be effectively distinguished from local wild stocks and be traceable down to the exact production site, even after long time and over a wide geographic area. Genomic tools may be used for this purpose. The genetic profile of each fish is unique and composed of alleles inherited from both parents. Correct parentage of escaped fish can therefore be identified by matching the DNA profile of the escaped fish to known potential parents (broodfish). This requires widespread genotyping of broodfish used for commercial egg production. Furthermore, by controlling and recording which parents that contribute eggs and smolts to different production sites, the escaped salmon can also be traced back to the originating production site. The genomic methodology can also be used to trace individuals over multiple generations, and thus quantify long-term admixture of local wild stocks with farmed salmon. Genomic tracing of individuals in commercial salmon egg production is currently under implementation in the AquaGen population. The project aims at developing routines and methodology for large-scale genomic tracing in the Norwegian salmon farming industry.
A methodology for large-scale genetic tracing of farmed fish (through identification of parents) with high-density SNP markers is now developed (in manuscript). The methodology is validated both on simulated and real data, and shows promising results. Preliminary analysis of real data shows that >98% of the fish were traced back to the correct parents (and thus the correct fish farm), while no fish were given incorrect parentage.
Keywords
Fish;
Open sea aquaculture;
Cage aquaculture;
Genetic;
Tagging;
Escapes;
Salmon;
Marine Region
76
Not associated to marine areas
0
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