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Impact of aquaculture on the immune response genes of natural salmonid populations: Spatial and temporal genetic signatures and potential fitness consequences

Objective

The objective of SALIMPACT is to assess the extent to which disease transmission has, or has had, an impact on genetic variation in natural salmonid populations. Genetic signatures of impact of aquaculture will be identified by comparison of patterns of variability at selected and neutral markers. We have developed molecular tools to investigate genetic variation at loci that are critically involved in the immune response (i.e. major histocompatibility complex (MHC) genes) with variability at a number of selectively-neutral markers (microsatellites).

Cases both temporal and spatial, comprising of affected (i.e. with documented history of impact) and unaffected Atlantic salmon and brown trout populations will be identified and analysed. These studies will be complemented with field experiments which will assess the effect of mater choice and the fitness consequences of different MHC genotype frequencies in populations under semi-natural and natural conditions.

Topic(s)

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Funding Scheme

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Coordinator

AGRICULTURAL UNIVERSITY OF WAGENINGEN
EU contribution
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Address
Costerweg 50
WAGENINGEN
Netherlands

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Participants (4)