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This version was published on 1 April 2009
Lab Anim 2009;43:121-126
doi:10.1258/la.2008.008013
© 2009 Laboratory Animals Limited

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Review Articles

A review of the need and possible uses for genetically standardized Atlantic salmon (Salmo salar) in research

U Grimholt 1, R Johansen 2 and A J Smith 3 

1 Department of Biology, Centre for Ecological and Evolutionary Synthesis, University of Oslo, Oslo, Norway; 2 Laboratory Animal Unit, Norwegian School of Veterinary Science, Oslo, Norway; 3 Norecopa, National Veterinary Institute, Oslo, Norway

Corresponding author: Adrian J Smith. Email: adrian.smith{at}vetinst.no

Large numbers of Atlantic salmon (Salmo salar) are used as research animals in basic research and to solve challenges related to the fish-farming industry. Most of this research is performed on farmed animals provided by local breeders or national breeding companies. The genetic constitution of these animals is usually unknown and highly variable. As a result, large numbers of fish are often needed to produce significant results, and results from one study are often impossible to reproduce in another facility. The production of standardized salmon could in many cases reduce the number of animals used in research and at the same time provide more reproducible results. This paper provides an overview of the methods available for the production of standardized Atlantic salmon, and discusses the pros and cons of each technique. The use of zebrafish and other well-defined laboratory fish species as a model for salmon is also discussed. Access to genetically defined fish would greatly benefit the scientific community, in the same way as genetically defined lines of rodents have revolutionized mammalian research.

Key Words: Standardized experimental fish • salmon • androgenesis • gynogenesis • clonal lines


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