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24, chemin de Borde Rouge –Auzeville – CS52627
31326 Castanet Tolosan CEDEX - France

Dernière mise à jour : Mai 2018


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January 1, 2020 – December 31, 2022 (36 months) Rainbow trout Oncorhynchus mykiss Sea bream Sparus aurata Hollow oyster Crassostrea gigas

Phenomic selection in aquaculture species

Phenomic selection: an alternative to genomic selection ?

The transition to genomic selection is underway in several aquaculture species, to improve the accuracy of genetic assessments for non-measurable traits on breeding candidates. In plant species, it has been shown that similarity matrices calculated on the basis of spectroscopy data can give results in genetic evaluations as accurate as genomic similarity matrices based on SNP markers.

The objective of Phenomix is to exploit spectroscopy data acquired on three aquaculture species to verify whether phenomic selection, less expensive than genomic selection, could work on these species. An existing dataset on trout will be completed by the phenotyping of the next generation, in order to test the possibility of combining spectra acquired over different generations in the same analysis.

The benefits for breeders:

At the end of Phenomix, aquaculture breeders will know whether phenomic selection can be considered as an alternative to genomic selection or not, and initial evidence will be available on the conditions for future use of spectra (mono-generation or inter-generation, NIRS or RAMAN spectra, spectrum uptake on fat or muscle). A dedicated technical day will be organised to present the results of the programme.

The tasks of SYSAAF :

  • Project coordination
  • Performing spectroscopy analysis
  • Recruitment and supervision of the post-doc who will carry out the phenomic selection analyses
  • Interaction management for data availability
  • Valorisation of results and organization of a technical day on the use of vibrational spectroscopy

See also


Funder :

    france agrimer