4.5 Article

Genetic Variability, Population Structure, and Relatedness Analysis of Meagre Stocks as an Informative Basis for New Breeding Schemes

Journal

FISHES
Volume 6, Issue 4, Pages -

Publisher

MDPI
DOI: 10.3390/fishes6040078

Keywords

meagre; aquaculture genetics; microsatellite markers; broodstock selection

Funding

  1. Hellenic General Secretariat for Research and Innovation (GSRI) through the project MeagreGEN (Special Actions, AQUACULTURE) - EPAnEK (Competitiveness, Entrepreneurship and Innovation, 2014-2020 operational programme) [T6gammaBP-00012]
  2. European Union's Horizon 2020 research and innovation programme [652831]

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This study evaluated the genetic diversity of various meagre broodstocks in Greece using microsatellite analysis. By analyzing relatedness and genetic data, the study provided an effective method and guidance for selecting breeder candidates in aquaculture.
This study evaluates the genetic diversity of different meagre broodstocks sampled in Greece. A multiplex of twelve microsatellite markers was used to genotype 946 fish from eleven stocks and batches used for broodstock selection, and the genetic data was used to calculate genetic population parameters as well as to investigate the genetic differentiation between stocks. The results from a relatedness analysis were used as the guiding lines for a fine-tuned and overall evaluation of the genetic distance between stocks, and the choice of candidate breeders from some of them. The approach implemented in this study uses well-established population genetics methods to evaluate the selection of breeder candidates in aquaculture commercial conditions utilizing a descriptive genetic data set based on microsatellite analyses, and to outline an efficient methodology for establishing the basis of new breeding schemes.

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