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Comparative analysis of reproductive traits in 65 freshwater fish species: application to the domestication of new fish species

Abstract : Based on an extensive literature search (1,000 references), the objectives of the present study were to establish a numerical clustering of temperate freshwater fish based on their reproductive traits and to evaluate whether it was possible to extrapolate zootechnical knowledge among species belonging to the same cluster. About 65 species were classified into ten homogeneous clusters from the analysis of 29 reproductive traits, among which the most important were temperature during spawning, egg incubation and larval rearing, degree-days for incubation, larval size upon hatching, spawning season, and parental care. From this typology, a rather regular continuum of reproductive clusters emerges with two obvious endpoints. Between these two extremes, species could be ordered chiefly according to temperature requirement, spawning season and parental care. In conclusion, this new typology, differing significantly from all others proposed earlier, may now serve as a possible framework to help enhancing the domestication of new species by comparison to species belonging to the same cluster.
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https://hal.inrae.fr/hal-02665668
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Submitted on : Sunday, May 31, 2020 - 7:08:56 AM
Last modification on : Friday, February 5, 2021 - 3:43:34 AM

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Fabrice Teletchea, Alexis Fostier, Ewa Kamler, Jean-Noel Gardeur, Pierre-Yves Le Bail, et al.. Comparative analysis of reproductive traits in 65 freshwater fish species: application to the domestication of new fish species. Reviews in Fish Biology and Fisheries, Springer Verlag, 2009, 19 (4), pp.403-430. ⟨10.1007/s11160-008-9102-1⟩. ⟨hal-02665668⟩

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