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RP2E INRA Université de Lorraine

Split it up and see: using proxies to highlight divergent inter-populational performances in aquaculture standardised conditions

BMC Ecology and Evolution, 21 (-), pp. 1-14, 206.

Toomey, L., Dellicour, S., Kapusta, A., Zarski, D., Buhrke, F., Milla, S., Fontaine, P., Lecocq, T.

2021

Considering wild inter-populational phenotypic differentiation can facilitate domestication and subsequent production of new species. However, comparing all populations across a species range to identify those exhibiting suitable key traits for aquaculture (KTA; i.e. important for domestication and subsequent production) expressions is not feasible. Therefore, proxies highlighting inter-populational divergences in KTA are needed. The use of such proxies would allow to identify, prior to bioassays, the wild population pairs which are likely to present differentiations in KTA expressions in aquaculture conditions. Here, we assessed the relevance of three alternative proxies: (i) genetic distance, (ii) habitat divergence, and (iii) geographic/hydrologic distances. We performed this evaluation on seven allopatric populations of Perca fluviatilis for which divergences in KTA had already been shown

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