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First insight into genetic variation of fatty acids content in flesh of common carp, Cyprinus carpio L.

ISAG 2010, 32nd Conference for the International Society for animal genetics, July 26-30 2010, Edinburgh, Scotland
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  • Biology
  • Ecology
  • Geography
  • Medicine


Snímek 1 Martin Kocour1, David Gela1, Marek Doležal2, Hana Buchtová3, Marek Rodina1, Martin Flajšhans1, Marc Vandeputte4,5 First insight into genetic variation of fatty acids content in flesh of common carp, Cyprinus carpio L. 1University of South Bohemia in České Budějovice, Faculty of Fisheries and Protection of Watres, 389 25 Vodňany, Czech Republic, [email protected] 2Institute of Chemical Technology in Prague, Department of Food Chemistry and Analysis, 166 28 Prague 6, Czech Republic 3University of Veterinary and Pharmaceutical Sciences Brno, Department of Meat Hygiene and Technology, 612 42 Brno, Czech Republic 4INRA, UMR1313 GABI, 78350 Jouy en Josas, France and 5Ifremer, Chemin de Maguelone, 34250 Palavas les Flots, France Introduction and aim of the study Essential fatty acids (FAs), mainly polyunsaturated FAs (PUFAs), in food have a positive effect on human health. Hence, high attention has been devoted to improvement of FA content in flesh of farmed animals through nutrition. FA composition of animals is aside nutrition, as a main part of environmental factors, determined also by genetic factors where knowledge is poor.  In fish, an important source of PUFAs for humans, information about genetic variation of FA content is totally missing. The aim of this study was to determine the genetic variation of FA content in common carp, a very important fish in freshwater aquaculture. Material and methods Fish for this study were taken from a stock established for purposes of an experimental breeding program. The stock arose by full-factorial cross (crossing each female with each male) of 8 females and 96 males using an artificial reproduction. All parents were genotyped for X microsatelittes from fin tissue. Fish grew up under semi-intensive pond conditions till market size (1395 ± 273,4 g). Fish fed on natural and supplemental food (see Figure 1). At the market size, all su

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