Effect of the geographical origin on the presence of skeletaldeformities and swimbladder anomaly in a cultured gilthead sea bream (Sparus aurata L) population. Estimation of genetic parameters
Publication date
2014Publisher
Universidad Politécnica de Cartagena, Servicio de DocumentaciónBibliographic Citation
GARCÍA CELDRÁN, Marta et al. Effect of the geographical origin on the presence of skeletaldeformities and swimbladder anomaly in a cultured gilthead sea bream (Sparus aurata L) population Estimation of genetic parameters.En : III Workshop en Investigación Agroalimentaria: WiA3.14. Cartagena: Universidad Politécnica de Cartagena, Servicio de Documentación, 2014. 85-88 p. ISBN: 978-84-697-1358-7Keywords
HeritabilitiesGenetic correlations
Phenotypic correlations
Lordosis and lack of operculum
Abstract
The gilthead sea bream (Sparus aurata L.) is one of the most important Sparid farmed
in Europe. However, abnormalities such us lordosis, lack of operculum and failure to
inflate the swimbladder constitute a major problem for aquaculture industry by
decreasing the final value of the fish. The use of stocks from different genetic origin to
produce commercial fish usually cause great variability in the global quality of the end
product. However, strategies that involve the development of selection schemes in
sea bream for these traits of economic interest are scarce. In light of these
circumstances, the effect of the geographical origin on the presence of anomalies as a
measure of fish quality was analyzed. For this purpose a population of farmed gilthead
sea bream obtained from broodstock from three differentiated geographical origin
and reared under common conditions was analyzed from X‐ray photograph for the
mayor anomalies present in this species. A posteriori reconstruction ...
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