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1. Estimates of heritabilities and genetic correlations of skeletal deformities and uninflated swimbladder in a reared gilthead sea bream (Sparus aurata L.) juvenile population sourced from three broodstocks along the Spanish coasts

Author:
Peñalver, J.,   et al.   ; García-Celdrán, M.; Cutáková, Z.; Ramis, G.; Estévez, A.; Manchado, M.; Navarro, A.; María-Dolores, E.; Sánchez, J.A.; Armero, E.;     Show all 10 Authors
Source:
Aquaculture 2016 v.464 pp. 601-608
ISSN:
0044-8486
Subject:
Sparus aurata; X-radiation; aquaculture; aquaculture industry; breeding stock; coasts; environmental factors; genetic background; genetic correlation; genotype-environment interaction; gilts; heritability; juveniles; microsatellite repeats; pedigree; photographs; rearing; swim bladder; Atlantic Ocean; Mediterranean Sea
Abstract:
... Lordosis, lack of operculum and failure to inflate the swimbladder constitute a major problem for the gilthead sea bream aquaculture industry. In this study, the effect of the origin of the broodstock on these major anomalies in juvenile sea bream was analyzed. A population of farmed sea bream (n=909) obtained by industrial mass-spawning from broodstock from three different origins [Cantabrian Sea ...
DOI:
10.1016/j.aquaculture.2016.08.004

2. Estimates of heritabilities and genetic correlations of growth and external skeletal deformities at different ages in a reared gilthead sea bream (Sparus aurata L.) population sourced from three broodstocks along the Spanish coasts

Author:
Peñalver, J.,   et al.   ; García-Celdrán, M.; Ramis, G.; Manchado, M.; Estévez, A.; Afonso, J.M.; María-Dolores, E.; Armero, E.;     Show all 8 Authors
Source:
Aquaculture 2015 v.445 pp. 33-41
ISSN:
0044-8486
Subject:
Sparus aurata; aquaculture; breeding stock; coasts; correlation; environmental factors; fish; genetic background; genetic correlation; genotype-environment interaction; growth traits; head; heritability; juveniles; microsatellite repeats; ontogeny; phenotype; probability; progeny; rearing; spine (bones); Atlantic Ocean; Mediterranean Sea
Abstract:
... Growth rates and the presence of deformities can be affected by the use of different rearing systems as well as by the different genetic origins of the stocks. At the same time, strategies that involve the development of selection schemes for these traits of economic interest are scarce. In this study the effect of the origin of the broodstock on growth traits and external deformities as well as g ...
DOI:
10.1016/j.aquaculture.2015.04.006