Abstract:
:In gilthead sea bream Sparus aurata held in groups of two, five or 10 fish, social hierarchies were observed. Subordinate S. aurata were characterized by elevation of basal levels of plasma cortisol, together with a reduced immunological potential. Subordinate fish also showed lower feed intake, feed utilization and lower growth. Fatty acid composition was also affected by social status, with a lower content of saturated acids, oleic and eicosapentaenoic, in muscle and liver of fish considered as subordinate. Results show that social hierarchy acts as a stressor in S.aurata.
journal_name
J Fish Bioljournal_title
Journal of fish biologyauthors
Montero D,Lalumera G,Izquierdo MS,Caballero MJ,Saroglia M,Tort Ldoi
10.1111/j.1095-8649.2008.02161.xsubject
Has Abstractpub_date
2009-03-01 00:00:00pages
790-805issue
4eissn
0022-1112issn
1095-8649pii
JFB2161journal_volume
74pub_type
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