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Torrecillas, S.1*, Martin, M.2, Astorga, F.2, Román, L. 1 and Montero, D.1

1Grupo de Investigación en Acuicultura (GIA), IU-ECOAQUA, Universidad de Las Palmas de Gran Canaria, Crta. Taliarte s/n, 35214 Telde, Spain; 2 European Natural Additives (ENA), Julián Camarillo, 10, Oficina 317, 28037 Madrid, Spain.
*Presenter (Cette adresse e-mail est protégée contre les robots spammeurs. Vous devez activer le JavaScript pour la visualiser.).

Introduction

Physical stressors associated to intensive fish production (injuries, manipulations and handling) are low but continuous. Those processes usually derive in a chronic stress situation involving suppressive effects on the fish immune system, disease resistance and energetic metabolism as result of the allostatic load imposed to the organism (Tort, 2011). These adverse effects have been mainly associated with increased secretion of cortisol by interrenal cells via activation of the HPI axis (Vijayanet al., 2005).


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