Sedative effect of 2-phenoxyethanol and essential oil of Lippia alba on stress response in gilthead sea bream (Sparus aurata).

作者: Cândida Toni , Juan Antonio Martos-Sitcha , Bernardo Baldisserotto , Berta Maria Heinzmann , Lenise de Lima Silva

DOI: 10.1016/J.RVSC.2015.09.006

关键词:

摘要: The anesthetic efficacy of the essential oil Lippia alba (EOLA) in Sparus aurata was evaluated by induction and recovery times anesthesia. After, specimens were exposed to anesthetics low concentrations for 4h, under nonstress or stress conditions. Range 100-300 μL L(-1) EOLA induced Plasmatic cortisol, glucose, lactate, osmolality enhanced after exposure undisturbed (UF) stressed fish (SF). Lower corticotropin-releasing hormone binding-protein expression occurred SF/EOLA compared with 2-PHE/stress combination EOLA/undisturbed Stress processes reduced prolactin (PRL) control fish, while UF exhibited PRL levels both anesthetics. Proopiomelanocortin (POMCa) mRNA higher 2-PHE SF control; POMCb contrast UF/EOLA Thus, an effective anesthetic, but it unable prevent a response S. aurata; is advisable sedate without causing stress, not at preventing present work.

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