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Evaluation of different concentration doses of eugenol on the behaviour of Nephrops norvegicus

Cowing, Daniel; Powell, Adam; Johnson, Magnus

Authors

Daniel Cowing

Adam Powell



Abstract

Eugenol was tested for use as an anaesthetic on Nephrops norvegicus at three different concentrations (300, 600, 900 μL/L). Monitoring included the time taken to reach each sedation stage. Sedation stage was assessed by passive behaviours and reaction to direct stimulation. A concentration of 300 μL/L induced full anaesthesia in 56% of individuals taking on average (median time seconds ± SD) 849 ± 200 s. Concentrations 600 and 900 μL/L induced full anaesthesia in 439 ± 143 s and 277 ± 117 s respectively. Recovery times were not significantly different with an average time of 689 ± 39 s. Ovigerous (berried) and freshly captured females took longer to reach full anaesthesia and were quicker to recover compared to non-berried and captive females. Eugenol can be used as an effective anaesthetic for this species.

Citation

Cowing, D., Powell, A., & Johnson, M. (2015). Evaluation of different concentration doses of eugenol on the behaviour of Nephrops norvegicus. Aquaculture, 442, 78-85. doi:10.1016/j.aquaculture.2015.02.039

Journal Article Type Article
Acceptance Date Feb 26, 2015
Online Publication Date Mar 6, 2015
Publication Date May 1, 2015
Deposit Date Aug 9, 2018
Journal Aquaculture
Print ISSN 0044-8486
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 442
Pages 78-85
DOI https://doi.org/10.1016/j.aquaculture.2015.02.039
Keywords Eugenol; Sedative; Anaesthesia; Nephrops; Behaviour
Public URL https://hull-repository.worktribe.com/output/974088
Publisher URL https://www.sciencedirect.com/science/article/pii/S0044848615001222?via%3Dihub
Additional Information This article is maintained by: Elsevier; Article Title: Evaluation of different concentration doses of eugenol on the behaviour of Nephrops norvegicus; Journal Title: Aquaculture; CrossRef DOI link to publisher maintained version: http://dx.doi.org/10.1016/j.aquaculture.2015.02.039; Content Type: article; Copyright: Copyright © 2015 Elsevier B.V. All rights reserved.