Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/30617
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dc.contributor.authorBrooker, Adam J.en_UK
dc.contributor.authorDavie, Andrewen_UK
dc.contributor.authorLeclercq, Ericen_UK
dc.contributor.authorZerafa, Benjaminen_UK
dc.contributor.authorMigaud, Hervéen_UK
dc.date.accessioned2020-01-14T01:02:53Z-
dc.date.available2020-01-14T01:02:53Z-
dc.date.issued2020-04-15en_UK
dc.identifier.other734771en_UK
dc.identifier.urihttp://hdl.handle.net/1893/30617-
dc.description.abstractBallan wrasse (Labrus bergylta) are used as cleaner fish in commercial Atlantic salmon farming to remove ectoparasitic sea lice. While the delousing performance of wild wrasse is usually good, that of farmed wrasse is variable, possibly because of different conditions in hatcheries and sea cages. In this study, three passive-acoustic telemetry (PAT) trials were conducted at a salmon farm to compare the behaviour of wild and farmed wrasse and test the effect of acclimatising farmed wrasse to sea-cage conditions before deployment. Up to 40 fish were monitored simultaneously for 60–124 days by triangulating tag positions within a hydrophone array every 6–10 s. This data was used to assess fish depth and preferred cage locations and calculate activity, orientation and home ranges. Wild wrasse occupied shallower depths (13.3 ± 2.4 m) than farmed wrasse, which remained near the bottom of the cages (18.2 ± 1.7 m). Swimming activity was higher in wild wrasse with significant diurnal variations due to nocturnal quiescence on 68% of observed days. Wild wrasse rapidly developed large home ranges (616.8 ± 110.1 m2), preferring cage corners. Hatchery-and-sea-cage acclimatisation improved the behaviour of farmed wrasse; they rapidly moved up the water column (9.08 ± 2.05 m after 1 week) and established home ranges (514.3 ± 146.6 m2), and they developed diurnal activity patterns, which may indicate a positive response to acclimatisation. Acclimatising farmed ballan wrasse to sea-cage conditions positively improved and encouraged behaviours similar to those seen in wild wrasse, including diurnal rhythms and the establishment of home ranges, and is recommended for all farmed wrasse prior to deployment to improve delousing performance.en_UK
dc.language.isoenen_UK
dc.publisherElsevier BVen_UK
dc.relationBrooker AJ, Davie A, Leclercq E, Zerafa B & Migaud H (2020) Pre-deployment acclimatisation of farmed ballan wrasse (Labrus bergylta) to sea-cage conditions promotes behaviour analogous to wild conspecifics when used as cleaner fish in Atlantic salmon (Salmo salar) farms. Aquaculture, 520, Art. No.: 734771. https://doi.org/10.1016/j.aquaculture.2019.734771en_UK
dc.rightsThis item has been embargoed for a period. During the embargo please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study. Accepted refereed manuscript of: Brooker AJ, Davie A, Leclercq E, Zerafa B & Migaud H (2020) Pre-deployment acclimatisation of farmed ballan wrasse (Labrus bergylta) to sea-cage conditions promotes behaviour analogous to wild conspecifics when used as cleaner fish in Atlantic salmon (Salmo salar) farms. Aquaculture, 520, Art. No.: 734771. DOI: https://doi.org/10.1016/j.aquaculture.2019.734771 © 2019, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/en_UK
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/en_UK
dc.subjectPassive-acoustic telemetryen_UK
dc.subjectCleaner fishen_UK
dc.subjectBiological controlen_UK
dc.subjectAcclimatisationen_UK
dc.subjectSea liceen_UK
dc.subjectSalmonid aquacultureen_UK
dc.titlePre-deployment acclimatisation of farmed ballan wrasse (Labrus bergylta) to sea-cage conditions promotes behaviour analogous to wild conspecifics when used as cleaner fish in Atlantic salmon (Salmo salar) farmsen_UK
dc.typeJournal Articleen_UK
dc.rights.embargodate2020-11-24en_UK
dc.rights.embargoreason[Brooker_2019(wrasse acclimation)-AAM.pdf] Publisher requires embargo of 12 months after formal publication.en_UK
dc.identifier.doi10.1016/j.aquaculture.2019.734771en_UK
dc.citation.jtitleAquacultureen_UK
dc.citation.issn0044-8486en_UK
dc.citation.volume520en_UK
dc.citation.publicationstatusPublisheden_UK
dc.citation.peerreviewedRefereeden_UK
dc.type.statusAM - Accepted Manuscripten_UK
dc.contributor.funderHTI-Vemco (USA) Inc.en_UK
dc.contributor.funderMowi Loch Leven sea siteen_UK
dc.contributor.funderSainsbury's Agriculture R&Den_UK
dc.contributor.funderScottish Aquaculture Innovation Centreen_UK
dc.author.emaila.j.brooker@stir.ac.uken_UK
dc.citation.date23/11/2019en_UK
dc.contributor.affiliationInstitute of Aquacultureen_UK
dc.contributor.affiliationInstitute of Aquacultureen_UK
dc.contributor.affiliationInstitute of Aquacultureen_UK
dc.contributor.affiliationInstitute of Aquacultureen_UK
dc.identifier.isiWOS:000515498200025en_UK
dc.identifier.scopusid2-s2.0-85079712158en_UK
dc.identifier.wtid1498193en_UK
dc.contributor.orcid0000-0003-1776-4122en_UK
dc.contributor.orcid0000-0002-9524-618Xen_UK
dc.contributor.orcid0000-0002-5404-7512en_UK
dc.date.accepted2019-11-23en_UK
dcterms.dateAccepted2019-11-23en_UK
dc.date.filedepositdate2020-01-09en_UK
rioxxterms.apcnot requireden_UK
rioxxterms.typeJournal Article/Reviewen_UK
rioxxterms.versionAMen_UK
local.rioxx.authorBrooker, Adam J.|0000-0003-1776-4122en_UK
local.rioxx.authorDavie, Andrew|0000-0002-9524-618Xen_UK
local.rioxx.authorLeclercq, Eric|en_UK
local.rioxx.authorZerafa, Benjamin|en_UK
local.rioxx.authorMigaud, Hervé|0000-0002-5404-7512en_UK
local.rioxx.projectProject ID unknown|HTI-Vemco (USA) Inc.|en_UK
local.rioxx.projectProject ID unknown|Mowi Loch Leven sea site|en_UK
local.rioxx.projectProject ID unknown|Sainsbury's Agriculture R&D|en_UK
local.rioxx.projectProject ID unknown|Scottish Aquaculture Innovation Centre|en_UK
local.rioxx.freetoreaddate2020-11-24en_UK
local.rioxx.licencehttp://www.rioxx.net/licenses/under-embargo-all-rights-reserved||2020-11-23en_UK
local.rioxx.licencehttp://creativecommons.org/licenses/by-nc-nd/4.0/|2020-11-24|en_UK
local.rioxx.filenameBrooker_2019(wrasse acclimation)-AAM.pdfen_UK
local.rioxx.filecount1en_UK
local.rioxx.source0044-8486en_UK
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