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dc.contributor.authorNilsson, Jonatan
dc.contributor.authorMoltumyr, Lene
dc.contributor.authorMadaro, Angelico
dc.contributor.authorKristiansen, Tore S
dc.contributor.authorGåsnes, Siri Kristine
dc.contributor.authorMejdell, Cecilie Marie
dc.contributor.authorGismervik, Kristine
dc.contributor.authorStien, Lars Helge
dc.date.accessioned2020-03-05T12:43:56Z
dc.date.available2020-03-05T12:43:56Z
dc.date.created2019-12-09T14:53:46Z
dc.date.issued2019
dc.identifier.citationVeterinary and Animal Science. 2019, .nb_NO
dc.identifier.issn2451-943X
dc.identifier.urihttp://hdl.handle.net/11250/2645510
dc.description.abstractThermal treatment has become the most used delousing method in salmonid aquaculture. However, concerns have been raised about it being painful for the fish. We studied the behavioural response of Atlantic salmon acclimated to 8°C when transferred to temperatures in the range 0–38°C. Exposure time was 5 min or until they reached the endpoint of losing equilibrium and laying on their side, a sign of imminent death. At temperatures below 28°C, none of the fish reached endpoint within the 5-min maximum. At 28°C four of five fish reached endpoint, and fish reached endpoint more rapidly as temperature increased further. Fish transferred to temperatures above 28°C had higher swimming speed immediately after transfer and maintained a high swimming speed until just before loss of equilibrium. Their behaviour was from the start characterised by collisions into tank walls and head shaking. Just before loss of equilibrium they started breaking the surface of the water, swimming in a circle pattern and in some instances displayed a side-wise bending of their body. In other words, salmon transferred to temperatures above 28°C showed instant behavioural responses indicative of nociception or pain.nb_NO
dc.language.isoengnb_NO
dc.titleSudden exposure to warm water causes Instant behavioural responses indicative of nociception or pain in Atlantic salmonnb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.description.versionpublishedVersionnb_NO
dc.source.pagenumber8nb_NO
dc.source.volume8nb_NO
dc.source.journalVeterinary and Animal Sciencenb_NO
dc.identifier.doi10.1016/j.vas.2019.100076
dc.identifier.cristin1758370
cristin.unitcode7431,14,0,0
cristin.unitnameDyrevelferd
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1


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