Browsing Brage IMR by Author "Kristiansen, Tore S"
Now showing items 1-20 of 22
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Andre samlerapport: velferd for triploid laks i Nord-Norge - Sluttrapport, utsett 2018
Stien, Lars Helge; Sambraus, Florian; Sæther, Per Anton; Lind, Mattias Bendiksen; Kristiansen, Tore S; Nilsson, Jonatan; Fjelldal, Per Gunnar (Rapport fra havforskningen;2021 - 13, Research report, 2021)Denne rapporten tar for seg velferden til 8 grupper av triploid laks satt ut i Nord-Norge vår, sommer og høst 2018. Vårutsettene fikk varierende velferd og dødelighet. Dette skyltes i stor grad at disse fiskegruppene hadde ... -
Brain serotonergic activation in growth-stunted farmed salmon: Adaption versus pathology
Vindas, Marco Antonio; Johansen, Ida Beitnes; Folkedal, Ole; Höglund, Erik; Gorissen, Marnix; Flik, Gert; Kristiansen, Tore S; Øverli, Øyvind (Journal article; Peer reviewed, 2016-05-25)Signalling systems activated under stress are highly conserved, suggesting adaptive effects of their function. Pathologies arising from continued activation of such systems may represent a mismatch between evolutionary ... -
Comparison of Norwegian health and welfare regulatory frameworks in salmon and chicken production
Gismervik, Kristine; Tørud, Brit; Kristiansen, Tore S; Osmundsen, Tonje Cecilie; Størkersen, Kristine Vedal; Medaas, Christian; Lien, Marianne Elisabeth; Stien, Lars Helge (Peer reviewed; Journal article, 2020)The health and welfare of farmed fish are often regarded with less concern than for other production animals. This review compares the Norwegian legal health and welfare frameworks for broiler chickens and farmed salmon, ... -
Computational animal welfare: Towards cognitive architecture models of animal sentience, emotion and wellbeing
Budaev, Sergei; Kristiansen, Tore S; Giske, Jarl; Eliassen, Sigrunn (Peer reviewed; Journal article, 2020)To understand animal wellbeing, we need to consider subjective phenomena and sentience. This is challenging, since these properties are private and cannot be observed directly. Certain motivations, emotions and related ... -
Consistent melanophore spot patterns allow long-term individual recognition of Atlantic salmon Salmo salar
Stien, Lars Helge; Nilsson, Jonatan; Bui, Samantha; Fosseidengen, Jan Erik; Kristiansen, Tore S; Øverli, Øyvind; Folkedal, Ole (Peer reviewed; Journal article, 2017) -
Coping with a changing environment: The effects of early life stress
Vindas, Marco Antonio; Madaro, Angelico; Fraser, Thomas; Höglund, Erik; Olsen, Rolf Erik; Øverli, Øyvind; Kristiansen, Tore S (Journal article, 2016) -
Does the thermal component of warm water treatment inflict acute lesions on Atlantic salmon (Salmo salar)?
Moltumyr, Lene; Gismervik, Kristine; Gu, Jinni; Gåsnes, Siri Kristine; Kristiansen, Tore S; Rønnestad, Ivar; Nilsson, Jonatan; Stien, Lars Helge (Peer reviewed; Journal article, 2020)Warm water treatment, i.e. exposure to sea water at a temperature of 28–34 °C for 20–30 s, has in recent years been widely used for delousing of Atlantic salmon (Salmo salar) and rainbow trout (Oncorhynchus mykiss) in ... -
Erfaringer og analyser fra drift av oppdrettsanlegg på eksponerte lokaliteter
Sandberg, Merete Gisvold; Lien, Andreas Myskja; Sunde, Leif Magne; Størkersen, Kristine Vedal; Stien, Lars Helge; Kristiansen, Tore S (Research report, 2012)Dette forprosjektet har hatt som mål å legge til rette for videreutvikling av forskningsrelaterte problemstillinger innen tema drift av eksponerte oppdrettslokaliteter. Eksponerte lokaliteter er her derfor å forstå som ... -
Fish protection during fish production. Organizational conditions for fish welfare
Størkersen, Kristine Vedal; Osmundsen, Tonje Cecilie; Stien, Lars Helge; Medaas, Christian; Lien, Marianne Elisabeth; Tørud, Brit; Kristiansen, Tore S; Gismervik, Kristine (Peer reviewed; Journal article, 2021)Too many salmon die during production at Norwegian fish farms. Earlier research shows that most farmed salmon die in operations partly related to protection of the wild salmon (from salmon lice), but it is not known how ... -
Første samlerapport: Velferd for triploid laks i Nord-Norge
Stien, Lars Helge; Sæther, Per Anton; Kristiansen, Tore S; Fjelldal, Per Gunnar; Sambraus, Florian (Rapport fra havforskningen;2019 - 47, Research report, 2019)Denne rapporten tar for seg velferden til 24 grupper av triploid laks satt ut i Nord-Norge 2014-2017. Noen av de tidlige smoltproduksjonene var kjennetegnet av lav eggkvalitet, sykdom eler andre problemer i settefiskfasen, ... -
Governing the welfare of Norwegian farmed salmon: three conflict cases
Stien, Lars Helge; Tørud, Brit; Gismervik, Kristine; Lien, Marianne Elisabeth; Medaas, Christian; Osmundsen, Tonje Cecilie; Kristiansen, Tore S; Størkersen, Kristine Vedal (Peer reviewed; Journal article, 2020)To obtain insight into perceptions of how fish welfare and health is governed in Norwegian aquaculture, this study investigates three conflict cases: salmon lice, pancreas disease and farm siting. Using surveys and in-depth ... -
Growth and welfare of submerged Atlantic salmon under continuous lightning
Sievers, Michael; Korsøen, Øyvind Johan; Dempster, Timothy David; Fjelldal, Per Gunnar; Kristiansen, Tore S; Folkedal, Ole; Oppedal, Frode (Peer reviewed; Journal article, 2018)ABSTRACT: Although surface-based cages dominate the marine finfish aquaculture industry, production issues that arise at the surface such as poor environmental conditions and the presence of parasites has spurred interest ... -
Laksvel - Standardisert operasjonell velferdsovervåking for laks i matfiskanlegg
Nilsson, Jonatan; Gismervik, Kristine; Nielsen, Kristoffer Vale; Iversen, Martin Haugmo; Noble, Christopher; Kolarevic, Jelena; Frotjold, Hilde; Nilsen, Kathrine; Wilkinson, Eirik; Klakegg, Barbo; Hauge, Hege Sørvåg; Sæther, Per Anton; Kristiansen, Tore S; Stien, Lars Helge (Rapport fra havforskningen;2022 - 14, Research report, 2022-05-30)Selv om oppdrettere og fiskehelsepersonell har undersøkt og dokumentert velferden til laksen har det ikke funnes noen standardisert måte å gjøre dette på. Denne protokollen er laget for å kunne brukes som en felles ... -
Ny teknologi for overvåking av oppdrettsmiljø og fiskevelferd i oppdrettsmerder. Sluttrapport for FHF prosjekt 900085
Aas-Hansen, Øyvind; Stien, Lars Helge; Gytre, Trygve; Tennøy, Torodd; Bjørnsen, Jan Eyolf; Evensen, Tor Hatten; Sæther, Bjørn-Steinar; Damsgård, Børge; Brataas, Ragnar; Finne, Dag Einar; Koren, Christian; Alfredsen, Jo Arve; Rikardsen, Audun H.; Kristiansen, Tore S (Nofima rapportserie, Research report, 2010)Det er kjent at oppdrettsfisk som trives er god butikk, da de vil vokse fortere, være mindre utsatt for sykdom og gi bedre produktkvalitet. Samtidig stiller markedene økende krav til etisk produksjon, inklusiv dokumentasjon ... -
Risikorapport norsk fiskeoppdrett 2018
Grefsrud, Ellen Sofie; Glover, Kevin; Grøsvik, Bjørn Einar; Husa, Vivian; Karlsen, Ørjan; Kristiansen, Tore S; Kvamme, Bjørn Olav; Mortensen, Stein; Samuelsen, Ole Bent; Stien, Lars Helge; Svåsand, Terje (Research report, 2018) -
Risk assessment of marking and tracing methods with regards to the welfare of farmed salmonids. Opinion of the Panel on Animal Health and Welfare of the Norwegian Scientific Committee for Food Safety
Mortensen, Stein; Kristiansen, Tore S; Mejdell, Cecilie Marie; Uglem, Ingebrigt; Agdestein, Angelika; Basic, Dean; Bergh, Øivind; Brun, Edgar; Bøe, Knut Egil; Das Neves, Carlos G; Godfroid, Jacques; Gudding, Roar; Hoel, Kristian; Rimstad, Espen; Hjeltnes, Brit (VKM Report, Research report, 2016) -
Risk assessment of marking and tracing methods with regards to the welfare of farmed salmonids. Opinion of the Panel on Animal Health and Welfare of the Norwegian Scientific Committee for Food Safety
Kristiansen, Tore S; Uglem, Ingebrigt; Agdestein, Angelika; Basic, Dean (VKM Report, Research report, 2016) -
Salmon lice treatments and salmon mortality in Norwegian aquaculture: a review
Overton, Kathy; Dempster, Tim; Oppedal, Frode; Kristiansen, Tore S; Gismervik, Kristine; Stien, Lars Helge (Journal article; Peer reviewed, 2018)With the expansion of Atlantic salmon aquaculture, the economic and ecological impacts of salmon lice (Lepeophtheirus salmonis) has increased. Norway battles this problematic parasite with various control and preventative ... -
Sea lice removal by cleaner fish in salmon aquaculture: a review of the evidence base
Overton, Kathy; Barrett, Luke; Oppedal, Frode; Kristiansen, Tore S; Dempster, Timothy David (Peer reviewed; Journal article, 2020) -
Sudden exposure to warm water causes Instant behavioural responses indicative of nociception or pain in Atlantic salmon
Nilsson, Jonatan; Moltumyr, Lene; Madaro, Angelico; Kristiansen, Tore S; Gåsnes, Siri Kristine; Mejdell, Cecilie Marie; Gismervik, Kristine; Stien, Lars Helge (Journal article; Peer reviewed, 2019)Thermal 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 ...