Blar i Brage IMR på forfatter "Samuelsen, Ole Bent"
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The Acute and Delayed Mortality of the Northern Krill (Meganyctiphanes norvegica) When Exposed to Hydrogen Peroxide
Escobar, Rosa; Samuelsen, Ole Bent (Peer reviewed; Journal article, 2020)Bath treatment pharmaceuticals used to control sea lice infestations in the salmonid industry, such as hydrogen peroxide (H2O2), are released directly into the environment where non-target organisms are at risk of exposure. ... -
Acute toxic effects of hydrogen peroxide, used for salmon lice treatment, on the survival of polychaetes (Capitella sp. and Ophryotrocha spp.)
Fang, Jinghui; Samuelsen, Ole Bent; Strand, Øivind; Jansen, Henrice M (Journal article; Peer reviewed, 2018)The amount of hydrogen peroxide (H2O2) used in the treatment of salmon lice in Norwegian salmon farming increased from 308 tons in 2009 to 43246 tons in 2015. For 2016 and 2017, however, the consumption was reduced to 26597 ... -
Anaesthesia of Atlantic halibut (Hippoglossus hippoglossus) – Effect of pre-anaesthetic sedation, and importance of body weight and water temperature
Zahl, Inger Hilde; Kiessling, Anders; Samuelsen, Ole Bent; Hansen, Magne Kjerulf (Journal article; Peer reviewed, 2010-11-30)The efficacy of the anaesthetic agents benzocaine, metacaine (MS-222), metomidate, 2-phenoxyethanol, quinaldine and isoeugenol was studied in Atlantic halibut (Hippoglossus hippoglossus). Fish with an average body weight ... -
Anaesthesia of Atlantic halibut (Hippoglossus hippoglossus) – Effect of pre-anaesthetic sedation, and importance of body weight and water temperature
Zahl, Inger Hilde; Kiessling, Anders; Samuelsen, Ole Bent; Hansen, Magne Kjerulf (Journal article; Peer reviewed, 2010-11-30)The efficacy of the anaesthetic agents benzocaine, metacaine (MS-222), metomidate, 2-phenoxyethanol, quinaldine and isoeugenol was studied in Atlantic halibut (Hippoglossus hippoglossus). Fish with an average body weight ... -
Antibiotic uptake by cultured Atlantic cod leucocytes and effect on intracellular Francisella noatunensis subsp. noatunensis replication
Kaldestad, Marte; Haugland, Gyri T.; Rønneseth, Anita; Wergeland, Heidrun I.; Samuelsen, Ole Bent (Journal article; Peer reviewed, 2014-02-04)The granuloma disease caused by Francisella noatunensis subsp. noatunensis in farmed Atlantic cod has not been successfully treated by use of antibacterials, even when antibacterial resistance testing indicates a sufficient ... -
Antimicrobial susceptibility of Francisella noatunensis subsp. noatunensis strains isolated from Atlantic cod Gadus morhua in Norway
Isachsen, Cecilie Helen; Vågnes, Øivind; Jakobsen, Ragnhild Aakre; Samuelsen, Ole Bent (Journal article; Peer reviewed, 2012-02-17)A total of 30 isolates of Francisella noatunensis subsp. noatunensis isolated from Atlantic cod Gadus morhua L. were tested for susceptibility, in the form of minimal inhibitory concentration (MIC) values, against the ... -
Bath treatment, an alternative method for the administration of the quinolones flumequine and oxolinic acid to halibut Hippoglossus hippoglossus, and in vitro antibacterial activity of the drugs against some Vibrio sp.
Samuelsen, Ole Bent; Lunestad, Bjørn Tore (Journal article; Peer reviewed, 1996-10-17)Administration of flumequine and oxolinic acid to halibut Hippoglossus hippoglossus by bath resulted in significant tissue levels of both the antibacterials. Bath treatment using 150 mg l(-1) of flumequine and 200 mg l(-1) ... -
Changes in plasma and liver glutathione levels in Atlantic salmon Salmo salar suffering from infectious salmon anemia (ISA)
Hjeltnes, Brit K.; Samuelsen, Ole Bent; Svardal, Asbjørn Martin (Journal article; Peer reviewed, 1992-10-08)The levels of reduced glutathione (GSH) in plasma and liver in healthy Atlantic salmon Salmo salar and salmon suffering from infectious salmon anaemia (ISA) were measured using high-performance liquid chromatography (HPLC). ... -
Characterization of strains of Vibrio splendidus and V. tapetis isolated from corkwing wrasse Symphodus melops suffering vibriosis
Jensen, Sigmund; Samuelsen, Ole Bent; Andersen, Kari; Torkildsen, Lise; Lambert, Christophe; Choquet, Gwénaëlle; Paillard, Christine; Bergh, Øivind (Journal article; Peer reviewed, 2003-01-22)Two vibrio bacteria pathogenic to the corkwing wrasse Symphodus melops were isolated. Vibriosis-inducing strain LP1 was isolated as the dominanting bacterium in kidney samples of dead and moribund wrasse from a population ... -
Comments on proposed maximum levels for dioxin-like PCBs in Food. Panel on Contaminants Norwegian Scientific Committee for Food Safety
Skåre, Janneche Utne; Alexander, Jan; Aune, Tore; Berntssen, Marc; Grave, Kari; Julshamn, Kåre; Knutsen, Helle Katrine; Meltzer, Helle Margrete; Samuelsen, Ole Bent; Eriksen, Gunnar Sundstøl (VKM report, Research report, 2004) -
Comments on proposed maximum levels for dioxin-like PCBs in Food. Panel on Contaminants Norwegian Scientific Committee for Food Safety
Skåre, Janneche Utne; Alexander, Jan; Aune, Tore; Berntssen, Marc; Grave, Kari; Julshamn, Kåre; Knutsen, Helle Katrine; Meltzer, Helle Margrete; Samuelsen, Ole Bent; Eriksen, Gunnar Sundstøl (VKM report, Research report, 2004) -
Development of anaesthetic protocols for lumpfish (Cyclopterus lumpus L.): Effect of anaesthetic concentrations, sea water temperature and body weight
Skår, Malene W.; Haugland, Gyri Teien; Powell, Mark; Wergeland, Heidrun Inger; Samuelsen, Ole Bent (Peer reviewed; Journal article, 2017) -
Diseases, prophylaxis and treatment of the Atlantic halibut Hippoglossus hippoglossus: a review
Bergh, Øivind; Nilsen, Frank; Samuelsen, Ole Bent (Journal article; Peer reviewed, 2001)After substantial investments in research, the Atlantic halibut Hippoglossus hippoglossus is now being cultivated commercially in Norway, Iceland, Scotland and Canada. As with other domesticated species, disease problems ... -
Distribution and Persistence of Diflubenzuron and Teflubenzuron in the Marine Environment Around Salmonid Aquaculture Facilities
Parsons, Aoife Elizabeth; Samuelsen, Ole Bent; Johnsen, Ingrid Askeland; Hannisdal, Rita; Tjensvoll, Tore; Husa, Vivian (Peer reviewed; Journal article, 2021)To achieve a sustainable salmonid aquaculture industry, the environmental impacts of chemicals used to treat sea lice (Caligidae) infestations need to be considered. Our ability to assess the risks associated with these ... -
Døde og strandete krepsdyr - Nitti tilfeller rapportert til Havforskningsinstituttet i perioden 2014-2020
Søvik, Guldborg; Dalpadado, Padmini; Falkenhaug, Tone; Sævik, Pål Næverlid; Jenssen, Maria; Larsen, Marita; Hannisdal, Rita; Rønning, Jon; Olsen, Siri Aaserud; Samuelsen, Ole Bent; Agnalt, Ann-Lisbeth; Thangstad, Trude Hauge; Danielsen, Hanna Ellerine Helle; Grøsvik, Bjørn Einar; Hatland, Siren; Bruvik, Aina; Tjensvoll, Tore; Couillard, Felicia Dawn; Korneliussen, Patrick-Andre (Rapport fra havforskningen;2021 - 3, Research report, 2021)Havforskningsinstituttet begynte med en systematisk registrering av innrapporterte funn av strandet krill i 2014. Antall tilfeller var få fra 2014 til 2017, men økte kraftig i 2018 og har siden holdt seg på dette nivået. ... -
Efficacy of florfenicol in the treatment of bacterial infections in halibut, Hippoglossus hippoglossus (L.), larvae
Roiha, Irja Sunde; Samuelsen, Ole Bent; Harboe, Torstein (Journal article; Peer reviewed, 2011-10-17) -
Efficacy of Orally Administered Florfenicol in the Treatment of Furunculosis in Atlantic Salmon
Samuelsen, Ole Bent; Hjeltnes, Brit K.; Glette, Johan (Journal article; Peer reviewed, 1998)This study was performed to determine the efficacy of orally administered florfenicol to treat experimentally induced furunculosis in Atlantic salmon Salmo salar held in seawater. A strain of the causative bacterium, ... -
Efficacy of orally administered flumequine in the treatment of vibriosis caused by Listonella anguillarum in Atlantic cod Gadus morhua
Todnem Vik-Mo, Frode; Bergh, Øivind; Samuelsen, Ole Bent (Journal article; Peer reviewed, 2005-11-09)The efficacy of orally administered flumequine in the treatment of experimentally induced vibriosis in Atlantic cod Gadus morhua was investigated. Cod (mean ± SD, 120 ± 30 g) were randomly distributed to twelve tanks and ... -
Efficacy of orally administered oxolinic acid and Vetoquinol, an oxolinic acid ester, for the treatment furunculosis in Atlantic salmon Salmo salar held seawater
Samuelsen, Ole Bent; Hjeltnes, Brit K.; Torkildsen, Lise (Journal article; Peer reviewed, 1999-06-23)This study was performed to determine the efficacy of orally administered oxolinic acid and Vetoquinol, an oxolinic acid ester, in the treatment of experimental induced furunculosis in Atlantic salmon Salmo salar held in ... -
Evaluating bioencapsulation of florfenicol in rotifers (Brachionus plicatilis)
Roiha, Irja Sunde; Otterlei, Erling; Samuelsen, Ole Bent (Journal article; Peer reviewed, 2010-11-11)The rotifer Brachionus plicatilis is one of the most important live-feed organisms used in the larval culture of marine fish. Bioencapsulation of florfenicol in rotifers was investigated by delivering it directly to the ...