Browsing Brage IMR by Author "Mortensen, Stein H."
Now showing items 1-20 of 24
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Et kompendium om skjell
Mortensen, Stein H. (Working paper, 1990-09) -
Fangst og bruk av leppefisk - innenfor bærekraftige rammer?
Mortensen, Stein H.; Skiftesvik, Anne Berit (Havforskningsnytt;Nr. 6 - 2011, Working paper, 2011)Bruk av leppfisk regnes som den eneste metoden for bekjempelse av lakselus som ikke har negative konsekvenser for miljøet. Bruken har økt kraftig de siste årene – i takt med problemene med lakselus. At lakselus enkelte steder ... -
Fate of Francisella noatunensis, a pathogen of Atlantic cod Gadus morhua, in blue mussels Mytilus edulis
Wangen, Ingvild H.; Karlsbakk, Egil; Einen, Ann Cathrine Bårdsgjære; Ottem, Karl; Nylund, Are; Mortensen, Stein H. (Journal article; Peer reviewed, 2012-02-17)Francisellosis, caused by the bacterium Francisella noatunensis, is one of the most severe diseases affecting farmed cod, and has caused great economic loss for the cod farming industry in Norway. We studied the fate of ... -
Fate of infectious salmon anaemia virus (ISAV) in experimentally challenged blue mussels Mytilus edulis
Skår, Cecilie Kristin; Mortensen, Stein H. (Journal article; Peer reviewed, 2007-02-08)In order to investigate the potential role of blue mussels Mytilus edulis as a vector of the fish pathogenic infectious salmon anaemia virus (ISAV), we developed an experimental bioaccumulation system in which mussels can ... -
Fiskehelse
Bergh, Øivind; Mortensen, Stein H. (Havforskningsnytt, Working paper, 2003) -
Handlingsplan for europeisk flatøsters, Ostrea edulis L.
Bodvin, Torjan; Mortensen, Stein H.; Jelmert, Anders; Strand, Øivind; Grefsrud, Ellen Sofie (Research report, 2011-06-24)Denne handlingsplanen presenterer mål og tiltak for forvaltning av europeisk flatøsters Ostrea edulis L. i Norge. Handlingsplanen har som målsetning å sikre langsiktig overlevelse og eventuell beskatning av denne rødlistete ... -
Havbeite – forskning for utvikling av en miljøvennlig næring
Agnalt, Ann-Lisbeth; Strand, Øivind; Jørstad, Knut Eirik; Mortensen, Stein H. (Havforskningsnytt, Working paper, 2005) -
Havbruksrapport 1998
Mortensen, Stein H. (Fisken og havet, særnummer;3-1998, Research report, 1998-03) -
Health screening of wild Atlantic salmon (Salmo salar) from the Osterfjorden-area, western Norway
Holm, Marianne; Hjeltnes, Brit K.; Mortensen, Stein H.; Hopp, P. (ICES CM Documents;1991/M:39, Working paper, 1991)Wild Atlantic salmon (Salmo salar) were captured in four rivers in western Norway in 1989 and 1990. These were used as broodstock fish in a sea ranching project. In 1989 virological and bacteriological examinations of ... -
Health survey of selected stocks of commercially exploited Norwegian bivalve molluscs
Mortensen, Stein H. (Journal article; Peer reviewed, 1993-08-05)This paper describes the first systematic health survey of commercially exploited bivalve molluscs in Norway. The main aim of the work was to screen selected stocks of the native flat oyster Ostrea edulis and the introduced ... -
Immunohistochemistry of great scallop Pecten maximus larvae experimentally challenged with pathogenic bacteria
Sandlund, Nina; Torkildsen, Lise; Magnesen, Thorolf; Mortensen, Stein H.; Bergh, Øivind (Journal article; Peer reviewed, 2006-04-06)Three challenge experiments were carried out on larvae of the great scallop Pecten maximus. Larvae were bath-challenged with Vibrio pectenicida and 5 strains resembling Vibrio splendidus and one Pseudoalteromonas sp. ... -
Kompetanseheving skjellpatologi. Modulbasert videreutdanning inklusiv intern opplæring ved Havforskningsinstituttet 2006-2009
Mortensen, Stein H. (Rapport fra Havforskningen;Nr.5-2009, Working paper, 2009-11)I alt arbeid med dyrehelse er det et krav om at personell skal ha formell og reell kompetanse. Denne rapporten dokumenterer at Lisbeth S. Harkestad har relevant reell og formell kompetanse innen skjellbiologi, anatomi, ... -
Kunnskapsstatus leppefisk : Utfordringer i et økende fiskeri
Espeland, Sigurd Heiberg; Nedreaas, Kjell Harald; Mortensen, Stein H.; Skiftesvik, Anne Berit; Agnalt, Ann-Lisbeth; Durif, Caroline M.F.; Harkestad, Lisbeth S.; Karlsbakk, Egil; Knutsen, Halvor; Thangstad, Trond; Jørstad, Knut Eirik; Bjordal, Åsmund; Gjøsæter, Jakob (Fisken og havet;7-2010, Research report, 2010-11-15)Over the past few years there has been a rapid increase in the use of wrasses as cleanerfish for sealice on salmon farms. During 2010, the landed catch of wrasse was 440 tons, more than twice the 2009 catch and nearly ten ... -
Lokalisering av oppdrettsanlegg
Ervik, Arne; Mortensen, Stein H.; Juell, Jon-Erik (Havforskningstema, Working paper, 2003) -
Norske bestander av flatøsters - en verdifull ressurs
Mortensen, Stein H. (Havforskningsnytt, Working paper, 1993) -
Passage of infectious pancreatic necrosis virus (IPNV) through invertebrates in an aquatic food chain
Mortensen, Stein H. (Journal article; Peer reviewed, 1993-06-24)Infectious pancreatic necrosis virus (IPNV) was reisolated from particles containing faeces and pseudofaeces of scallops Pecten maximus after IPNV bath and injection challenges, and from prawns Pandalus borealis and Palaemon ... -
Persistence of infectious pancreatic necrosis virus (IPNV) in scallops Pecten maximus
Mortensen, Stein H.; Bachere, Evelyne; Gall, Ghislaine Le; Mailhe, Eric (Journal article; Peer reviewed, 1992-04-23)Infectious pancreatic necrosis virus (IPNV), serotype N1 isolated from scallops Pecten maximus in Norway, was propagated and used in both inoculation and bath challenge experiments with scallops in vivo. Although virus ... -
Phylogenetic and morphological characterisation of the green algae infesting blue mussel Mytilus edulis in the North and South Atlantic oceans
Rodríguez, Francisco; Feist, Stephen W.; Guillou, Laure; Harkestad, Lisbeth S.; Bateman, Kelly; Renault, Tristan; Mortensen, Stein H. (Journal article; Peer reviewed, 2008-09-24)Blue mussels Mytilus edulis with shell deformations and green pustules containing parasitic algae were collected at 3 coastal sites (Burøy, Norway; Bockholm, Denmark; Goose Green, Falkland Islands). A comparative study, ... -
Picoeucaryot alga infecting blue mussel Mytilus edulis in southern Norway
Mortensen, Stein H.; Harkestad, Lisbeth S.; Stene, Rolf-Olav; Renault, Tristan (Journal article; Peer reviewed, 2005-01-25)During summer 2001, blue mussels Mytilus edulis with abnormal shell growth were collected near Kragerø, southern Norway. The mussels had green spots in their mantle tissues, mainly posteriorly and ventrally, and in the ... -
Sero- and genotyping of some marine aquatic birnavirus isolates from Norway
Biering, Eirik; Melby, Hans P.; Mortensen, Stein H. (Journal article; Peer reviewed, 1997-03-27)Twelve isolates of aquatic birnaviruses (9 field isolates from marine fish and shellfish and the Ab/A(3), Sp/A(2) and N1 strains) were serotyped using an immunodot assay. The assay with 17 monoclonal antibodies revealed ...