Browsing Brage IMR by Subject "VDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Fish health: 923"
Now showing items 181-200 of 753
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Growth reaction norms of domesticated, wild and hybrid Atlantic salmon families in response to differing social and physical environments
(Journal article; Peer reviewed, 2013-10-28)Background: Directional selection for growth has resulted in the 9-10th generation of domesticated Atlantic salmon Salmo salar L. outgrowing wild salmon by a ratio of approximately 3: 1 when reared under standard hatchery ... -
Halibut behaviour as a means of assessing suitability of ongrowth systems
(ICES CM Documents;1998/L:4, Working paper, 1998)Halibut behaviour in net pens has been studied using direct observation, underwater video and/or hydroacoustic equipment. Rearing experience includes a wide range of fish weights (50-10.000 g) and fish densities (4-150 ... -
Halvparten av nordsjøsilda kan dø etter trenging i not : Crowding in purse seine can kill half the catch of North Sea herring
(Havforskningsnytt;Nr. 6 - 2010, Working paper, 2010)Catch regulation in purse seining for herring has traditionally been done by discarding all or part of the catch if it is too big, or if the size or quality of the herring does not match requirements. Net burst is also ... -
Harbor porpoise (Phocoena phocoena) in Norwegian waters
(ICES CM Documents;1991/N:16, Working paper, 1991)Recordings made on the Norwegian Sighting Survey 1988 and the North Atlantic Sighting Survey 1988 (NASS-89) indicate a divided off shore distribution during summer for harbour porpoises in Norwegian waters, with a southern ... -
Hardangerfjorden under lupa; Interaksjonar mellom økosystem, akvakultur og bereevne og klimaendringar
(Havforskningstema;Nr.1-2009, Working paper, 2009) -
Hatching of halibut (Hippoglossus hippoglossus L.) eggs under different light conditions
(ICES CM Documents;1986/F:17, Working paper, 1986)Halibut eggs were hatched in total darkness and in illumination (60 lux light). A simoultanous hatching to a final hatching of 99%, and positive buoyant larvae in the dark hatching jars were experienced. In the illuminated ... -
Havforskningsrapporten 2011 : Ressurser, miljø og akvakultur på kysten og i havet
(Fisken og havet, særnummer;1-2011, Research report, 2011-03) -
Havforskningsrapporten 2012
(Fisken og havet, særnummer;1-2012, Research report, 2012-03) -
Havforskningsrapporten 2013
(Fisken og Havet, særnummer;1-2013, Research report, 2013-03) -
Havforskningsrapporten 2015
(Fisken og Havet, særnummer;1-2015, Research report, 2015) -
Health monitoring of wild anadromous salmonids in seawater in Norway
(Rapport fra Havforskningen;Nr. 17-2014, Working paper, 2014-05-01) -
Health screening of wild Atlantic salmon (Salmo salar) from the Osterfjorden-area, western Norway
(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 ... -
Herring Assessment Working Group for the Area South of 62°N [Copenhagen, 20 -30 March, 1984]
(ICES CM Documents;1984/Assess:12, Working paper, 1984) -
Herring Assessment Working Group for the Area South of 62°N [Copenhagen, 21- 31 March, 1994]
(ICES CM Documents;1994/Assess:13, Working paper, 1994) -
Herring Assessment Working Group for the Area South of 62°N [Copenhagen, 22 March - 2 April, 1993]
(ICES CM Documents;1993/Assess:15, Working paper, 1993) -
Herring assessment working group for the area south of 62°N [Copenhagen, 23 March -1 April, 1982]
(ICES CM Documents;1982/Assess:7, Working paper, 1982) -
Herring Assessment Working Group for the Area South of 62°N [ICES Headquarters, Copenhagen, 9- 18 April, 1996]
(ICES CM Documents;1996/Assess:10, Working paper, 1996) -
High host densities dilute sea lice Lepeophtheirus salmonis loads on individual Atlantic salmon, but do not reduce lice infection success
(Journal article; Peer reviewed, 2014-12-02)Host density likely plays a key role in host−parasite interactions, but empirical evidence in marine ecosystems remains limited. Classical models predict a positive relationship between host density and parasite infection ... -
High prevalence of viral haemorrhagic septicaemia virus (VHSV) in Norwegian spring‑spawning herring
(Journal article; Peer reviewed, 2013-03-25)Viral haemorrhagic septicaemia (VHS) is a viral disease known to cause high mortality in many teleost species, both in wild and farmed populations. The effects of this virus infection on the population dynamics of Atlantic ... -
Horizontal transmission of nervous necrosis virus between turbot Scophthalmus maximus and Atlantic cod Gadus morhua using cohabitation challenge
(Journal article; Peer reviewed, 2012-05-15)Experimental horizontal transmission of nervous necrosis virus (NNV) originating from halibut Hippoglossus hippoglossus was studied through cohabitation of intraperitoneally (i.p.) injected fish with uninfected fish for ...