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A biotest system for optimalization of environmental parameters for production of halibut fry
(ICES CM Documents;1987/F:21, Working paper, 1987)A system for controlled testing of different environmental parameters in seawater was made. Both the biotest system and an experimental setup using larvae of the Atlantic Halibut (Hippoglossus hippoglossus L.) are described. -
Effects on salmon (Salmo salar) from different operational procedures in fish farming
(ICES CM Documents;1988/F:16, Working paper, 1988)The effects on farmed salmon caused by operational procedures as handling, de-lousing, removal of dead fish, grading and transfer were studied by underwater TV-observations, ultrasonic telemetry of heart rate and analyses ... -
Farming of Atlantic cod Gadus morhua in the vicinity of major spawning sites for Norwegian coastal cod populations - is it hazardous?
(ICES CM documents;2009/Q:18, Working paper, 2009)Waters along and adjacent to the coast of northern Norway are unique in housing two major populations of Atlantic cod with very di erent life histories. The Northeast Arctic cod (NEAC) has its nursery and feeding grounds ... -
Grid-sorting of penned saithe
(ICES CM Documents;1992/B:11, Working paper, 1992)Size selection of penned saithe was obtained by forcing the fish against an adjustable grid mounted in the end of net pens. The size selection was rather sharp, with a selection range of about 5 cm only. All fish forced ... -
Import of furunculosis to Norway with Atlantic salmon smolts from Scotland
(ICES CM Documents;1987/F:8, Working paper, 1987)In early summer 1985 the Norwegian Veterinary Authorities authorized the import of about 250.000 Atlantic salmon smolts from a fish farm at the west coast of Scotland to the Namdal region north of Trondheim. Immediately ... -
Pilot scale studies of intensive cod farming in Norway
(ICES CM Documents;1985/F:22, Working paper, 1985)Cod fry produced in a seawater pond at Austevoll, Norway were used in a farming experiment. Cod larvae were start fed on the natural plankton in the pond. Additional feeding with dry pellet started when the fry were 60 ... -
Pollution problems in Norwegian fish farming
(ICES CM Documents;1983/F:26, Working paper, 1983) -
Population genetic structure of wrasses used as cleanerfish in Atlantic salmon farming in Norway
(ICES CM Documents;1993/G:30, Working paper, 1993)The increasing use of wrasses as cleaner fish in the salmon farming industry has created local fishery in many regions in Norway. In several cases, live fish have been transported between regions without knowledge of the ... -
Preliminary results from stocking salmonid freshwater enclosures with flounder (Platichthys flesus)
(ICES CM Documents;1984/F:2, Working paper, 1984)Stocking of flounder in salmonid freshwater culture are suggested as a possible way of reducing loadings of surplus food to surrounding environment Flounder of different sizes were transferred from an estuary to Atlantic ... -
Production experiment of halibut fry (Hippoglossus hippoglossus) in silos
(ICES CM Documents;1987/F:42, Working paper, 1987)Silos with conical bottoms and a volume of approx 3.5 m3 are tested as storing units for halibut yolk-sac larvae. The silos were run in three different ways: A: Stagnant water with a saltplug till day 10 and later slow ... -
Progress Report of the Working Group on Marine Fish Culture
(ICES CM Documents;1999/F:3, Working paper, 1999) -
Report of the Working Group on Marine Fish Culture [Olhao, Portugal, 11- 14 March, 2002]
(ICES CM Documents;2002/F:1, Working paper, 2002) -
Report of the Working Group on Marine Fish Culture [St. Andrews, New Brunswick, Canada, 5- 7 June, 2000]
(ICES CM Documents;2000/F:4, Working paper, 2000) -
Seawater adaptability of two strains of arctic char (Salvelinus alpinus) reared under different light regimes
(ICES CM Documents;1987/F:37, Working paper, 1987)Groups of Arctic char (Salvelinus alpinus) were reared under three experimental light regimes. Two different strains of char were used, one non-migratory from south Norway, the other anadromous from northern Norway. All ... -
Studies on environmental conditions and influence on salmon farm production
(ICES CM Documents;1990/F:35, Working paper, 1990)The study was undertaken to investigate how environmental conditions influence growth of Atlantic salmon, and how different sub groups of salmon respond to different environment. The fish were raised at five different ... -
Surface activity of Atlantic salmon (Salmo salar) in net pens
(ICES CM Documents;1988/F:19, Working paper, 1988)An important feature of the behaviour of salmon is the leaping and rolling activity. These surface activities were studied in fish in net pens in relation to environmental factors and operational procedures. Data were ... -
The effect of a short time exposure to different temperature and salinity regimes on survival of maturing Atlantic salmon and eyed eggs, and changes in blood and seminal plasma during the spawning period
(ICES CM Documents;1986/F:25, Working paper, 1986)Maturing Atlantic salmon, transferred from brackish water two weeks prespawning, were held under four different temperature and salinity regimes through their spawning period. Values of blood glucose and haematocrit ... -
The effect of shading in pen rearing of Atlantic salmon (Salmo salar)
(ICES CM Documents;1988/F:18, Working paper, 1988)A full scale pen rearing experiment with covers to reduce illumination was carried out. No significant effects were observed on growth, mortality, ectoparasite infection, maturation or net pen fouling.