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Possible Use of Lumpfish to Control Caligus elongatus Infestation on Farmed Atlantic Salmon: A Mini Review [PDF]
Journal of Ocean University of China, 2020 In this mini review, we systematized current knowledge about the number of Caligus elongatus on farmed Atlantic salmon in relation to the use of lumpfish as cleaner fish. The review was prompted by reports of an unusually large number of sea lice (C. elongatus) infestation of farmed salmon in northern Norway, Faroese Islands and Iceland and the urgent ...
Mette Remen +2 more
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The epidemiology of the sea lice, Caligus elongatus Nordmann, in marine aquaculture of Atlantic salmon, Salmo salar L., in Scotland [PDF]
Journal of Fish Diseases, 2002 Although Caligus elongatus is one of two major species of sea lice that parasitize farmed salmon, its epidemiology has not been extensively studied. In this communication, the abundances of the adult stage of C.
Crawford W. Revie, G Gettinby
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Aquaculture Research, 2004 Most lice infestations on salmon farmed in the North Atlantic are attributed to Caligus elongatus and Lepeophtheirus salmonis. This study reports findings from time-series analysis conducted on observations of the lesser-studied C.
Crawford W. Revie +2 more
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Intra- or inter-specific difference in genotypes of Caligus elongatus Nordmann 1832?
Acta Parasitologica, 2008AbstractTwo mitochondrial and one nuclear genetic marker were used to study the phylogenetic position of the two reported CO1-genotypes of Caligus elongatus in a group of closely related caligid parasites. Molecular analysis of the two mitochondrial genes (CO1 and 16S), indicate genetic distances of the two C.
Øivind Øines
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Diseases of Aquatic Organisms, 2023
Sea lice are a key limitation to sustainable salmon aquaculture, and effective monitoring strategies are critical for the management of these parasites. Sentinel cages are an established means of assessing infestation pressure at fixed locations, but as smolts move through systems they will be exposed to varying lice densities.
C C, Pert +5 more
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Sea lice are a key limitation to sustainable salmon aquaculture, and effective monitoring strategies are critical for the management of these parasites. Sentinel cages are an established means of assessing infestation pressure at fixed locations, but as smolts move through systems they will be exposed to varying lice densities.
C C, Pert +5 more
openaire +2 more sources
Caligus elongatus Nordmann genotypes on wild and farmed fish
Journal of Fish Diseases, 2007AbstractTwo mitochondrial genotypes have been described for Caligus elongatus Nordmann in Norway. This article reports on the distribution of C. elongatus mitochondrial cytochrome C oxidase 1 genotypes from wild fish hosts from the SE Norwegian coast. For comparison, lice from areas with fish farming were included in the study.
Ø, Øines, P A, Heuch
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Control of the Parasitic CopepodCaligus elongatuson Pond-Reared Red Drum
Journal of Aquatic Animal Health, 1991Abstract Red drums Sciaenops ocellatus that became infested with the copepod Caligus elongatus during rearing in seawater ponds were successfully treated with a 20-min freshwater dip after harvest and before being stocked in the wild. This treatment killed all copepods. Short-term (30min) and long-term (18-h) treatments with Copper Control, trichlorfon,
J. H. Landsberg +3 more
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Journal of Fish Diseases, 2006
AbstractThe sea louse Caligus elongatus utilizes a range of marine fish species as hosts, and it has been suggested that fish farms are infected with adult C. elongatus from wild fish hosts. We assessed experimentally whether dislodged lice return to their original host species.
O, Oines +3 more
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AbstractThe sea louse Caligus elongatus utilizes a range of marine fish species as hosts, and it has been suggested that fish farms are infected with adult C. elongatus from wild fish hosts. We assessed experimentally whether dislodged lice return to their original host species.
O, Oines +3 more
openaire +2 more sources
Aquaculture, 2011
Abstract The location of attached and mobile stages of Caligus rogercresseyi and C. elongatus on Atlantic salmon Salmo salar hosts was compared with that of the distribution patterns of Lepeophtheirus salmonis. The distribution of C. rogercresseyi was also compared in experimental and natural infections, and there were no significant differences for ...
J.W. Treasurer, S. Bravo
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Abstract The location of attached and mobile stages of Caligus rogercresseyi and C. elongatus on Atlantic salmon Salmo salar hosts was compared with that of the distribution patterns of Lepeophtheirus salmonis. The distribution of C. rogercresseyi was also compared in experimental and natural infections, and there were no significant differences for ...
J.W. Treasurer, S. Bravo
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Response of the Copepodid Larvae of Caligus elongatus to Light, and the Ultrastructure of the Eyes
Canadian Journal of Fisheries and Aquatic Sciences, 1993The copepodid larvae of Caligus elongatus are positively attracted to light over increasing light intensities using a vertical light source of 400 lx placed 25 cm from the larvae. The larvae are not attracted to the light source from a distance of 50 cm. Larvae in the dark did not migrate in any one particular direction. The copepodid larvae, examined
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