Results 181 to 190 of about 6,074 (228)

Medicines for sea lice

Pest Management Science, 2002
AbstractSea louse (Family Caligidae: genera Caligus and Lepeophtheirus) infection of farmed salmonids represents a significant threat to animal welfare and undermines profitability. Lice may also act as vectors for the transmission of viral and bacterial pathogens.
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Sea Lice Biology and Control

2022
An authoritative overview of sea lice and their interactions and gives a clear illustration of the application of the principles of integrated pest management in an aquaculture context.
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Sea-lice infection models for fishes

Journal of Mathematical Biology, 2008
As free-living sea-lice larvae are difficult to sample directly, lice abundances on fish have recently been used to study larvae in the water. In the KLV problem, juvenile wild salmon migrate past a salmon farm, and the change of infection with distance along the migration route is used to estimate larvae production from the farm.
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Sea‐Cage Aquaculture, Sea Lice, and Declines of Wild Fish

Conservation Biology, 2009
Abstract:  A sea cage, sometimes referred to as a net pen, is an enclosure designed to prevent farm fish from escaping and to protect them from large predators, while allowing a free flow of water through the cage to carry away waste.
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Sea lice — Major pathogens of farmed atlantic salmon

Parasitology Today, 1989
The most important metazoan parasites of farmed Atlantic salmon are the sea lice Lepeophtheirus salmonis and Caligus elongatus. Adults of these caligid copepods are responsible for serious damage to the skin of salmon, which may die unless treated with organophosphorus pesticides.
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Estimating costs of sea lice control strategy in Norway

Preventive Veterinary Medicine, 2014
This paper explores the costs of sea lice control strategies associated with salmon aquaculture at a farm level in Norway. Diseases can cause reduction in growth, low feed efficiency and market prices, increasing mortality rates, and expenditures on prevention and treatment measures.
Yajie, Liu, Hans Vanhauwaer, Bjelland
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Modelling sea lice dispersion under varying environmental forcing in a Scottish sea loch

Journal of Fish Diseases, 2009
AbstractThe spread of infectious larval sea lice, Lepeophtheirus salmonis (Krøyer, 1838), between wild salmonids and farmed Atlantic salmon, Salmo salar, remains a contentious area of uncertainty. However, as laboratory and field experiments increase our knowledge of sea lice behaviour under environmental forcing, numerical modelling tools can be used ...
T L, Amundrud, A G, Murray
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Sea lice infections of salmonids farmed in Australia

Aquaculture, 2011
Sea lice cause significant issues in the mariculture of salmonids. However, there have been no reports about sea lice from salmonid farming in Australia. Here, we investigated the presence of sea lice on salmonids in Australian mariculture. Caligus longirostris was present on Atlantic salmon and rainbow trout (archival samples only) farmed in Tasmania.
B.F. Nowak, C.J. Hayward, L. González, N.J. Bott, R.J.G. Lester   +4 more
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Sea lice biology, identification and laboratory methods

2009
Introduction: This section provides a brief overview of aspects of sea lice biology and simplified methods to identify the difference species found on salmonids in British Columbia. The term sea louse (pl. sea lice) is the common name used for several species of marine ectoparasitic copepods of the family Caligidae (Order Copepoda: Suborder ...
Galbraith, M., Johnson, S. C., Jones, S. R. M.   +2 more
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Monooxygenase mediated pyrethroid detoxification in sea lice (Lepeophtheirus salmonis)

Pest Management Science, 2005
AbstractThe role of monooxygenases in detoxification of the pyrethroids cypermethrin and deltamethrin was examined. Four strains of sea lice (Lepeophtheirus salmonis Krøyer) with normal or moderately reduced sensitivity towards the pyrethroids were tested in bioassays by exposure to the pyrethroid alone and in combination with an oxygenase inhibitor ...
Sigmund, Sevatdal, Anders, Fallang, Kristian, Ingebrigtsen, Tor Einar, Horsberg   +3 more
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