Salmon lice
Characterisation of proteins in excretory/secretory products collected from salmon lice, Lepeophtheirus salmonis
... by salmon lice have long been thought to be important for the success of the parasite in evading the host immune response [12, ...pre-adult salmon lice ...the salmon louse and its host ...
9
Effects of salmon lice Lepeophtheirus salmonis on wild sea trout Salmo trutta – a literature review
... for salmon lice intensities on marine salmon farms and wild populations, in addition to observa- tions of the incidence of premature return by sea trout, indicate that salmon lice from ...
23
Sensitivity of salmon lice (Lepeophtheirus salmonis) in New Brunswick, Canada, to the organophosphate Salmosan® (w/w 50% azamethiphos) using bioassays
... sea lice (by stage) remaining on the fish following a treatment, indicates azamethiphos was effective at reducing the number of sea lice (both AF and PAAM) post-treatment (Figures 2A and 2B) although there ...
22
Development of a randomized two-dimensional response surface pathway design with two interventional and one response variables
... pens, salmon lice were counted in the control net pens after each treatment and the change in spreading duration based on the corrected ...on lice reduction in the second and third design ...
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Temporal and spatial variations in lice numbers on salmon farms in the Hardanger fjord 2004-06
... the salmon farming industry is the dominant source of salmon lice because of the high number of fish in farms (Heuch & Mo 2001; Heuch, Bjørn, Finstad, Holst, Asplin & Nilsen ...of lice ...
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Evaluating the potential for sea lice to evolve freshwater tolerance as a consequence of freshwater treatments in salmon aquaculture
... the salmon in the larger net pen, they must enter the snorkel in order to reach the surface and gulp air, a behavior which is necessary for maintaining their air bladder equilibrium (Saunders ...sea lice ...
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Confidence in assessing the effectiveness of bath treatments for the control of sea lice on Norwegian salmon farms
... This research is part of a multi-disciplinary project (Topilouse) to improve the application of bath treatments against salmon lice. This research was funded by the Norwegian Research Council, the Fisheries ...
8
Nutrigenomic effects of glucosinolates on liver, muscle and distal kidney in parasite free and salmon louse infected Atlantic salmon
... For qPCR analysis, RNA from 9 fish from the Trial 1 groups; NI-C, NI-13, and Trial 2 groups; I-3.6, I-13 and I-C, were used. NI-C from Trial 1 was deemed as an ap- propriate control for fish in Trial 2 as both trials ...
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Documentation of Village Pharmacy as Ecto Parasite Control
... ticks, lice, flea and mites was to be investigated on animals at different buffalo farms, but it was noted that flea and mites were absent and not a single animal was found under infestation of these two species; ...
14
Head Lice
... head lice infestation likely has had the infes- tation for 1 month or more by the time it is discovered and poses little risk to others from the infestation, he or she should remain in class but be discour- aged ...
14
The use of prevalence as a measure of lice burden: a case study of Lepeophtheirus salmonis on Scottish Atlantic salmon, Salmo salar L., farms
... All sites were managed by a single industrial partner who adopted a uniform sea lice monitoring regime integrated into a health management pro gramme. As part of this programme, sea lice levels were ...
11
Head Lice
... 4. Carefully communicated instruc- tions on the proper use of prod- ucts are important. Because current products are not com- pletely ovicidal, applying the product at least twice, at proper intervals, is indicated if ...
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Changes in epidemiological patterns of sea lice infestation on farmed Atlantic salmon, Salmo salar L., in Scotland between 1996 and 2006
... sea lice monitoring pro gramme was in place throughout the period of study, proportionally fewer fish were sampled from 2002 ...that lice pressure has historically been observed to be greatest at this stage ...
10
Head Lice
... head lice infestation has likely had the infestation for a month or more by the time it is discovered, poses little risk to others, and does not have a resulting health problem, he or she should remain in class ...
8
Mate limitation in sea lice infesting wild salmon hosts : the influence of parasite sex ratio and aggregation
... pink salmon can suffer mortality as a result of predation by other salmon species, sea lice have been recorded to escape predation on their host by trophic transmission ...
19
Multivariate evaluation of the effectiveness of treatment efficacy of cypermethrin against sea lice (Lepeophtheirus salmonis) in Atlantic salmon (Salmo salar)
... Arithmetic mean and median abundance (number of lice per fish) and prevalence (number of fish with lice) values were calculated for each stage group of L. salmonis to characterize the level of infestation ...
9
Sea lice monitoring on Atlantic salmon farms in New Brunswick, Canada : comparing audit and farm staff counts
... Sea lice audits were performed by the Atlantic Veterinary College on commercial aquaculture sites in New Brunswick, Canada in ...similar lice counts to third-party counts, more detailed comparisons were ...
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Mate limitation in sea lice infesting wild salmon hosts : the influence of parasite sex ratio and aggregation
... pink salmon can suffer mortality as a result of predation by other salmon species, sea lice have been recorded to escape predation on their host by trophic transmission ...
19
The biology and use of wrasse (labridae) as a biological control of external parasites in salmonid cultures
... From the results on the levels of lice infestation in the cages with and without wrasse it seems that the wrasse do have the ability to keep the salmon smolts relatively free of lice at [r] ...
131
Sea lice infestations on juvenile chum and pink salmon in the Broughton Archipelago, Canada, from 2003 to 2012
... of lice infestation depends on fish length and that this risk factor differs between the 2 fish species ...stage lice, and experimental data indicate few lice survive to reach motile stage (Jones et ...
13