"sea lice"
Evaluating the potential for sea lice to evolve freshwater tolerance as a consequence of freshwater treatments in salmon aquaculture
... Black Sea (Svetlichny & Hubareva 2014), demonstrating the critical role of human actions in freshwater invasions (Lee & Bell ...expose sea lice to a variety of fresh, brackish and saline ...
13
Variation in pre-treatment count lead time and its effect on baseline estimates of cage-level sea lice abundance
... Sea lice abundance for all life stages during spring low temperature was generally low as opposed to the other ...that sea lice persist over winter on farmed salmon, but at reduced prevalence ...
18
Context dependent reduction in somatic condition of wild Atlantic salmon infested with sea lice
... missing sea age (𝑎) information (Figure ...from sea lice on host condition K, missing 𝑎 values in the NE sample were determined in two steps using a mixture ...
14
Assessment of sea lice (lepeophtheirus salmonis) management in New Brunswick, Canada using deltamethrin (AlphaMax®) through clinical field treatment and laboratory bioassay responses
... comparing sea lice counts (by stage) pre- and post-treatment of a sample of fish from treated ...of sea lice performed in multiple cages at multiple sites, before and after field treatments, ...
35
Confidence in assessing the effectiveness of bath treatments for the control of sea lice on Norwegian salmon farms
... In this study, counts of mobiles were only available for a small proportion of pens on each site, and consequently, evaluation of treatment effect is likely not representative for the whole site as the sample of pens ...
8
Sea lice infestations on juvenile chum and pink salmon in the Broughton Archipelago, Canada, from 2003 to 2012
... of sea lice infestation in the Knight Inlet and Broughton Archipelago regions of coastal British Columbia, Canada, during the months of March to July from 2003 to ...for sea lice infestation ...
13
Mate limitation in sea lice infesting wild salmon hosts : the influence of parasite sex ratio and aggregation
... parasites on these small juvenile hosts have only a limited time window within which to mate. Such density-independent mortality, together with biased sex ratios, can significantly lower the abili- ties of a population to ...
19
Changes in epidemiological patterns of sea lice infestation on farmed Atlantic salmon, Salmo salar L., in Scotland between 1996 and 2006
... routine 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 ...
10
Multivariate evaluation of the effectiveness of treatment efficacy of cypermethrin against sea lice (Lepeophtheirus salmonis) in Atlantic salmon (Salmo salar)
... three lice cycle stages: chalimus, PAAM (pre-adult and adult males) and adult ...of sea lice are routinely conducted by farmers and the results reported to authorities as mandated by Norwegian ...
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 ...
17
A fixed-dose approach to conducting emamectin benzoate tolerance assessments on field-collected sea lice, Lepeophtheirus salmonis
... of sea lice by gender and stage for testing, statistical approach used to estimate effective concentration) (Sevatdal, Copley, Wallace, Jackson, & Horsberg, 2005; Westcott et ...of sea ...
19
Mate limitation in sea lice infesting wild salmon hosts : the influence of parasite sex ratio and aggregation
... ectoparasitic sea lice (Lepeophtheirus salmonis Krøyer) establishing on wild juvenile salmon ...the sea lice was ...of sea lice ...female sea lice tend to be ...
19
Association between sea lice (Lepeophtheirus salmonis) infestation on Atlantic salmon farms and wild Pacific salmon in Muchalat Inlet, Canada
... evidence, sea lice have been identified as a major cause for the decline in some wild Pacific salmon populations on the west coast of ...used sea lice count and management data from farmed and ...
11
Using agent-based modelling to predict the role of wild refugia in the evolution of resistance of sea lice to chemotherapeutants
... after sea louse populations have been counted, that the treatments have an instantaneous effect on the sea lice, and that the treatment is uniformly applied across the whole ...of sea ...
23
Time-series clustering of cage-level sea lice data
... affect sea lice infestation levels, including the fact that cages may be stocked and harvested at different moments, treatments may be applied differentially between cages, and with varying effect, among ...
15
Understanding sources of sea lice for salmon farms in Chile
... adult sea lice in Chile and in other parts of the ...juvenile sea lice counts on farms. The early attached stages of sea lice are difficult to ...
33
A model for sea lice (Lepeophtheirus salmonis) dynamics in a seasonally changing environment
... 2000). Sea lice that develop in colder temperatures are suggested to produce more eggs per egg string as a compensatory strategy for slower development, although the exact mechanism linking tem- perature ...
9
The use of kernel density estimation with a bio-physical model provides a method to quantify connectivity among salmon farms : Spatial planning and management with epidemiological relevance
... additional sea lice treatment and surveillance effort should be focused on this site to break parasite transmission between the two sub-networks of ...difficult sea lice ...a sea ...
14
Sensitivity of salmon lice (Lepeophtheirus salmonis) in New Brunswick, Canada, to the organophosphate Salmosan® (w/w 50% azamethiphos) using bioassays
... PAF sea lice stage, that bioassay was also excluded from the statistical modelling (only a total of 4 of the completed bioassays were conducted on PAF stage sea ...that sea lice stage ...
22
Tool for predicting Caligus rogercresseyi abundance on salt water salmon farms in Chile
... when sea louse abundance is ...starting sea louse abundance post bath treatment was relatively low (75% of the data series started with less than ...1.55 lice per fish). On average, the tool predicts ...
18