Results 61 to 70 of about 4,763 (202)

Vertical salmon lice behaviour as a response to environmental conditions and its influence on regional dispersion in a fjord system

Aquaculture Environment Interactions, 2014
The salmon louse Lepeophtheirus salmonis is a major parasite of salmon, and is able to travel between farms during its pelagic phases. We investigated the spatial dispersion of L.
IA Johnsen, Ø Fiksen, AD Sandvik, L Asplin   +3 more
doaj   +1 more source

Mate limitation in sea lice infesting wild salmon hosts : the influence of parasite sex ratio and aggregation [PDF]

, 2017
Mate limitation in dioecious parasite species has the potential to impact parasite population growth. Our focus of interest was the influence of parasite sex distribution among hosts on parasite reproduction and transmission dynamics for populations of ...
Cox, R., Gettinby, G., Groner, M. L., Patanasatienkul, T., Revie, C. W., Todd, C. D.   +5 more
core   +1 more source

Behaviour and Dispersal of Mobile Salmon Lice When Detached From the Host

Journal of Fish Diseases, Volume 48, Issue 11, November 2025.
ABSTRACT Sea lice can flourish when salmon are farmed in open sea‐cages, necessitating treatments to control outbreaks and reduce larval export. However, mobile ectoparasitic stages can be dislodged during crowding or other procedures, and potentially reinfest farmed or wild fish.
Luke T. Barrett, Mari F. Jensen, Sussie Dalvin, Frode Oppedal   +3 more
wiley   +1 more source

Sex-biased gene expression and evolution of candidate reproductive transcripts in adult stages of salmon lice (Lepeophtheirus salmonis)

FACETS, 2019
The salmon louse Lepeophtheirus salmonis (Krøyer 1837) displays numerous sexually dimorphic characteristics. Insights into their underlying molecular components have only recently been explored, which serve to better understand both the basic biology of ...
Dylan R. Michaud, Jordan D. Poley, Mark D. Fast   +2 more
doaj   +1 more source

Modelling the Effectiveness of Gene‐Edited Salmon at Sea Lice Control and the Use of Refugia to Mitigate Counter‐Adaptation

Evolutionary Applications, Volume 18, Issue 10, October 2025.
ABSTRACT Advances in gene‐editing technologies offer opportunities to improve disease management in aquaculture. Gene‐editing applications for farmed Atlantic salmon (Salmo salar) include harnessing innate parasite resistance to protect against salmon lice (Lepeophtheirus salmonis).
Andrew Coates, Nicholas A. Robinson, Tim Dempster, Ben L. Phillips   +3 more
wiley   +1 more source

The use of a general linear model to identify epidemiological factors affecting the abundance of chalimus stages of the sea louse (Lepeophtheirus salmonis) on Scottish salmon farms [PDF]

, 2003
In this communication chalimus lice numbers in the second, third and fourth quarters of the production cycle are examined in relation to a range of prevailing risk factors using an approach based on that already taken for mobile stages (Revie et al.
Gettinby, G., Revie, C.W., Ritchie, G., Treasurer, J.W.   +3 more
core  

Salmon louse Lepeophtheirus salmonis predominates over Caligus elongatus on Atlantic salmon post-smolts in central and western Norway

Aquaculture Environment Interactions
Atlantic salmon Salmo salar are exposed to parasitic sea lice as they enter the marine environment, particularly in areas with high densities of open net-pen salmon farming, where infestations can reach harmful levels.
JF Strøm, S Dalvin, Ø Karlsen, R Nilsen, S Mæhle, RM Serra-Llinares   +5 more
doaj   +1 more source

High level efficacy of lufenuron against sea lice (Lepeophtheirus salmonis) linked to rapid impact on moulting processes

International Journal for Parasitology: Drugs and Drug Resistance, 2018
Drug resistance in the salmon louse Lepeophtheirus salmonis is a global issue for Atlantic salmon aquaculture. Multiple resistance has been described across most available compound classes with the exception of the benzoylureas.
Jordan D. Poley, Laura M. Braden, Amber M. Messmer, Okechukwu O. Igboeli, Shona K. Whyte, Alicia Macdonald, Jose Rodriguez, Marta Gameiro, Lucien Rufener, Jacques Bouvier, Dorota W. Wadowska, Ben F. Koop, Barry C. Hosking, Mark D. Fast   +13 more
doaj   +1 more source

Gene Expression Response to Sea Lice in Atlantic Salmon Skin: RNA Sequencing Comparison Between Resistant and Susceptible Animals [PDF]

, 2018
Sea lice are parasitic copepods that cause large economic losses to salmon aquaculture worldwide. Frequent chemotherapeutic treatments are typically required to control this parasite, and alternative measures such as breeding for improved host resistance
Agustín Barría, Alejandro P. Gutiérrez, Diego Robledo, José M. Yáñez, José M. Yáñez, Ross D. Houston   +5 more
core   +4 more sources

Modulation of Sodium and Ammonia Transporters in the Context of Viral Gill Diseases in Common Carp (Cyprinus carpio)

Journal of Fish Diseases, Volume 48, Issue 10, October 2025.
ABSTRACT Osmoregulation and ammonia removal are among key physiological processes that take place in gills and affect fish homeostasis and well‐being. These processes can be disrupted by numerous environmental factors, but also by viral infections, especially those leading to severe gill disorders.
Maria Zawisza, Muhammad Abdullah, Magdalena Marcinkowska, Marek Matras, Krzysztof Rakus, Mikolaj Adamek   +5 more
wiley   +1 more source