Results 61 to 70 of about 1,038,789 (181)

A Study of Fish Lice (Argulus Sp.) Infection in Freshwater Food Fish

Folia Veterinaria, 2016
Argulus sp., commonly referred to as fish lice, are crustacean ectoparasites of fishes. The hematophagous parasites attach to and feed off the integument of their hosts.
Aalberg K., Koščová L., Šmiga Ľ., Košuth P., Koščo J., Oros M., Barčák D., Lazar P.   +7 more
doaj   +1 more source

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

Frontiers in Genetics, 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
Diego Robledo, Alejandro P. Gutiérrez, Agustín Barría, José M. Yáñez, José M. Yáñez, Ross D. Houston   +5 more
doaj   +1 more source

Selective effects of cleaner fish on salmon louse size, pigmentation, and location on hosts

Aquaculture Environment Interactions
Cleaner fish are stocked into salmon farms to prey on salmon lice Lepeophtheirus salmonis , acting as a form of continuous parasite control. Little is known about how lice adapt to this form of biological control, although anecdotal observations suggest that lice populations in salmon cages ...
Lowri Angharad O'Neill, Andrew Coates, Frode Oppedal, Tim Dempster   +3 more
openaire   +1 more source

Morphological Characterization of Hemocytes of Marine Fish Louse Argulus caecus（Arguloida, Branchiura, Maxillopoda, Crustacea） [PDF]

Morphological characteristics of hemocyte in marine fish louse Argulus caecus were examind. Only a single type of hemocyte, chromophobic granulocyte, was observed in the hemolymph of the fish louse.
Kondo, Masakazu, 30581508, 1252, コンドウ, マサカズ, Takahashi, Yukinori, 70399666, 近藤, 昌和, タカハシ, ユキノリ, 高橋, 幸則, 1254, Yasumoto, Shinya, 安本, 信哉, ヤスモト, シンヤ, 2815   +13 more
core  

First report of reduced sensitivity towards hydrogen peroxide found in the salmon louse Lepeophtheirus salmonis in Norway

Aquaculture Reports, 2015
Reduced sensitivity towards chemotherapeutants in the salmon louse Lepeophtheirus salmonis (Krøyer) is an increasing problem for the fish farming industry.
Kari Olli Helgesen, Harriet Romstad, Stian Mørch Aaen, Tor Einar Horsberg   +3 more
doaj   +1 more source

Identification and Functional Expression of a Glutamate- and Avermectin-Gated Chloride Channel from Caligus rogercresseyi, a Southern Hemisphere Sea Louse Affecting Farmed Fish

PLoS Pathogens, 2014
Parasitic sea lice represent a major sanitary threat to marine salmonid aquaculture, an industry accounting for 7% of world fish production. Caligus rogercresseyi is the principal sea louse species infesting farmed salmon and trout in the southern hemisphere. Most effective control of Caligus has been obtained with macrocyclic lactones (MLs) ivermectin
Cornejo, Isabel, Andrini, Olga, Niemeyer, María Isabel, Marabolí, Vanessa, González-Nilo, F. Danilo, Teulon, Jacques, Sepúlveda, Francisco V., Cid, L. Pablo   +7 more
openaire   +8 more sources

The genome sequence of the fish louse, Anilocra frontalis Milne Edwards, 1840 (Isopoda: Cymothoidae)

Wellcome Open Research
We present a genome assembly from an individual Anilocra frontalis (fish louse; Arthropoda; Malacostraca; Isopoda; Cymothoidae). The genome sequence has a total length of 8,854.04 megabases. Most of the assembly (96.38%) is scaffolded into 8 chromosomal pseudomolecules.
Stephen Trewhella, Jessica A. Thomas Thorpe   +1 more
openaire   +1 more source

Infection of Cypriniform Fishes with Argulus coregoni (Crustacea: Branchiura: Argulidae) in a Low-elevation Stream, Central Japan

Species Diversity
Recent studies have reported that salmonids and ayu Plecoglossus altivelis altivelis (Temminck and Schlegel, 1846), both of which are salmoniform fishes, serve as important hosts for Argulus coregoni Thorell, 1864. These studies found the parasite in the
Kazuya Nagasawa, Hiroyuki Nishimura
doaj   +1 more source

Additional file 1: of Parasitic sea louse infestations on wild sea trout: separating the roles of fish farms and temperature

, 2018
Text 1. Removal of Year as potential confounder. Table S1. Correlations between day and infection pressure (IP) in data set 1. Table S2. Comparison of effect estimates from a negative binomial model of mobile lice counts (NliceM) and a linear model of counts log-transformed and standardized (NliceM_std) (424 observations in each model). Figure S1. Plot
Vollset, Knut, Qviller, Lars, Skår, Bjørnar, Barlaup, Bjørn, Dohoo, Ian   +4 more
openaire   +1 more source

Louse‐induced mortality thresholds in Atlantic salmon of wild‐origin

Conservation Science and Practice
Wild salmonid fish are faced with the challenge of infections from the ectoparasitic salmon louse, which thus dictates the management of salmon aquaculture in areas where farms and wild populations co‐exist.
Samantha Bui, Per Gunnar Fjelldal, Malthe Hvas, Ørjan Karlsen, Sussie Dalvin   +4 more
doaj   +1 more source