Results 161 to 170 of about 253 (197)

Daily patterns in parasite processes: diel variation in fish louse transcriptomes

International Journal for Parasitology, 2022
Parasites, similar to all other organisms, time themselves to environmental cues using a molecular clock to generate and maintain rhythms. Chronotherapeutic (timed treatment) techniques based on such rhythms offer great potential for improving control of chronic, problematic parasites.
Joanne Cable
exaly   +3 more sources

Control of freshwater fish louse Argulus coregoni: a step towards an integrated management strategy [PDF]

Diseases of Aquatic Organisms, 2008
Harmful infections by ectoparasites of the genus Argulus occur repeatedly in freshwater fish farming operations where the management has largely been ineffective. Preventative methods and regular monitoring are rarely applied, so that chemical interventions become necessary.
E Tellervo Valtonen
exaly   +3 more sources

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Physiological responses of fish, Piaractus mesopotamicus, to infection with the freshwater fish louse, Dolops carvalhoi. Abstract

Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 2007
Contains fulltext : 36323.pdf (Publisher’s version ) (Closed access)
Castro, F.J., Wendelaar Bonga, S.E., Fernandes, N.N.   +2 more
openaire   +3 more sources

Diel variation in egg-laying by the freshwater fish louse Argulus foliaceus (Crustacea: Branchiura) [PDF]

Diseases of Aquatic Organisms, 2007
Removal of deposited eggs could be a useful control strategy for the damaging fish ectoparasite Argulus foliaceus, but focused control requires knowledge of egg-laying patterns. Here, we investigated diel changes in the egg-laying behaviour of a natural population of A. foliaceus. Data were collected from 17-28 May 2004.
Harrison, Andrew, Gault, Norman, Dick, J.T.A.   +2 more
exaly   +4 more sources

Identification and characterisation of hemocyanin of the fish louse Argulus (Crustacea: Branchiura)

Journal of Comparative Physiology B, 2015
Hemocyanin transports oxygen in the hemolymph of many arthropod species. Within the crustaceans, this copper-containing protein was thought to be restricted to Malacostraca, while other crustacean classes were assumed to employ hemoglobin or lack any respiratory protein.
Pauline, Pinnow, Andrej, Fabrizius, Christian, Pick, Thorsten, Burmester   +3 more
openaire   +2 more sources

Biological control of the fish louse in a rainbow trout fishery

Journal of Fish Biology, 2002
Novel egg‐laying boards were found to be effective in the biological control of the freshwater fish louse Argulus foliaceus in a 12·9 ha rainbow trout Oncorhynchus mykiss fishery which had a high prevalence and intensity of infection of juvenile parasites in the early spring of 1999. Approximately 228 000 egg clutches were harvested during an extensive
Gault, N F, Kilpatrick, D J, Stewart, M T   +2 more
openaire   +2 more sources

A new species of the fish louse genus Dipteropeltis Calman, 1912 (Crustacea: Branchiura) from Peru

Zootaxa, 2023
Dipteropeltis is a poorly described genus of fish louse endemic to South America. In a small blackwater region within Loreto, Peru, 13 adult and juvenile specimens of an unidentified species of Dipteropeltis Calman, 1912, as well as one adult specimen of D. hirundo Calman, 1912, were observed and collected.
LYRA M. GABOARDI, LAWRENCE E. REEVES, GERMÁN AUGUSTO MURRIETA MOREY, DANIEL L. STANTON, RYAN M. CARNEY   +4 more
openaire   +3 more sources

Seasonal and vertical patterns of egg-laying by the freshwater fish louse Argulus foliaceus (Crustacea: Branchiura) [PDF]

Diseases of Aquatic Organisms, 2006
Argulus foliaceus is a damaging fish ectoparasite for which new control measures are being developed based on egg-removal. In an attempt to develop further understanding of seasonal and vertical egg-laying patterns in this parasite, egg-laying activity was monitored over the period 14 April to 17 November 2003 in 2 rainbow trout Oncorhynchus mykiss ...
Harrison, Andrew, Gault, Norman, Dick, J.T.A.   +2 more
exaly   +3 more sources

Discovery of the fish louse, Argulus japonicus Thiele (Crustacea: Branchiura), in Britain

Aquaculture Research, 1992
exaly   +2 more sources

Countershading by physiological colour change in the fish louse Anilocra physodes L. (Crustacea: Isopoda)

Oecologia, 1982
Specimens of the fish louse Anilocra physodes L. from the Mediterranean Sea exhibited a striking colour asymmetry in their dorsal pigmentation: one longitudinal half of their back was dark, the opposite half was lightcoloured. The dark side corresponded with the physiological upper side when the fish louse was attached to the flank of a host fish.The ...
exaly   +3 more sources