Semiochemical strategies for sea louse control: host location cues
The development of behavioural bioassays and electrophysiological recording techniques has enabled the role of semiochemicals to be investigated for the first time in Lepeophtheirus salmonis (Krøyer). Adult male sea lice L salmonis were activated by, and attracted to, salmon-conditioned water (SCW)...
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Online Access: | https://orca.cardiff.ac.uk/id/eprint/154747/ https://doi.org/10.1002/ps.510 |
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ftunivcardiff:oai:https://orca.cardiff.ac.uk:154747 2023-05-15T15:32:29+02:00 Semiochemical strategies for sea louse control: host location cues Ingvarsdóttir, Anna Birkett, Michael A Duce, Ian Genna, Richard L Mordue, William Pickett, John A Wadhams, Lester J Mordue Luntz, A Jennifer 2002-05-07 https://orca.cardiff.ac.uk/id/eprint/154747/ https://doi.org/10.1002/ps.510 unknown Wiley Ingvarsdóttir, Anna, Birkett, Michael A, Duce, Ian, Genna, Richard L, Mordue, William, Pickett, John A https://orca.cardiff.ac.uk/view/cardiffauthors/A23568735.html orcid:0000-0002-1008-6595 orcid:0000-0002-1008-6595, Wadhams, Lester J and Mordue Luntz, A Jennifer 2002. Semiochemical strategies for sea louse control: host location cues. Pest Management Science 58 (6) , pp. 537-545. 10.1002/ps.510 https://doi.org/10.1002/ps.510 doi:10.1002/ps.510 Article PeerReviewed 2002 ftunivcardiff https://doi.org/10.1002/ps.510 2023-01-19T23:36:07Z The development of behavioural bioassays and electrophysiological recording techniques has enabled the role of semiochemicals to be investigated for the first time in Lepeophtheirus salmonis (Krøyer). Adult male sea lice L salmonis were activated by, and attracted to, salmon-conditioned water (SCW) and SCW extract. Non-host fish odours, turbot-conditioned water (TCW) and turbot-conditioned water extract (TCW extract), elicited activation but no attraction in the lice. Solid-phase extraction techniques were developed to extract low molecular weight components of fish odours, and biological activity was shown to be confined to these. Electrophysiological activity from aesthetascs in the first antennae was found and neural responses to odours were recorded from the antennal nerves. Preliminary experiments on individual chemicals (isophorone, 1-octen-3-ol) linked to salmon revealed behavioural activation and electrophysiological responses in adult male L salmonis. Isophorone was shown to be significantly attractive to sea lice when placed in a slow-release system in a perfused tank of seawater in a choice situation. Proof of concept has been established for successfully extracting odour cues from seawater, analysing their biological activity and applying these to slow-release technologies for field trapping of lice. Future work involving linked GC–MS techniques using behaviour, electrophysiological responses, and organolepsis will establish further host location cues specific to Atlantic salmon. Article in Journal/Newspaper Atlantic salmon Turbot Cardiff University: ORCA (Online Research @ Cardiff) Pest Management Science 58 6 537 545 |
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Cardiff University: ORCA (Online Research @ Cardiff) |
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ftunivcardiff |
language |
unknown |
description |
The development of behavioural bioassays and electrophysiological recording techniques has enabled the role of semiochemicals to be investigated for the first time in Lepeophtheirus salmonis (Krøyer). Adult male sea lice L salmonis were activated by, and attracted to, salmon-conditioned water (SCW) and SCW extract. Non-host fish odours, turbot-conditioned water (TCW) and turbot-conditioned water extract (TCW extract), elicited activation but no attraction in the lice. Solid-phase extraction techniques were developed to extract low molecular weight components of fish odours, and biological activity was shown to be confined to these. Electrophysiological activity from aesthetascs in the first antennae was found and neural responses to odours were recorded from the antennal nerves. Preliminary experiments on individual chemicals (isophorone, 1-octen-3-ol) linked to salmon revealed behavioural activation and electrophysiological responses in adult male L salmonis. Isophorone was shown to be significantly attractive to sea lice when placed in a slow-release system in a perfused tank of seawater in a choice situation. Proof of concept has been established for successfully extracting odour cues from seawater, analysing their biological activity and applying these to slow-release technologies for field trapping of lice. Future work involving linked GC–MS techniques using behaviour, electrophysiological responses, and organolepsis will establish further host location cues specific to Atlantic salmon. |
format |
Article in Journal/Newspaper |
author |
Ingvarsdóttir, Anna Birkett, Michael A Duce, Ian Genna, Richard L Mordue, William Pickett, John A Wadhams, Lester J Mordue Luntz, A Jennifer |
spellingShingle |
Ingvarsdóttir, Anna Birkett, Michael A Duce, Ian Genna, Richard L Mordue, William Pickett, John A Wadhams, Lester J Mordue Luntz, A Jennifer Semiochemical strategies for sea louse control: host location cues |
author_facet |
Ingvarsdóttir, Anna Birkett, Michael A Duce, Ian Genna, Richard L Mordue, William Pickett, John A Wadhams, Lester J Mordue Luntz, A Jennifer |
author_sort |
Ingvarsdóttir, Anna |
title |
Semiochemical strategies for sea louse control: host location cues |
title_short |
Semiochemical strategies for sea louse control: host location cues |
title_full |
Semiochemical strategies for sea louse control: host location cues |
title_fullStr |
Semiochemical strategies for sea louse control: host location cues |
title_full_unstemmed |
Semiochemical strategies for sea louse control: host location cues |
title_sort |
semiochemical strategies for sea louse control: host location cues |
publisher |
Wiley |
publishDate |
2002 |
url |
https://orca.cardiff.ac.uk/id/eprint/154747/ https://doi.org/10.1002/ps.510 |
genre |
Atlantic salmon Turbot |
genre_facet |
Atlantic salmon Turbot |
op_relation |
Ingvarsdóttir, Anna, Birkett, Michael A, Duce, Ian, Genna, Richard L, Mordue, William, Pickett, John A https://orca.cardiff.ac.uk/view/cardiffauthors/A23568735.html orcid:0000-0002-1008-6595 orcid:0000-0002-1008-6595, Wadhams, Lester J and Mordue Luntz, A Jennifer 2002. Semiochemical strategies for sea louse control: host location cues. Pest Management Science 58 (6) , pp. 537-545. 10.1002/ps.510 https://doi.org/10.1002/ps.510 doi:10.1002/ps.510 |
op_doi |
https://doi.org/10.1002/ps.510 |
container_title |
Pest Management Science |
container_volume |
58 |
container_issue |
6 |
container_start_page |
537 |
op_container_end_page |
545 |
_version_ |
1766362979815653376 |