The efficacy of emamectin benzoate as an oral treatment of sea lice, Lepeophtheirus salmonis (KrÒyer), infestations in Atlantic salmon, Salmo salar L.
The efficacy of emamectin benzoate as an oral treatment of sea lice, Lepeophtheirus salmonis (KrÒyer), infestations in Atlantic salmon, Salmo salar L., was evaluated in a dose titration study and two dose confirmation studies. Replicated groups of salmon with induced infestations of sea lice were gi...
Published in: | Journal of Fish Diseases |
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Language: | English |
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Wiley
1999
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Online Access: | http://dx.doi.org/10.1046/j.1365-2761.1999.00176.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1046%2Fj.1365-2761.1999.00176.x https://onlinelibrary.wiley.com/doi/pdf/10.1046/j.1365-2761.1999.00176.x |
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crwiley:10.1046/j.1365-2761.1999.00176.x 2024-06-23T07:51:20+00:00 The efficacy of emamectin benzoate as an oral treatment of sea lice, Lepeophtheirus salmonis (KrÒyer), infestations in Atlantic salmon, Salmo salar L. Stone, J. Sutherland, I. H. Sommerville, C. S. Richards, R. H. Varma, K. J. 1999 http://dx.doi.org/10.1046/j.1365-2761.1999.00176.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1046%2Fj.1365-2761.1999.00176.x https://onlinelibrary.wiley.com/doi/pdf/10.1046/j.1365-2761.1999.00176.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Journal of Fish Diseases volume 22, issue 4, page 261-270 ISSN 0140-7775 1365-2761 journal-article 1999 crwiley https://doi.org/10.1046/j.1365-2761.1999.00176.x 2024-06-13T04:22:43Z The efficacy of emamectin benzoate as an oral treatment of sea lice, Lepeophtheirus salmonis (KrÒyer), infestations in Atlantic salmon, Salmo salar L., was evaluated in a dose titration study and two dose confirmation studies. Replicated groups of salmon with induced infestations of sea lice were given emamectin benzoate on pelleted feed at doses of 0, 25, 50 and 100 μg kg −1 biomass day −1 for seven consecutive days. Sea lice were counted at 7, 14 and 21 days from the start of treatment, and comparisons made with control fish given the same diet without emamectin benzoate. Total numbers of sea lice were significantly reduced at all doses in all three studies when compared to control fish. There was no significant difference between doses of 50 and 100 μg kg −1 , but the 50 μg kg −1 dose resulted in significantly fewer lice than the 25 μg kg −1 dose. Emamectin benzoate was highly effective in reducing numbers of preadult and adult lice and prevented the maturation of chalimus to motile stages. The optimum therapeutic dose was selected as 50 μg kg −1 day −1 for seven days. Treatment reduced the incidence of epidermal damage by sea lice and, in one study, survival of treated fish was 48% higher than in control groups. No fish mortalities or adverse effects were attributed to treatment with emamectin benzoate at any of the doses tested. Article in Journal/Newspaper Atlantic salmon Salmo salar Wiley Online Library Journal of Fish Diseases 22 4 261 270 |
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Open Polar |
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Wiley Online Library |
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crwiley |
language |
English |
description |
The efficacy of emamectin benzoate as an oral treatment of sea lice, Lepeophtheirus salmonis (KrÒyer), infestations in Atlantic salmon, Salmo salar L., was evaluated in a dose titration study and two dose confirmation studies. Replicated groups of salmon with induced infestations of sea lice were given emamectin benzoate on pelleted feed at doses of 0, 25, 50 and 100 μg kg −1 biomass day −1 for seven consecutive days. Sea lice were counted at 7, 14 and 21 days from the start of treatment, and comparisons made with control fish given the same diet without emamectin benzoate. Total numbers of sea lice were significantly reduced at all doses in all three studies when compared to control fish. There was no significant difference between doses of 50 and 100 μg kg −1 , but the 50 μg kg −1 dose resulted in significantly fewer lice than the 25 μg kg −1 dose. Emamectin benzoate was highly effective in reducing numbers of preadult and adult lice and prevented the maturation of chalimus to motile stages. The optimum therapeutic dose was selected as 50 μg kg −1 day −1 for seven days. Treatment reduced the incidence of epidermal damage by sea lice and, in one study, survival of treated fish was 48% higher than in control groups. No fish mortalities or adverse effects were attributed to treatment with emamectin benzoate at any of the doses tested. |
format |
Article in Journal/Newspaper |
author |
Stone, J. Sutherland, I. H. Sommerville, C. S. Richards, R. H. Varma, K. J. |
spellingShingle |
Stone, J. Sutherland, I. H. Sommerville, C. S. Richards, R. H. Varma, K. J. The efficacy of emamectin benzoate as an oral treatment of sea lice, Lepeophtheirus salmonis (KrÒyer), infestations in Atlantic salmon, Salmo salar L. |
author_facet |
Stone, J. Sutherland, I. H. Sommerville, C. S. Richards, R. H. Varma, K. J. |
author_sort |
Stone, J. |
title |
The efficacy of emamectin benzoate as an oral treatment of sea lice, Lepeophtheirus salmonis (KrÒyer), infestations in Atlantic salmon, Salmo salar L. |
title_short |
The efficacy of emamectin benzoate as an oral treatment of sea lice, Lepeophtheirus salmonis (KrÒyer), infestations in Atlantic salmon, Salmo salar L. |
title_full |
The efficacy of emamectin benzoate as an oral treatment of sea lice, Lepeophtheirus salmonis (KrÒyer), infestations in Atlantic salmon, Salmo salar L. |
title_fullStr |
The efficacy of emamectin benzoate as an oral treatment of sea lice, Lepeophtheirus salmonis (KrÒyer), infestations in Atlantic salmon, Salmo salar L. |
title_full_unstemmed |
The efficacy of emamectin benzoate as an oral treatment of sea lice, Lepeophtheirus salmonis (KrÒyer), infestations in Atlantic salmon, Salmo salar L. |
title_sort |
efficacy of emamectin benzoate as an oral treatment of sea lice, lepeophtheirus salmonis (kròyer), infestations in atlantic salmon, salmo salar l. |
publisher |
Wiley |
publishDate |
1999 |
url |
http://dx.doi.org/10.1046/j.1365-2761.1999.00176.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1046%2Fj.1365-2761.1999.00176.x https://onlinelibrary.wiley.com/doi/pdf/10.1046/j.1365-2761.1999.00176.x |
genre |
Atlantic salmon Salmo salar |
genre_facet |
Atlantic salmon Salmo salar |
op_source |
Journal of Fish Diseases volume 22, issue 4, page 261-270 ISSN 0140-7775 1365-2761 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1046/j.1365-2761.1999.00176.x |
container_title |
Journal of Fish Diseases |
container_volume |
22 |
container_issue |
4 |
container_start_page |
261 |
op_container_end_page |
270 |
_version_ |
1802642393993838592 |