The settlement and survival of the salmon louse, Lepeophtheirus salmonis (Krøyer, 1837), on atypical hosts
The parasitic copepod Lepeophtheirus salmonis is an ectoparasitic crustacean responsible for serious fish health problems in marine salmonid aquaculture in Europe and North America often requiring treatment with chemotherapeutents. The copepodid stage of L. salmonis has been reported to infect non-s...
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| Veröffentlicht in: | Aquaculture 2009-03, Vol.288 (3-4), p.321-324 |
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| creator | Pert, Campbell C. Mordue (Luntz), A. Jennifer Fryer, Robert J. O'Shea, Bríd Bricknell, Ian R. |
| description | The parasitic copepod Lepeophtheirus salmonis is an ectoparasitic crustacean responsible for serious fish health problems in marine salmonid aquaculture in Europe and North America often requiring treatment with chemotherapeutents. The copepodid stage of L. salmonis has been reported to infect non-salmonid hosts such as saithe and successfully moult to the chalimus stages. We investigated this phenomenon by conducting tank trials using three fish species (Atlantic salmon, saithe and Atlantic cod), each of which was exposed to infective L. salmonis copepodids and destructively sampled at 24, 48, 72 and 96 h post infection. Atlantic salmon had significantly more lice/fish than either Atlantic cod or saithe at all time points post infection, suggesting reduced settlement and/or survival of copepodids on saithe and cod compared to salmon. Survival on saithe was significantly higher than on cod at 24 and 48 h, but did not differ significantly at 72 or 96 h. No lice were found on saithe or cod at 96 h, indicating that these species are unsuitable hosts for the copepodid stage of L. salmonis. |
| doi_str_mv | 10.1016/j.aquaculture.2008.12.005 |
| format | Article |
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Jennifer ; Fryer, Robert J. ; O'Shea, Bríd ; Bricknell, Ian R.</creator><creatorcontrib>Pert, Campbell C. ; Mordue (Luntz), A. Jennifer ; Fryer, Robert J. ; O'Shea, Bríd ; Bricknell, Ian R.</creatorcontrib><description>The parasitic copepod Lepeophtheirus salmonis is an ectoparasitic crustacean responsible for serious fish health problems in marine salmonid aquaculture in Europe and North America often requiring treatment with chemotherapeutents. The copepodid stage of L. salmonis has been reported to infect non-salmonid hosts such as saithe and successfully moult to the chalimus stages. We investigated this phenomenon by conducting tank trials using three fish species (Atlantic salmon, saithe and Atlantic cod), each of which was exposed to infective L. salmonis copepodids and destructively sampled at 24, 48, 72 and 96 h post infection. Atlantic salmon had significantly more lice/fish than either Atlantic cod or saithe at all time points post infection, suggesting reduced settlement and/or survival of copepodids on saithe and cod compared to salmon. Survival on saithe was significantly higher than on cod at 24 and 48 h, but did not differ significantly at 72 or 96 h. No lice were found on saithe or cod at 96 h, indicating that these species are unsuitable hosts for the copepodid stage of L. salmonis.</description><identifier>ISSN: 0044-8486</identifier><identifier>EISSN: 1873-5622</identifier><identifier>DOI: 10.1016/j.aquaculture.2008.12.005</identifier><identifier>CODEN: AQCLAL</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Animal aquaculture ; Animal productions ; Aquaculture ; Atlantic cod ; Atypical hosts ; Biological and medical sciences ; Cod ; cod (fish) ; Copepoda ; Crustacea ; Crustaceans ; ectoparasites ; fish culture ; fish diseases ; Fundamental and applied biological sciences. Psychology ; Gadus morhua ; General aspects ; host range ; host specificity ; host-parasite relationships ; Invertebrates ; Lepeophtheirus salmonis ; mariculture ; Marine ; mortality ; Nonnative species ; Pollachius virens ; Saithe ; Salmo salar ; Salmon ; Salmon louse ; Salmonids ; Settlement</subject><ispartof>Aquaculture, 2009-03, Vol.288 (3-4), p.321-324</ispartof><rights>2008 Elsevier B.V.</rights><rights>2009 INIST-CNRS</rights><rights>Copyright Elsevier Sequoia S.A. 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Jennifer</creatorcontrib><creatorcontrib>Fryer, Robert J.</creatorcontrib><creatorcontrib>O'Shea, Bríd</creatorcontrib><creatorcontrib>Bricknell, Ian R.</creatorcontrib><title>The settlement and survival of the salmon louse, Lepeophtheirus salmonis (Krøyer, 1837), on atypical hosts</title><title>Aquaculture</title><description>The parasitic copepod Lepeophtheirus salmonis is an ectoparasitic crustacean responsible for serious fish health problems in marine salmonid aquaculture in Europe and North America often requiring treatment with chemotherapeutents. The copepodid stage of L. salmonis has been reported to infect non-salmonid hosts such as saithe and successfully moult to the chalimus stages. We investigated this phenomenon by conducting tank trials using three fish species (Atlantic salmon, saithe and Atlantic cod), each of which was exposed to infective L. salmonis copepodids and destructively sampled at 24, 48, 72 and 96 h post infection. 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Psychology</subject><subject>Gadus morhua</subject><subject>General aspects</subject><subject>host range</subject><subject>host specificity</subject><subject>host-parasite relationships</subject><subject>Invertebrates</subject><subject>Lepeophtheirus salmonis</subject><subject>mariculture</subject><subject>Marine</subject><subject>mortality</subject><subject>Nonnative species</subject><subject>Pollachius virens</subject><subject>Saithe</subject><subject>Salmo salar</subject><subject>Salmon</subject><subject>Salmon louse</subject><subject>Salmonids</subject><subject>Settlement</subject><issn>0044-8486</issn><issn>1873-5622</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqNkUGP0zAQhSMEEmXhN2CQQIvUhBnbcZIjqlhAVOLA7tlyHZu6pHHXdir1n3Hnj-GoFUJc4OTD--b5zbyieIFQIaB4u6vU_aT0NKQpmIoCtBXSCqB-UCywbVhZC0ofFgsAzsuWt-Jx8STGHQAIUeOi-H67NSSalAazN2MiauxJnMLRHdVAvCVpltWw9yMZ_BTNkqzNwfjDNgsuTPEiukiuP4efP04mLAm2rHmzJHlEpdPB6ey09THFp8Ujq4Zonl3eq-Lu5v3t6mO5_vLh0-rdutRc8FRqqAVTatNopYHZRnQbpZDxntkWdd1p3gNFaPqm63rVbXpq0QClnWWssYqyq-L12fcQ_P1kYpJ7F7UZBjWavIOkwKHOGf8JIgfMJxUZfPkXuPNTGPMSs1nTIvI2Q90Z0sHHGIyVh-D2KpwkgpzLkjv5R1lyLksilbmsPPvq8oGK-V42qFG7-NuAIsOa4Rzk-Zmzykv1LWTm7isFZNkesBFzitWZMPnCR2eCjNqZUZveBaOT7L37jzy_AIkwuhk</recordid><startdate>20090320</startdate><enddate>20090320</enddate><creator>Pert, Campbell C.</creator><creator>Mordue (Luntz), A. 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Psychology</topic><topic>Gadus morhua</topic><topic>General aspects</topic><topic>host range</topic><topic>host specificity</topic><topic>host-parasite relationships</topic><topic>Invertebrates</topic><topic>Lepeophtheirus salmonis</topic><topic>mariculture</topic><topic>Marine</topic><topic>mortality</topic><topic>Nonnative species</topic><topic>Pollachius virens</topic><topic>Saithe</topic><topic>Salmo salar</topic><topic>Salmon</topic><topic>Salmon louse</topic><topic>Salmonids</topic><topic>Settlement</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pert, Campbell C.</creatorcontrib><creatorcontrib>Mordue (Luntz), A. 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We investigated this phenomenon by conducting tank trials using three fish species (Atlantic salmon, saithe and Atlantic cod), each of which was exposed to infective L. salmonis copepodids and destructively sampled at 24, 48, 72 and 96 h post infection. Atlantic salmon had significantly more lice/fish than either Atlantic cod or saithe at all time points post infection, suggesting reduced settlement and/or survival of copepodids on saithe and cod compared to salmon. Survival on saithe was significantly higher than on cod at 24 and 48 h, but did not differ significantly at 72 or 96 h. No lice were found on saithe or cod at 96 h, indicating that these species are unsuitable hosts for the copepodid stage of L. salmonis.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.aquaculture.2008.12.005</doi><tpages>4</tpages></addata></record> |
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| identifier | ISSN: 0044-8486 |
| ispartof | Aquaculture, 2009-03, Vol.288 (3-4), p.321-324 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Animal aquaculture Animal productions Aquaculture Atlantic cod Atypical hosts Biological and medical sciences Cod cod (fish) Copepoda Crustacea Crustaceans ectoparasites fish culture fish diseases Fundamental and applied biological sciences. Psychology Gadus morhua General aspects host range host specificity host-parasite relationships Invertebrates Lepeophtheirus salmonis mariculture Marine mortality Nonnative species Pollachius virens Saithe Salmo salar Salmon Salmon louse Salmonids Settlement |
| title | The settlement and survival of the salmon louse, Lepeophtheirus salmonis (Krøyer, 1837), on atypical hosts |
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