A field efficacy evaluation of emamectin benzoate for the control of sea lice on Atlantic salmon
This study evaluated the efficacy of emamectin benzoate, 0.2% aquaculture premix, against sea lice on Atlantic salmon in eastern Canada. Salmon pens received either emamectin benzoate, orally, in feed at 50 micrograms/kg body weight/day for 7 consecutive days, or the same diet with no added medicati...
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| Veröffentlicht in: | Canadian veterinary journal 2000-08, Vol.41 (8), p.607-612 |
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| creator | Armstrong, R MacPhee, D Katz, T Endris, R |
| description | This study evaluated the efficacy of emamectin benzoate, 0.2% aquaculture premix, against sea lice on Atlantic salmon in eastern Canada. Salmon pens received either emamectin benzoate, orally, in feed at 50 micrograms/kg body weight/day for 7 consecutive days, or the same diet with no added medication. The site veterinarian had the option of administering a bath treatment with azamethiphos to any pen in the trial. The mean number of lice per fish was lower (P < 0.05) in the experimental group when measured 1, 3, 4, and 6 weeks after the start of medication. Treatment efficacy was 70%, 88%, 95%, and 61%, respectively. Three azamethiphos bath treatments were applied to each control pen during the trial, while the treatment pens received no bath treatment. No gravid female parasites were observed on any fish in the treatment group, while these life stages were observed on fish in the control group. Orally administered emamectin benzoate was palatable and highly effective for control of sea lice on salmon. |
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Salmon pens received either emamectin benzoate, orally, in feed at 50 micrograms/kg body weight/day for 7 consecutive days, or the same diet with no added medication. The site veterinarian had the option of administering a bath treatment with azamethiphos to any pen in the trial. The mean number of lice per fish was lower (P < 0.05) in the experimental group when measured 1, 3, 4, and 6 weeks after the start of medication. Treatment efficacy was 70%, 88%, 95%, and 61%, respectively. Three azamethiphos bath treatments were applied to each control pen during the trial, while the treatment pens received no bath treatment. No gravid female parasites were observed on any fish in the treatment group, while these life stages were observed on fish in the control group. 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Orally administered emamectin benzoate was palatable and highly effective for control of sea lice on salmon.</description><subject>Administration, Oral</subject><subject>Animals</subject><subject>Aquaculture</subject><subject>Crustacea - parasitology</subject><subject>Diet</subject><subject>Female</subject><subject>Insecticides - administration & dosage</subject><subject>Ivermectin - administration & dosage</subject><subject>Ivermectin - analogs & derivatives</subject><subject>Marine</subject><subject>Pest Control - methods</subject><subject>Salmo salar</subject><subject>Salmo salar - parasitology</subject><issn>0008-5286</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpVkE9PwzAMxXsAsTH4CignbpWcpO3aC9I08U-axAXOwc0cFpQ2o0knjU9PJgaCky2959-zfZJNAaDOS1FXk-w8hHcA0fAKzrIJh6YouSin2euCGUtuzcgYq1HvGe3QjRit75k3jDrsSEfbs5b6T4-RmPEDixti2vdx8O7gCoTMWU0sDS2iwz5azQK6zvcX2alBF-jyWGfZy93t8_IhXz3dPy4Xq3wrGhnzohIkOAmhAYxEqKFoW5m6krcgAcVcg-QiiRxqFFwUVEopgUCsuUmIWXbzzd2ObUdrTWk5dGo72A6HvfJo1X-ltxv15neKF_NKyAPg-ggY_MdIIarOBk0uXUN-DCplVk3BIRmv_ib9Rvw8VX4BXMJyoA</recordid><startdate>200008</startdate><enddate>200008</enddate><creator>Armstrong, R</creator><creator>MacPhee, D</creator><creator>Katz, T</creator><creator>Endris, R</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7TN</scope><scope>F1W</scope><scope>H95</scope><scope>H98</scope><scope>L.G</scope><scope>5PM</scope></search><sort><creationdate>200008</creationdate><title>A field efficacy evaluation of emamectin benzoate for the control of sea lice on Atlantic salmon</title><author>Armstrong, R ; MacPhee, D ; Katz, T ; Endris, R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p293t-462e21e22c00f3a0804bb3f3a51b030a27c031200f108a2124e53330e02d1f293</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Administration, Oral</topic><topic>Animals</topic><topic>Aquaculture</topic><topic>Crustacea - parasitology</topic><topic>Diet</topic><topic>Female</topic><topic>Insecticides - administration & dosage</topic><topic>Ivermectin - administration & dosage</topic><topic>Ivermectin - analogs & derivatives</topic><topic>Marine</topic><topic>Pest Control - methods</topic><topic>Salmo salar</topic><topic>Salmo salar - parasitology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Armstrong, R</creatorcontrib><creatorcontrib>MacPhee, D</creatorcontrib><creatorcontrib>Katz, T</creatorcontrib><creatorcontrib>Endris, R</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>Oceanic Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Aquaculture Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Canadian veterinary journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Armstrong, R</au><au>MacPhee, D</au><au>Katz, T</au><au>Endris, R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A field efficacy evaluation of emamectin benzoate for the control of sea lice on Atlantic salmon</atitle><jtitle>Canadian veterinary journal</jtitle><addtitle>Can Vet J</addtitle><date>2000-08</date><risdate>2000</risdate><volume>41</volume><issue>8</issue><spage>607</spage><epage>612</epage><pages>607-612</pages><issn>0008-5286</issn><abstract>This study evaluated the efficacy of emamectin benzoate, 0.2% aquaculture premix, against sea lice on Atlantic salmon in eastern Canada. 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| ispartof | Canadian veterinary journal, 2000-08, Vol.41 (8), p.607-612 |
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| source | MEDLINE; EZB-FREE-00999 freely available EZB journals; PubMed Central |
| subjects | Administration, Oral Animals Aquaculture Crustacea - parasitology Diet Female Insecticides - administration & dosage Ivermectin - administration & dosage Ivermectin - analogs & derivatives Marine Pest Control - methods Salmo salar Salmo salar - parasitology |
| title | A field efficacy evaluation of emamectin benzoate for the control of sea lice on Atlantic salmon |
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