Safety of formalin treatments on warm- and coolwater fish eggs
Identifieur interne : 001985 ( Main/Merge ); précédent : 001984; suivant : 001986Safety of formalin treatments on warm- and coolwater fish eggs
Auteurs : J. J. Rach [États-Unis] ; G. E. Howe [États-Unis] ; T. M. Schreier [États-Unis]Source :
- Aquaculture : (Amsterdam) [ 0044-8486 ] ; 1997.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Pisciculture.
English descriptors
- KwdEn :
Abstract
Copyright (c) 1997 Elsevier Science B.V. All rights reserved. Formalin is widely used for treating fungal infections of fish eggs in intensive aquaculture operations. The use of formalin in the United States is only allowed on salmonid and esocid eggs unless a special exemption is granted for use on other species. This study was conducted to determine the safety of formalin treatments on eggs of representative warm- and coolwater fish species and data was used to support a request to allow the use of formalin on the eggs of warmwater and additional coolwater fish species. Non-eyed eggs of walleye (Stizostedion vitreum), common carp (Cyprinus carpio), white sucker (Catostomus commersoni), channel catfish (Ictalurus punctatus), and lake sturgeon (Acipenser fulvescens) were cultured in miniature egg hatching jars and treated for 45 min every-other-day with 1500, 4500, or 7500 μL L-1 formalin up to hatch. For all species tested, the percent hatch was greater in 1500 μL L-1 treatment groups than in untreated controls. Walleye eggs were the least sensitive species and had a hatch of 87% in the 7500 μL L-1 treatment. Lake sturgeon were the most sensitive species with a mean hatch of 54% in 1500 μL L-1 treatments. Adequate margins of safety exist for standard treatments (1500 μL L-1 for 15 min) on eggs of all species tested except lake sturgeon. Fungal infections drastically reduced or eliminated hatch in most control groups whereas most treated groups were free of infections. This confirms the efficacy of formalin as an fungicide. Published by Elsevier Science B.V.
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Howe</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>National Biological Service, Upper Mississippi Science Center, PO Box 818</s1><s2>La Crosse, WI</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Wisconsin</region></placeName></affiliation></author><author><name sortKey="Schreier, T M" sort="Schreier, T M" uniqKey="Schreier T" first="T. M." last="Schreier">T. M. Schreier</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>National Biological Service, Upper Mississippi Science Center, PO Box 818</s1><s2>La Crosse, WI</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Wisconsin</region></placeName></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">98-0014007</idno><date when="1997">1997</date><idno type="stanalyst">PASCAL 98-0014007 Elsevier</idno><idno type="RBID">Pascal:98-0014007</idno><idno type="wicri:Area/PascalFrancis/Corpus">000431</idno><idno type="wicri:Area/PascalFrancis/Curation">000680</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000435</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000435</idno><idno type="wicri:doubleKey">0044-8486:1997:Rach J:safety:of:formalin</idno><idno type="wicri:Area/Main/Merge">001985</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Safety of formalin treatments on warm- and coolwater fish eggs</title><author><name sortKey="Rach, J J" sort="Rach, J J" uniqKey="Rach J" first="J. J." last="Rach">J. J. Rach</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>National Biological Service, Upper Mississippi Science Center, PO Box 818</s1><s2>La Crosse, WI</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Wisconsin</region></placeName></affiliation></author><author><name sortKey="Howe, G E" sort="Howe, G E" uniqKey="Howe G" first="G. E." last="Howe">G. E. Howe</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>National Biological Service, Upper Mississippi Science Center, PO Box 818</s1><s2>La Crosse, WI</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Wisconsin</region></placeName></affiliation></author><author><name sortKey="Schreier, T M" sort="Schreier, T M" uniqKey="Schreier T" first="T. M." last="Schreier">T. M. Schreier</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>National Biological Service, Upper Mississippi Science Center, PO Box 818</s1><s2>La Crosse, WI</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Wisconsin</region></placeName></affiliation></author></analytic><series><title level="j" type="main">Aquaculture : (Amsterdam)</title><title level="j" type="abbreviated">Aquaculture : (Amst.)</title><idno type="ISSN">0044-8486</idno><imprint><date when="1997">1997</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Aquaculture : (Amsterdam)</title><title level="j" type="abbreviated">Aquaculture : (Amst.)</title><idno type="ISSN">0044-8486</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Antifungal agent</term><term>Catostomus commersoni</term><term>Chemotherapy</term><term>Cyprinus carpio</term><term>Egg</term><term>Harmlessness</term><term>Hatchery</term><term>Infection</term><term>Pisciculture</term><term>Stizostedion vitreum</term><term>Toxicity</term><term>Treatment</term><term>United States</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Antifongique</term><term>Infection</term><term>Oeuf</term><term>Pisciculture</term><term>Chimiothérapie</term><term>Traitement</term><term>Ecloserie</term><term>Innocuité</term><term>Toxicité</term><term>Etats Unis</term><term>Cyprinus carpio</term><term>Catostomus commersoni</term><term>Stizostedion vitreum</term><term>Acipenser fluvescens</term><term>Formaline</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Pisciculture</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Copyright (c) 1997 Elsevier Science B.V. All rights reserved. Formalin is widely used for treating fungal infections of fish eggs in intensive aquaculture operations. The use of formalin in the United States is only allowed on salmonid and esocid eggs unless a special exemption is granted for use on other species. This study was conducted to determine the safety of formalin treatments on eggs of representative warm- and coolwater fish species and data was used to support a request to allow the use of formalin on the eggs of warmwater and additional coolwater fish species. Non-eyed eggs of walleye (Stizostedion vitreum), common carp (Cyprinus carpio), white sucker (Catostomus commersoni), channel catfish (Ictalurus punctatus), and lake sturgeon (Acipenser fulvescens) were cultured in miniature egg hatching jars and treated for 45 min every-other-day with 1500, 4500, or 7500 μL L<sup>-1</sup> formalin up to hatch. For all species tested, the percent hatch was greater in 1500 μL L<sup>-1</sup> treatment groups than in untreated controls. Walleye eggs were the least sensitive species and had a hatch of 87% in the 7500 μL L<sup>-1</sup> treatment. Lake sturgeon were the most sensitive species with a mean hatch of 54% in 1500 μL L<sup>-1</sup> treatments. Adequate margins of safety exist for standard treatments (1500 μL L<sup>-1</sup> for 15 min) on eggs of all species tested except lake sturgeon. Fungal infections drastically reduced or eliminated hatch in most control groups whereas most treated groups were free of infections. This confirms the efficacy of formalin as an fungicide. Published by Elsevier Science B.V.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Wisconsin</li></region></list><tree><country name="États-Unis"><region name="Wisconsin"><name sortKey="Rach, J J" sort="Rach, J J" uniqKey="Rach J" first="J. J." last="Rach">J. J. Rach</name></region><name sortKey="Howe, G E" sort="Howe, G E" uniqKey="Howe G" first="G. E." last="Howe">G. E. Howe</name><name sortKey="Schreier, T M" sort="Schreier, T M" uniqKey="Schreier T" first="T. M." last="Schreier">T. M. Schreier</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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