Effect of the exogenous soyabean phyto‐oestrogen genistein on sperm quality, ATP content and fertilization rates in channel catfish Ictalurus punctatus (Rafinesque) and walleye Sander vitreus (Mitchill)
Identifieur interne : 000530 ( Istex/Checkpoint ); précédent : 000529; suivant : 000531Effect of the exogenous soyabean phyto‐oestrogen genistein on sperm quality, ATP content and fertilization rates in channel catfish Ictalurus punctatus (Rafinesque) and walleye Sander vitreus (Mitchill)
Auteurs : C. C. Green [États-Unis] ; A. M. Kelly [États-Unis]Source :
- Journal of Fish Biology [ 0022-1112 ] ; 2008-06.
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Abstract
This study examined whether the soya phyto‐oestrogen genistein would have an effect on spermatozoa quality and in vitro fertilization capacity in mature channel catfish Ictalurus punctatus or walleye Sander vitreus. For both species, motility time and motility rank were significantly different among treatment groups and control, with higher genistein concentrations producing significantly lower motility time and motility rank (P ≤ 0·01). Walleye and channel catfish ATP content was significantly lower compared to control treatments at several incubation concentrations and was significantly related to fertilization rate. Fertilization rate was significantly dependant on genistein incubation concentrations (P ≤ 0·01). Additionally, logistic regression showed a significant negative relation between genistein concentration and fertilization in channel catfish (P ≤ 0·01). These results establish that genistein could play a role in reproductive performance within aquaculture species. In addition, these findings warrant further examination of the impact of phyto‐oestrogens in broodstock feeds.
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DOI: 10.1111/j.1095-8649.2008.01855.x
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C." last="Green">C. C. Green</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Fisheries and Illinois Aquaculture Center and Department of Zoology, 1125 Lincoln Drive, Carbondale, IL 62901</wicri:regionArea><placeName><region type="state">Illinois</region></placeName></affiliation></author><author><name sortKey="Kelly, A M" sort="Kelly, A M" uniqKey="Kelly A" first="A. M." last="Kelly">A. M. Kelly</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Fisheries and Illinois Aquaculture Center and Department of Zoology, 1125 Lincoln Drive, Carbondale, IL 62901</wicri:regionArea><placeName><region type="state">Illinois</region></placeName></affiliation><affiliation wicri:level="1"><country wicri:rule="url">États-Unis</country></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of Fish Biology</title><idno type="ISSN">0022-1112</idno><idno type="eISSN">1095-8649</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2008-06">2008-06</date><biblScope unit="volume">72</biblScope><biblScope unit="issue">10</biblScope><biblScope unit="page" from="2485">2485</biblScope><biblScope unit="page" to="2499">2499</biblScope></imprint><idno type="ISSN">0022-1112</idno></series><idno type="istex">2F08E68804DDD9AA1EB8084622E8FD5FDE76CD02</idno><idno type="DOI">10.1111/j.1095-8649.2008.01855.x</idno><idno type="ArticleID">JFB1855</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0022-1112</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>channel catfish</term><term>genistein</term><term>spermatozoa</term><term>walleye</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This study examined whether the soya phyto‐oestrogen genistein would have an effect on spermatozoa quality and in vitro fertilization capacity in mature channel catfish Ictalurus punctatus or walleye Sander vitreus. For both species, motility time and motility rank were significantly different among treatment groups and control, with higher genistein concentrations producing significantly lower motility time and motility rank (P ≤ 0·01). Walleye and channel catfish ATP content was significantly lower compared to control treatments at several incubation concentrations and was significantly related to fertilization rate. Fertilization rate was significantly dependant on genistein incubation concentrations (P ≤ 0·01). Additionally, logistic regression showed a significant negative relation between genistein concentration and fertilization in channel catfish (P ≤ 0·01). These results establish that genistein could play a role in reproductive performance within aquaculture species. In addition, these findings warrant further examination of the impact of phyto‐oestrogens in broodstock feeds.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Illinois</li></region></list><tree><country name="États-Unis"><region name="Illinois"><name sortKey="Green, C C" sort="Green, C C" uniqKey="Green C" first="C. C." last="Green">C. C. Green</name></region><name sortKey="Kelly, A M" sort="Kelly, A M" uniqKey="Kelly A" first="A. M." last="Kelly">A. M. Kelly</name><name sortKey="Kelly, A M" sort="Kelly, A M" uniqKey="Kelly A" first="A. M." last="Kelly">A. M. Kelly</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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