Fecundity of various species of strongylids (Nematoda: Strongylidae)-parasites of domestic horses
Identifieur interne : 003E82 ( Main/Exploration ); précédent : 003E81; suivant : 003E83Fecundity of various species of strongylids (Nematoda: Strongylidae)-parasites of domestic horses
Auteurs : T. A. Kuzmina [Ukraine] ; E. T. Lyons [États-Unis] ; S. C. Tolliver [États-Unis] ; I. I. Dzeverin [Ukraine] ; V. A. Kharchenko [Ukraine]Source :
- Parasitology research : (1987) [ 0932-0113 ] ; 2012.
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English descriptors
Abstract
The aims of the study were to determine fecundity of several strongylid species parasitizing domestic horses and analyze possible relations between numbers of eggs in female uteri and size of both the eggs and the nematodes as well as the influence of fecundity on proportion of species in the strongylid community. Twenty-five specimens from each of 15 strongylid species (Strongylus vulgaris, Strongylus edentatus, Triodontophorus serratus, Triodontophorus brevicauda, Triodontophorus tenuicollis, Cyathostomum catinatum, Coronocyclus coronatus, Cylicocyclus nassatus, Cylicocyclus insigne, Cylicocyclus leptostomus, Cylicostephanus calicatus, Cylicostephanus goldi, Cylicostephanus longibursatus, Cylicostephanus minutus, and Poteriostomum imparidentatum) collected after necropsy were studied. The reproductive system was extracted from the female body; all eggs were removed, counted, and measured under a light microscope. Significant differences in number of eggs in female uteri of various strongylid species were observed (Kruskal-Wallis test, p<0.001); the least numbers of eggs were registered in C. longibursatus (average=49) and C. leptostomus (63) and the largest number in S. edentatus (5,918). Significant correlation between nematode body size and number of eggs was observed (p<0.001). Correlation between size of eggs and body size was insignificant (Spearman R=0.11, p=0.70). Negative correlation was observed between number of eggs in female uteri and proportion of these species in strongylid community (Spearman R=-0.78, p<0.001). Multiple linear regression of species proportion in the community on three predictors (number of eggs, body size, and egg size) was not significant (p>0.05). However, the question on influence of fecundity on proportion of species in strongylid community needs further studies.
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A." last="Kuzmina">T. A. Kuzmina</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Schmalhausen Institute of Zoology NAS of Ukraine, vul. B. Khmelnytskogo, 15</s1><s2>Kyiv 01601</s2><s3>UKR</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Ukraine</country><wicri:noRegion>Kyiv 01601</wicri:noRegion></affiliation></author><author><name sortKey="Lyons, E T" sort="Lyons, E T" uniqKey="Lyons E" first="E. T." last="Lyons">E. T. Lyons</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Department of Veterinary Science, Gluck Equine Research Center, University of Kentucky</s1><s2>Lexington, KY 40546-0099</s2><s3>USA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Kentucky</region></placeName></affiliation></author><author><name sortKey="Tolliver, S C" sort="Tolliver, S C" uniqKey="Tolliver S" first="S. C." last="Tolliver">S. C. Tolliver</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Department of Veterinary Science, Gluck Equine Research Center, University of Kentucky</s1><s2>Lexington, KY 40546-0099</s2><s3>USA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Kentucky</region></placeName></affiliation></author><author><name sortKey="Dzeverin, I I" sort="Dzeverin, I I" uniqKey="Dzeverin I" first="I. I." last="Dzeverin">I. I. Dzeverin</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Schmalhausen Institute of Zoology NAS of Ukraine, vul. B. Khmelnytskogo, 15</s1><s2>Kyiv 01601</s2><s3>UKR</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Ukraine</country><wicri:noRegion>Kyiv 01601</wicri:noRegion></affiliation></author><author><name sortKey="Kharchenko, V A" sort="Kharchenko, V A" uniqKey="Kharchenko V" first="V. A." last="Kharchenko">V. A. 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Khmelnytskogo, 15</s1><s2>Kyiv 01601</s2><s3>UKR</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Ukraine</country><wicri:noRegion>Kyiv 01601</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Parasitology research : (1987)</title><title level="j" type="abbreviated">Parasitol. res. : (1987)</title><idno type="ISSN">0932-0113</idno><imprint><date when="2012">2012</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Parasitology research : (1987)</title><title level="j" type="abbreviated">Parasitol. res. : (1987)</title><idno type="ISSN">0932-0113</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Fecundity</term><term>Horse</term><term>Nematoda</term><term>Parasite</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Fécondité</term><term>Parasite</term><term>Cheval</term><term>Nematoda</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Fécondité</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The aims of the study were to determine fecundity of several strongylid species parasitizing domestic horses and analyze possible relations between numbers of eggs in female uteri and size of both the eggs and the nematodes as well as the influence of fecundity on proportion of species in the strongylid community. Twenty-five specimens from each of 15 strongylid species (Strongylus vulgaris, Strongylus edentatus, Triodontophorus serratus, Triodontophorus brevicauda, Triodontophorus tenuicollis, Cyathostomum catinatum, Coronocyclus coronatus, Cylicocyclus nassatus, Cylicocyclus insigne, Cylicocyclus leptostomus, Cylicostephanus calicatus, Cylicostephanus goldi, Cylicostephanus longibursatus, Cylicostephanus minutus, and Poteriostomum imparidentatum) collected after necropsy were studied. The reproductive system was extracted from the female body; all eggs were removed, counted, and measured under a light microscope. Significant differences in number of eggs in female uteri of various strongylid species were observed (Kruskal-Wallis test, p<0.001); the least numbers of eggs were registered in C. longibursatus (average=49) and C. leptostomus (63) and the largest number in S. edentatus (5,918). Significant correlation between nematode body size and number of eggs was observed (p<0.001). Correlation between size of eggs and body size was insignificant (Spearman R=0.11, p=0.70). Negative correlation was observed between number of eggs in female uteri and proportion of these species in strongylid community (Spearman R=-0.78, p<0.001). Multiple linear regression of species proportion in the community on three predictors (number of eggs, body size, and egg size) was not significant (p>0.05). However, the question on influence of fecundity on proportion of species in strongylid community needs further studies.</div></front></TEI><affiliations><list><country><li>Ukraine</li><li>États-Unis</li></country><region><li>Kentucky</li></region></list><tree><country name="Ukraine"><noRegion><name sortKey="Kuzmina, T A" sort="Kuzmina, T A" uniqKey="Kuzmina T" first="T. A." last="Kuzmina">T. A. Kuzmina</name></noRegion><name sortKey="Dzeverin, I I" sort="Dzeverin, I I" uniqKey="Dzeverin I" first="I. I." last="Dzeverin">I. I. Dzeverin</name><name sortKey="Kharchenko, V A" sort="Kharchenko, V A" uniqKey="Kharchenko V" first="V. A." last="Kharchenko">V. A. Kharchenko</name></country><country name="États-Unis"><region name="Kentucky"><name sortKey="Lyons, E T" sort="Lyons, E T" uniqKey="Lyons E" first="E. T." last="Lyons">E. T. Lyons</name></region><name sortKey="Tolliver, S C" sort="Tolliver, S C" uniqKey="Tolliver S" first="S. C." last="Tolliver">S. C. Tolliver</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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