Sperm density, seminal plasma composition and their physiological relationship in the endangered Caspian brown trout (Salmo trutta caspius)
Identifieur interne : 000A15 ( Istex/Corpus ); précédent : 000A14; suivant : 000A16Sperm density, seminal plasma composition and their physiological relationship in the endangered Caspian brown trout (Salmo trutta caspius)
Auteurs : Azadeh Hatef ; Hamid Niksirat ; Bagher Mojazi Amiri ; Sayed Mohammad Hadi Alavi ; Mahmoud KaramiSource :
- Aquaculture Research [ 1355-557X ] ; 2007-08.
English descriptors
Abstract
Sperm density, mineral and organic composition of the seminal plasma and their physiological relationship were investigated in the Caspian brown trout (Salmo trutta caspius). To establish a rapid and accurate method for assessment of sperm density, three different techniques were used: sperm counting, spectrophotometry (at 480 nm) and determination of the spermatocrit. The seminal plasma contained 159.26±8.84 mM sodium (Na), 33.72±2.01 mM potassium (K), 133.04±5.96 mM chlorine (Cl), 1.68±0.2 mM calcium (Ca) and 0.988±0.13 mM magnesium (Mg). The following organic components were found: total protein 0.75±0.14 mg 100 mL−1, cholesterol 2.86±0.58 mg L−1 and glucose 3.81±1.04 mM L−1. The mean sperm density was estimated to be 3.3 × 109 spermatozoa mL−1. The spermatocrit (%) ranged from 25 to 52 in sperm samples. Highly significant linear relationships were found between sperm density and spermatocrit (R2=0.703, P<0.001) and sperm density and optical density (R2=0.909, P<0.001), indicating that optical density can be used as a quick and accurate method of estimating sperm density. Significant relationships were also found between sperm density and Ca, Mg and total protein of seminal plasma. A significant correlation was also observed between the Ca and Mg concentrations (R2=0.774, P<0.01). The following correlations were observed between mineral and organic components: total protein and Ca (R2=0.462, P<0.05), total protein and Mg (R2=0.518, P<0.05) and glucose and Cl (R2=0.374, P<0.05). These parameters should be considered when developing procedures for either artificial fertilization or for cryopreservation of sperm.
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DOI: 10.1111/j.1365-2109.2007.01784.x
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<front><div type="abstract" xml:lang="en">Sperm density, mineral and organic composition of the seminal plasma and their physiological relationship were investigated in the Caspian brown trout (Salmo trutta caspius). To establish a rapid and accurate method for assessment of sperm density, three different techniques were used: sperm counting, spectrophotometry (at 480 nm) and determination of the spermatocrit. The seminal plasma contained 159.26±8.84 mM sodium (Na), 33.72±2.01 mM potassium (K), 133.04±5.96 mM chlorine (Cl), 1.68±0.2 mM calcium (Ca) and 0.988±0.13 mM magnesium (Mg). The following organic components were found: total protein 0.75±0.14 mg 100 mL−1, cholesterol 2.86±0.58 mg L−1 and glucose 3.81±1.04 mM L−1. The mean sperm density was estimated to be 3.3 × 109 spermatozoa mL−1. The spermatocrit (%) ranged from 25 to 52 in sperm samples. Highly significant linear relationships were found between sperm density and spermatocrit (R2=0.703, P<0.001) and sperm density and optical density (R2=0.909, P<0.001), indicating that optical density can be used as a quick and accurate method of estimating sperm density. Significant relationships were also found between sperm density and Ca, Mg and total protein of seminal plasma. A significant correlation was also observed between the Ca and Mg concentrations (R2=0.774, P<0.01). The following correlations were observed between mineral and organic components: total protein and Ca (R2=0.462, P<0.05), total protein and Mg (R2=0.518, P<0.05) and glucose and Cl (R2=0.374, P<0.05). These parameters should be considered when developing procedures for either artificial fertilization or for cryopreservation of sperm.</div>
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<abstract xml:lang="en"><p>Sperm density, mineral and organic composition of the seminal plasma and their physiological relationship were investigated in the Caspian brown trout (Salmo trutta caspius). To establish a rapid and accurate method for assessment of sperm density, three different techniques were used: sperm counting, spectrophotometry (at 480 nm) and determination of the spermatocrit. The seminal plasma contained 159.26±8.84 mM sodium (Na), 33.72±2.01 mM potassium (K), 133.04±5.96 mM chlorine (Cl), 1.68±0.2 mM calcium (Ca) and 0.988±0.13 mM magnesium (Mg). The following organic components were found: total protein 0.75±0.14 mg 100 mL−1, cholesterol 2.86±0.58 mg L−1 and glucose 3.81±1.04 mM L−1. The mean sperm density was estimated to be 3.3 × 109 spermatozoa mL−1. The spermatocrit (%) ranged from 25 to 52 in sperm samples. Highly significant linear relationships were found between sperm density and spermatocrit (R2=0.703, P<0.001) and sperm density and optical density (R2=0.909, P<0.001), indicating that optical density can be used as a quick and accurate method of estimating sperm density. Significant relationships were also found between sperm density and Ca, Mg and total protein of seminal plasma. A significant correlation was also observed between the Ca and Mg concentrations (R2=0.774, P<0.01). The following correlations were observed between mineral and organic components: total protein and Ca (R2=0.462, P<0.05), total protein and Mg (R2=0.518, P<0.05) and glucose and Cl (R2=0.374, P<0.05). These parameters should be considered when developing procedures for either artificial fertilization or for cryopreservation of sperm.</p>
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<correspondenceTo><b>Correspondence:</b>
A Hatef, Department of Fisheries and Environmental Sciences, Faculty of Natural Resources, University of Tehran, 31585‐4314 Karaj, Iran. E‐mail: <email normalForm="a_hatef171@yahoo.com">a_hatef171@yahoo.com</email>
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<affiliation xml:id="a2" countryCode="CZ"><unparsedAffiliation>Research Institute of Fish Culture and Hydrobiology, University of South Bohemia, Vodnany, Czech Republic</unparsedAffiliation>
</affiliation>
</affiliationGroup>
<keywordGroup xml:lang="en"><keyword xml:id="k1">sperm density</keyword>
<keyword xml:id="k2">seminal plasma</keyword>
<keyword xml:id="k3">Caspian brown trout</keyword>
<keyword xml:id="k4">mineral and organic components</keyword>
</keywordGroup>
<abstractGroup><abstract type="main" xml:lang="en"><title type="main">Abstract</title>
<p>Sperm density, mineral and organic composition of the seminal plasma and their physiological relationship were investigated in the Caspian brown trout (<i>Salmo trutta caspius</i>
). To establish a rapid and accurate method for assessment of sperm density, three different techniques were used: sperm counting, spectrophotometry (at 480 nm) and determination of the spermatocrit. The seminal plasma contained 159.26±8.84 mM sodium (Na), 33.72±2.01 mM potassium (K), 133.04±5.96 mM chlorine (Cl), 1.68±0.2 mM calcium (Ca) and 0.988±0.13 mM magnesium (Mg). The following organic components were found: total protein 0.75±0.14 mg 100 mL<sup>−1</sup>
, cholesterol 2.86±0.58 mg L<sup>−1</sup>
and glucose 3.81±1.04 mM L<sup>−1</sup>
. The mean sperm density was estimated to be 3.3 × 10<sup>9</sup>
spermatozoa mL<sup>−1</sup>
. The spermatocrit (%) ranged from 25 to 52 in sperm samples. Highly significant linear relationships were found between sperm density and spermatocrit (<i>R</i>
<sup>2</sup>
=0.703, <i>P</i>
<0.001) and sperm density and optical density (<i>R</i>
<sup>2</sup>
=0.909, <i>P</i>
<0.001), indicating that optical density can be used as a quick and accurate method of estimating sperm density. Significant relationships were also found between sperm density and Ca, Mg and total protein of seminal plasma. A significant correlation was also observed between the Ca and Mg concentrations (<i>R</i>
<sup>2</sup>
=0.774, <i>P</i>
<0.01). The following correlations were observed between mineral and organic components: total protein and Ca (<i>R</i>
<sup>2</sup>
=0.462, <i>P</i>
<0.05), total protein and Mg (<i>R</i>
<sup>2</sup>
=0.518, <i>P</i>
<0.05) and glucose and Cl (<i>R</i>
<sup>2</sup>
=0.374, <i>P</i>
<0.05). These parameters should be considered when developing procedures for either artificial fertilization or for cryopreservation of sperm.</p>
</abstract>
</abstractGroup>
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<mods version="3.6"><titleInfo lang="en"><title>Sperm density, seminal plasma composition and their physiological relationship in the endangered Caspian brown trout (Salmo trutta caspius)</title>
</titleInfo>
<titleInfo type="abbreviated" lang="en"><title>Sperm density and seminal plasma composition in Salmo trutta caspius</title>
</titleInfo>
<titleInfo type="alternative" contentType="CDATA" lang="en"><title>Sperm density, seminal plasma composition and their physiological relationship in the endangered Caspian brown trout (Salmo trutta caspius)</title>
</titleInfo>
<name type="personal"><namePart type="given">Azadeh</namePart>
<namePart type="family">Hatef</namePart>
<affiliation>Department of Fisheries and Environmental Sciences, Faculty of Natural Resources, University of Tehran, Karaj, Iran</affiliation>
<role><roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal"><namePart type="given">Hamid</namePart>
<namePart type="family">Niksirat</namePart>
<affiliation>Department of Fisheries and Environmental Sciences, Faculty of Natural Resources, University of Tehran, Karaj, Iran</affiliation>
<role><roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal"><namePart type="given">Bagher Mojazi</namePart>
<namePart type="family">Amiri</namePart>
<affiliation>Department of Fisheries and Environmental Sciences, Faculty of Natural Resources, University of Tehran, Karaj, Iran</affiliation>
<role><roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal"><namePart type="given">Sayed Mohammad Hadi</namePart>
<namePart type="family">Alavi</namePart>
<affiliation>Research Institute of Fish Culture and Hydrobiology, University of South Bohemia, Vodnany, Czech Republic</affiliation>
<role><roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal"><namePart type="given">Mahmoud</namePart>
<namePart type="family">Karami</namePart>
<affiliation>Department of Fisheries and Environmental Sciences, Faculty of Natural Resources, University of Tehran, Karaj, Iran</affiliation>
<role><roleTerm type="text">author</roleTerm>
</role>
</name>
<typeOfResource>text</typeOfResource>
<genre type="article" displayLabel="article"></genre>
<originInfo><publisher>Blackwell Publishing Ltd</publisher>
<place><placeTerm type="text">Oxford, UK</placeTerm>
</place>
<dateIssued encoding="w3cdtf">2007-08</dateIssued>
<copyrightDate encoding="w3cdtf">2007</copyrightDate>
</originInfo>
<language><languageTerm type="code" authority="rfc3066">en</languageTerm>
<languageTerm type="code" authority="iso639-2b">eng</languageTerm>
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<extent unit="figures">3</extent>
<extent unit="tables">1</extent>
<extent unit="references">36</extent>
<extent unit="words">4447</extent>
</physicalDescription>
<abstract lang="en">Sperm density, mineral and organic composition of the seminal plasma and their physiological relationship were investigated in the Caspian brown trout (Salmo trutta caspius). To establish a rapid and accurate method for assessment of sperm density, three different techniques were used: sperm counting, spectrophotometry (at 480 nm) and determination of the spermatocrit. The seminal plasma contained 159.26±8.84 mM sodium (Na), 33.72±2.01 mM potassium (K), 133.04±5.96 mM chlorine (Cl), 1.68±0.2 mM calcium (Ca) and 0.988±0.13 mM magnesium (Mg). The following organic components were found: total protein 0.75±0.14 mg 100 mL−1, cholesterol 2.86±0.58 mg L−1 and glucose 3.81±1.04 mM L−1. The mean sperm density was estimated to be 3.3 × 109 spermatozoa mL−1. The spermatocrit (%) ranged from 25 to 52 in sperm samples. Highly significant linear relationships were found between sperm density and spermatocrit (R2=0.703, P<0.001) and sperm density and optical density (R2=0.909, P<0.001), indicating that optical density can be used as a quick and accurate method of estimating sperm density. Significant relationships were also found between sperm density and Ca, Mg and total protein of seminal plasma. A significant correlation was also observed between the Ca and Mg concentrations (R2=0.774, P<0.01). The following correlations were observed between mineral and organic components: total protein and Ca (R2=0.462, P<0.05), total protein and Mg (R2=0.518, P<0.05) and glucose and Cl (R2=0.374, P<0.05). These parameters should be considered when developing procedures for either artificial fertilization or for cryopreservation of sperm.</abstract>
<subject lang="en"><genre>keywords</genre>
<topic>sperm density</topic>
<topic>seminal plasma</topic>
<topic>Caspian brown trout</topic>
<topic>mineral and organic components</topic>
</subject>
<relatedItem type="host"><titleInfo><title>Aquaculture Research</title>
</titleInfo>
<genre type="journal">journal</genre>
<identifier type="ISSN">1355-557X</identifier>
<identifier type="eISSN">1365-2109</identifier>
<identifier type="DOI">10.1111/(ISSN)1365-2109</identifier>
<identifier type="PublisherID">ARE</identifier>
<part><date>2007</date>
<detail type="volume"><caption>vol.</caption>
<number>38</number>
</detail>
<detail type="issue"><caption>no.</caption>
<number>11</number>
</detail>
<extent unit="pages"><start>1175</start>
<end>1181</end>
<total>7</total>
</extent>
</part>
</relatedItem>
<identifier type="istex">6786B1158DB04194B36DB20A80D82CF9CA4464D6</identifier>
<identifier type="DOI">10.1111/j.1365-2109.2007.01784.x</identifier>
<identifier type="ArticleID">ARE1784</identifier>
<recordInfo><recordContentSource>WILEY</recordContentSource>
<recordOrigin>Blackwell Publishing Ltd</recordOrigin>
</recordInfo>
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