Influence of testis state, temperature and delay in semen collection on spermatozoa motility in the cultured Siberian sturgeon ( Acipenser baeri Brandt )
Identifieur interne : 000320 ( Istex/Corpus ); précédent : 000319; suivant : 000321Influence of testis state, temperature and delay in semen collection on spermatozoa motility in the cultured Siberian sturgeon ( Acipenser baeri Brandt )
Auteurs : P. Williot ; E. F Kopeika ; B. F GoncharovSource :
- Aquaculture [ 0044-8486 ] ; 2000.
Abstract
A factorial design was set up to test the effects of three factors on spermatozoa motility in cultured Siberian sturgeons, Acipenser baeri, removed from 10°C water temperature. From the four tested temperatures (10°C, 12.5°C, 15°C and 17.5°C) during hormonal treatment, the significantly highest spermatozoa motilities (65%) were obtained at 10°C and the lowest (41%) at 17.5°C. The increasing delay in semen collection gave the following results: 24 h (30% motility), 36 h (72%), 48 h (64%) and 60 h (53%). Males of which the testis state was referred to as firm or soft gave significantly better spermatozoa motilities (70%) as compared with viscous or liquid testis (40%). Semen pH, osmotic pressure and spermatocrit did not show any relationship with spermatozoa motility.
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DOI: 10.1016/S0044-8486(00)00358-6
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<front><div type="abstract" xml:lang="en">A factorial design was set up to test the effects of three factors on spermatozoa motility in cultured Siberian sturgeons, Acipenser baeri, removed from 10°C water temperature. From the four tested temperatures (10°C, 12.5°C, 15°C and 17.5°C) during hormonal treatment, the significantly highest spermatozoa motilities (65%) were obtained at 10°C and the lowest (41%) at 17.5°C. The increasing delay in semen collection gave the following results: 24 h (30% motility), 36 h (72%), 48 h (64%) and 60 h (53%). Males of which the testis state was referred to as firm or soft gave significantly better spermatozoa motilities (70%) as compared with viscous or liquid testis (40%). Semen pH, osmotic pressure and spermatocrit did not show any relationship with spermatozoa motility.</div>
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<notesStmt><note type="content">Fig. 1: Dependence of motility of fresh spermatozoa (mean) on water temperature during hormonal treatment, for Siberian sturgeon males reared at 10°C. Results from GLM analysis carried out with 16 males. Vertical bars are 95% confidence interval. Different letters (a and b) correspond to significant difference at P<0.05.</note>
<note type="content">Fig. 2: Dependence of motility of fresh spermatozoa (mean) on the delay in semen collection. Results from GLM analysis carried out with 16 Siberian sturgeon males. Vertical bars are 95% confidence interval. Different letters (a, b and c) correspond to significant difference at P<0.05.</note>
<note type="content">Fig. 3: Dependence of motility of fresh spermatozoa (mean) on the testis state determined 1 month before the experiment. Results from GLM analysis carried out with 16 Siberian sturgeon males. Vertical bars are 95% confidence interval. L=liquid, V=viscous, S=soft, F=firm. Different letters (a and b) correspond to significant difference at P<0.05.</note>
<note type="content">Fig. 4: Relationship between fresh spermatozoa motility and semen pH (a), semen osmotic pressure (b) and semen spermatocrit (c) from 28 Siberian sturgeon males.</note>
<note type="content">Table 1: The protocol and spermatozoa motility of 16 cultured Siberian sturgeons that were analysed in this study L=liquid; V=viscous; S=soft; F=firm.</note>
<note type="content">Table 2: ANOVA analysis (GLM procedure) of effects of testis state, temperature and delay of semen collection on fresh spermatozoa motility (16 male Siberian sturgeons)</note>
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<ce:keyword><ce:text>Semen</ce:text>
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<abstract lang="en">A factorial design was set up to test the effects of three factors on spermatozoa motility in cultured Siberian sturgeons, Acipenser baeri, removed from 10°C water temperature. From the four tested temperatures (10°C, 12.5°C, 15°C and 17.5°C) during hormonal treatment, the significantly highest spermatozoa motilities (65%) were obtained at 10°C and the lowest (41%) at 17.5°C. The increasing delay in semen collection gave the following results: 24 h (30% motility), 36 h (72%), 48 h (64%) and 60 h (53%). Males of which the testis state was referred to as firm or soft gave significantly better spermatozoa motilities (70%) as compared with viscous or liquid testis (40%). Semen pH, osmotic pressure and spermatocrit did not show any relationship with spermatozoa motility.</abstract>
<note type="content">Fig. 1: Dependence of motility of fresh spermatozoa (mean) on water temperature during hormonal treatment, for Siberian sturgeon males reared at 10°C. Results from GLM analysis carried out with 16 males. Vertical bars are 95% confidence interval. Different letters (a and b) correspond to significant difference at P<0.05.</note>
<note type="content">Fig. 2: Dependence of motility of fresh spermatozoa (mean) on the delay in semen collection. Results from GLM analysis carried out with 16 Siberian sturgeon males. Vertical bars are 95% confidence interval. Different letters (a, b and c) correspond to significant difference at P<0.05.</note>
<note type="content">Fig. 3: Dependence of motility of fresh spermatozoa (mean) on the testis state determined 1 month before the experiment. Results from GLM analysis carried out with 16 Siberian sturgeon males. Vertical bars are 95% confidence interval. L=liquid, V=viscous, S=soft, F=firm. Different letters (a and b) correspond to significant difference at P<0.05.</note>
<note type="content">Fig. 4: Relationship between fresh spermatozoa motility and semen pH (a), semen osmotic pressure (b) and semen spermatocrit (c) from 28 Siberian sturgeon males.</note>
<note type="content">Table 1: The protocol and spermatozoa motility of 16 cultured Siberian sturgeons that were analysed in this study L=liquid; V=viscous; S=soft; F=firm.</note>
<note type="content">Table 2: ANOVA analysis (GLM procedure) of effects of testis state, temperature and delay of semen collection on fresh spermatozoa motility (16 male Siberian sturgeons)</note>
<subject><genre>Keywords</genre>
<topic>Spermatozoa</topic>
<topic>Sturgeon</topic>
<topic>Semen</topic>
<topic>Temperature</topic>
<topic>Testis</topic>
</subject>
<relatedItem type="host"><titleInfo><title>Aquaculture</title>
</titleInfo>
<titleInfo type="abbreviated"><title>AQUA</title>
</titleInfo>
<genre type="journal">journal</genre>
<originInfo><dateIssued encoding="w3cdtf">20000925</dateIssued>
</originInfo>
<identifier type="ISSN">0044-8486</identifier>
<identifier type="PII">S0044-8486(00)X0113-5</identifier>
<part><date>20000925</date>
<detail type="volume"><number>189</number>
<caption>vol.</caption>
</detail>
<detail type="issue"><number>1–2</number>
<caption>no.</caption>
</detail>
<extent unit="issue pages"><start>1</start>
<end>196</end>
</extent>
<extent unit="pages"><start>53</start>
<end>61</end>
</extent>
</part>
</relatedItem>
<identifier type="istex">A1976636CEAB9DA991FA86D2B10110BE03FF56C1</identifier>
<identifier type="DOI">10.1016/S0044-8486(00)00358-6</identifier>
<identifier type="PII">S0044-8486(00)00358-6</identifier>
<accessCondition type="use and reproduction" contentType="copyright">©2000 Elsevier Science B.V.</accessCondition>
<recordInfo><recordContentSource>ELSEVIER</recordContentSource>
<recordOrigin>Elsevier Science B.V., ©2000</recordOrigin>
</recordInfo>
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