Effect of lipoic acid on spermatological and biochemical parameters following equilibration and freeze-thawing of ram semen
<b>Aim:</b> The aim of this study was to investigate the effects of different doses of lipoic acid added into dilution extender, following equilibration and freeze-thawing of ram semen on spermatologic and biochemical parameters.<p> <b>Materials and Methods:</b> The eja...
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| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Selcuk University Press
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| Series: | Eurasian Journal of Veterinary Sciences |
| Subjects: | |
| Online Access: | http://eurasianjvetsci.org/pdf.php3?id=572 |
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| Summary: | <b>Aim:</b> The aim of this study was to investigate the effects of different doses of lipoic acid added into dilution extender, following equilibration and freeze-thawing of ram semen on spermatologic and biochemical parameters.<p>
<b>Materials and Methods:</b> The ejaculates collected from 6 mature Konya Merino rams were used in the research. Ejaculates containing approximately 400x106 spermatozoa were diluted at 37 ºC with the Tris-based extender containing lipoic acid at the doses of 1, 2, 4 mM and no additive (control), and then, they were frozen.<p>
<b>Results:</b> After equilibration, all doses of lipoic acid did not affect the sperm parameters whereas lipoic acid 1 mM (74.3%) ameliorated motility compared to both control (62.5%) and lipoic acid 4 mM (65.0%) (p<0.001) groups after freeze-thawing. Lipoic acid did not affect HOS test and acrosome integrity of spermatozoa following freeze-thaw-ing. Also, the supplementation of lipoic acid at 1, 2 and 4 mM doses did not provide any significant effect on the levels ofbiochemical parameters (p>0.05).<p>
<b>Conclusion:</b> Addition of 1 mM lipoic acid to ram semen increases the motility after freeze-thawing process. However, dose treatments of lipoic acid in different extenders and animal species-breeds are required to be performed. |
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| ISSN: | 1309-6958 2146-1953 |