New extender for cryopreservation of Siberian sturgeon (Acipenser baerii) semen.
Identifieur interne : 000619 ( Ncbi/Curation ); précédent : 000618; suivant : 000620New extender for cryopreservation of Siberian sturgeon (Acipenser baerii) semen.
Auteurs : S. Judycka [Pologne] ; M. Szczepkowski [Pologne] ; A. Ciereszko [Pologne] ; G J Dietrich [Pologne]Source :
- Cryobiology [ 1090-2392 ] ; 2015.
English descriptors
- KwdEn :
- Animals, Cryopreservation (methods), Cryoprotective Agents (pharmacology), Fertilization (physiology), Fishes, Freezing (adverse effects), Glucose (pharmacology), Male, Methanol (pharmacology), Semen (physiology), Semen Analysis, Semen Preservation (methods), Sperm Motility (drug effects), Sperm Motility (physiology), Spermatozoa (drug effects).
- MESH :
- chemical , pharmacology : Cryoprotective Agents, Glucose, Methanol.
- adverse effects : Freezing.
- drug effects : Sperm Motility, Spermatozoa.
- methods : Cryopreservation, Semen Preservation.
- physiology : Fertilization, Semen, Sperm Motility.
- Animals, Fishes, Male, Semen Analysis.
Abstract
The goal of this study was to develop a simple glucose-methanol extender for cryopreservation of Siberian sturgeon (Acipenser baerii) semen. Semen quality was assessed by determining post-thaw sperm motility and fertilizing ability at hatching stage. We tested the effect of glucose concentration (0, 0.10, 0.15, 0.20 and 0.30 M) in a methanol extender on post-thaw sperm motility. Sperm motility parameters and fertilizing ability of semen cryopreserved in 0.1 M glucose in 15% methanol (GM) were compared to previously described Tris-sucrose-KCl in 10% - methanol extender (TSKM). Additionally, sperm motility and fertilizing ability in relation to 30 min equilibration in GM extender before cryopreservation and 30 min of post-thaw storage were determined. The beneficial effect of the glucose for semen cryopreservation was related to its concentration with a quite narrow optimum of 0.1 to -0.15 M. The fertilization rates of frozen/thawed sperm were similar for both (TSKM and GM) tested extenders. The sperm motility and fertilization rate were not affected either by 30 min equilibration in GM extender or by 30 min of post-thaw storage. Our work indicates that the use a simple extender consisting of 0.1M glucose in 15% methanol can be an alternative cryopreservation method to those previously described for sturgeons. The use of an equilibration period and the possibility of post-thaw semen storage can improve organization of hatchery work and help with logistics of large-scale hatchery operations.
DOI: 10.1016/j.cryobiol.2015.02.005
PubMed: 25725469
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pubmed:25725469Le document en format XML
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<term>Glucose (pharmacology)</term>
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<term>Methanol (pharmacology)</term>
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<term>Semen Analysis</term>
<term>Semen Preservation (methods)</term>
<term>Sperm Motility (drug effects)</term>
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<front><div type="abstract" xml:lang="en">The goal of this study was to develop a simple glucose-methanol extender for cryopreservation of Siberian sturgeon (Acipenser baerii) semen. Semen quality was assessed by determining post-thaw sperm motility and fertilizing ability at hatching stage. We tested the effect of glucose concentration (0, 0.10, 0.15, 0.20 and 0.30 M) in a methanol extender on post-thaw sperm motility. Sperm motility parameters and fertilizing ability of semen cryopreserved in 0.1 M glucose in 15% methanol (GM) were compared to previously described Tris-sucrose-KCl in 10% - methanol extender (TSKM). Additionally, sperm motility and fertilizing ability in relation to 30 min equilibration in GM extender before cryopreservation and 30 min of post-thaw storage were determined. The beneficial effect of the glucose for semen cryopreservation was related to its concentration with a quite narrow optimum of 0.1 to -0.15 M. The fertilization rates of frozen/thawed sperm were similar for both (TSKM and GM) tested extenders. The sperm motility and fertilization rate were not affected either by 30 min equilibration in GM extender or by 30 min of post-thaw storage. Our work indicates that the use a simple extender consisting of 0.1M glucose in 15% methanol can be an alternative cryopreservation method to those previously described for sturgeons. The use of an equilibration period and the possibility of post-thaw semen storage can improve organization of hatchery work and help with logistics of large-scale hatchery operations.</div>
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