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| Content Provider | Springer Nature Link |
|---|---|
| Author | Dietrich, G. J. Kowalski, R. Wojtczak, M. Dobosz, S. Goryczko, K. Ciereszko, A. |
| Copyright Year | 2006 |
| Abstract | The present study investigated the effects of sequential collection of milt, time of post-mortem storage and anesthesia on rainbow trout (Oncorhynchus mykiss) sperm motility parameters (using computer-assisted sperm analysis – CASA) as well as seminal plasma osmolality and sperm concentration. The post-mortem storage and time of anesthesia altered motility characteristics of rainbow trout sperm to different extents. The moderate impact of time of anesthesia was manifested in a shortened duration of sperm motility after 10 min exposure of fish to anesthetic. The prolonged post-mortem storage (≥40–60 min), in addition to lowering sperm motility duration, also significantly influenced sperm motility parameters, such as sperm velocities, percentage of motile sperm and sperm trajectory parameters. These results clearly demonstrate that when milt from sacrificed fish is used for sperm motility studies, the time of post-mortem storage significantly alters sperm motility characteristics. Since sperm motility rate and swimming velocity could predict fertilizing ability, detrimental effects of prolonged post-mortem storage may lead to reduced fertilization success. Sperm concentration and seminal plasma osmolality were lower in the first fractions and increased with successive collections of milt. It suggests the presence of urine contamination of the first milt fractions which were collected by stripping. Therefore, testing of sperm concentration and/or seminal plasma osmolality should be mandatory while handling stored milt. |
| Starting Page | 1 |
| Ending Page | 9 |
| Page Count | 9 |
| File Format | |
| ISSN | 09201742 |
| Journal | Fish Physiology and Biochemistry |
| Volume Number | 31 |
| Issue Number | 1 |
| e-ISSN | 15735168 |
| Language | English |
| Publisher | Kluwer Academic Publishers |
| Publisher Date | 2006-03-22 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | anesthesia milt collection ovarian fluid post-mortem storage rainbow trout sperm motility Animal Biochemistry Hydrobiology Zoology Animal Anatomy / Morphology / Histology Animal Physiology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physiology Medicine Biochemistry Aquatic Science |
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