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Lenz, R. W.; Kjelland, M. E.; VonderHaar, K.; Swannack, T. M.; Moreno, J. F.
Journal of animal science, 02/2011, Letnik: 89, Številka: 2Journal Article
Computer-assisted sperm analysis of fresh and frozen-thawed bovine sperm requires proper handling and preparation, and the type of slide used in the assessment is critical if the resultant data are to be useful quality control measurements. In the present study, 4 different slide viewing chambers, a Makler chamber, a clean slide-coverslip, or a 2- or 4-cell chamber Leja slide, were compared with assess their utility in providing reliable measurements of sperm motility variables. A Hamilton-Thorne IVOS Computer-Assisted Semen Analyzer (CASA) was the instrument used to determine sperm measurements utilizing the 4 different chambers. Fifty-eight different freeze batches of bovine semen that had been collected from 47 bulls at 7 sites that sex-sort sperm using Sexing Technologies sorting criteria were incorporated into the trial. Neither the percentage of motile sperm nor the percentage of progressively motile sperm differed for the Makler chamber vs. slide-coverslip comparisons. Similarly, total and progressively motile sperm did not differ between the 2- and 4-cell chambered Leja slides. However, total and progressive motility of sperm determined with the Makler chamber and slide-coverslip were greater (P < 0.0001) than motilities recorded by the 2- or 4-cell chambered Leja slides. Based on the results, the type of viewing chamber can affect the range of sperm motility values when CASA is used for quality control evaluations of thawed, cryopreserved sex-sorted sperm samples. PUBLICATION ABSTRACT
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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