Distribution of variance associated with measurement of post-thaw function in ram sperm.
Author(s) : EDWARD A. Y., WINDSOR D. P., PURVIS I. W., SANCHEZ PARTIDA L. G., MAXWELL W. M. C.
Type of article: Article
Summary
Post-thaw characteristics of ram semen frozen as pellets were assessed using biochemically (amidase activity) or motility-based (Hamilton Thorn Motility Analyzer) techniques. The total variation associated with each semen characteristic measured was partitioned between rams, ejaculates within rams, pellets within ejaculates and within pellets. A variety of variance distributions were observed for the characteristics measured. Of the 18 post-thaw characteristics examined, 10 had higher than 50% of variance distributed between within-ejaculate components. This has important implications for the way in which such measurements may be used in post-thaw semen analysis.
Details
- Original title: Distribution of variance associated with measurement of post-thaw function in ram sperm.
- Record ID : 1996-2560
- Languages: English
- Source: Reprod. Fertil. Dev. - vol. 7 - n. 1
- Publication date: 1995
- Document available for consultation in the library of the IIR headquarters only.
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Indexing
- Themes: The influence of refrigeration on cells, tissues and organs
- Keywords: Thawing; Sperm; Ram; Physiology; Cryopreservation
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