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Computer-assisted analysis of sperm motion in goats and its relationship with sperm migration in cervical mucus
University of Concepcion, Chile.
University of Concepcion, Chile.
University of Concepcion, Chile.
SLU, Sweden; .ORCID iD: 0000-0002-5194-2124
2006 (English)In: Theriogenology, ISSN 0093-691X, E-ISSN 1879-3231, Vol. 66, no 4, 860-867 p.Article in journal (Refereed) Published
Abstract [en]

In vitro sperm migration in cervical mucus relates to sperm concentration at the utero-tubal junction and to in vivo fertilization performance in goats. The present study aimed to characterize, using Computer-Assisted Sperm Analysis (CASA), motility patterns depicted by buck sperm and their relation to the migration efficiency in homologous (goat) and heterologous (heifer) cervical mucus in vitro. Semen was collected from 23 sexually mature bucks from three breeds by artificial vagina and sperm were assessed for motility parameters with a Hobson Sperm analyzer following extension in Sperm Analysis Medium (SAM). To study the relationship between kinematics parameters and the ability of sperm to migrate in cervical mucus, in a first experiment, motility performance of buck sperm suspended in SAM was compared against seminal plasma. In a second experiment, kinematics parameters of sperm were characterized. In a third experiment, bucks with sperm that differed in specific motion parameters were compared for the ability of their sperm to migrate through goat and bovine cervical mucus collected at estrus. In a fourth experiment, ejaculates that were compared in their migration ability and were assessed simultaneously for their motility parameters. Overall, sperm suspended in SAM medium had better velocity and similar linearity and lateral head displacement than those suspended in seminal plasma; furthermore, caprine sperm swam relatively fast (relative to bovine and ovine sperm), following a very linear trajectory. Under the conditions used, velocity parameters, linearity and lateral head displacement seemed to be related to sperm migration efficiency in homologous mucus but not in bovine cervical mucus. (c) 2006 Elsevier Inc. All rights reserved.

Place, publisher, year, edition, pages
Elsevier , 2006. Vol. 66, no 4, 860-867 p.
Keyword [en]
CASA; sperm migration; sperm motion; cervical mucus; caprine
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-101797DOI: 10.1016/j.theriogenology.2006.01.062ISI: 000240052600018OAI: diva2:666819
Available from: 2013-11-24 Created: 2013-11-22 Last updated: 2015-03-12

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Rodriguez-Martinez, Heriberto
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