Journal of Andrology
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Journal of Andrology, Vol 11, Issue 5 453-459, Copyright © 1990 by The American Society of Andrology

JOURNAL ARTICLE

A comparison of two computer-automated semen analysis instruments for the evaluation of sperm motion characteristics in the stallion

D. J. Jasko, D. H. Lein and R. H. Foote
New York State College of Veterinary Medicine, Ithaca.

Two commercially available computer-automate semen analysis instruments (CellSoft Automated Semen Analyzer and HTM-2000 Motion Analyzer) were compared for their ability to report similar results based on the analysis of pre-recorded video tapes of extended, motile stallion semen. The determinations of the percentage of motile cells by these instruments were more similar than the comparisons between subjective estimates and either instrument. However, mean values obtained from the same sample may still differ by as much as 30 percentage units between instruments. Instruments varied with regard to the determinations of mean sperm curvilinear velocity and sperm concentration, but mean sperm linearity determinations were similar between the instruments. We concluded that the determinations of sperm motion characteristics by subjective estimation, CellSoft Automated Semen Analyzer, and HTM-2000 Motility Analyzer are often dissimilar, making direct comparisons of results difficult.




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Copyright © 1990 by The American Society of Andrology.