Acta Univ. Agric. Silvic. Mendelianae Brun. 2012, 60(6), 97-102 | DOI: 10.11118/actaun201260060097

Physical properties of stallion semen in relation to some qualitative and quantitative characteristics

©árka Hanuláková, Ondřej Mamica, Ladislav Máchal, Ivo Křivánek, Radek Filipčík, Martin Hoąek, Gustav Chládek
Ústav chovu a ąlechtění zvířat a Ústav techniky a automobilové dopravy, Mendelova univerzita v Brně, Zemědělská 1, 613 00 Brno, Česká republika

A growing number of diagnostic methods lead to a perfection of the semen evaluation of stud animals. An elementary semen examination and a careful health assessment have always been the most important part of a stud stallion evaluation. The aim of this experiment was to find the relationship between some qualitative and quantitative semen characteristics and the electrical conductivity and dynamic viscosity of semen. The possible use of the semen physical properties as an additional measure of the semen evaluation in stallions was considered. The electrical conductivity ranged between 0.32 S.m-1 and 0.55 S.m-1 with the total mean value 0.38 ± 0.04 S.m-1. The dynamic viscosity varied between 88.0 mPa.s-1 and 189.0 mPa.s-1 and the mean value was 130.19 ± 37.3 mPa.s-1. The analysis revealed a highly significant positive linear correlation between the electrical conductivity of semen and the sperm concentration in the ejaculate (rp = 0.69; P ≤ 0.01). Significant negative correlations were found between the electrical conductivity and the ejaculate volume (rp = -0.38; P ≤ 0.05). The electrical conductivity was positively linearly correlated to the sperm motility (rp = 0.42; P ≤ 0.05). The dynamic viscosity of the semen was negatively correlated to the hydrogen ion concentration only (rp = -0.46; P ≤ 0.05).

Keywords: ejaculate, stud stallion, electrical conductivity, viscosity
Grants and funding:

The study was supported by the Internal Grant Agency of AF Mendel University in Brno TP1/2012.

Received: June 29, 2012; Prepublished online: July 19, 2013; Published: July 20, 2013  Show citation

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Hanuláková, ©., Mamica, O., Máchal, L., Křivánek, I., Filipčík, R., Hoąek, M., & Chládek, G. (2012). Physical properties of stallion semen in relation to some qualitative and quantitative characteristics. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 60(6), 97-102. doi: 10.11118/actaun201260060097
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