Zhodnocení kanců působících na inseminační stanici

The aim of the thesis was to evaluate boars on the insemination center in terms of quantitative and qualitative indicators of sperm depending on age and season. Evaluation was based on sampling data from the years 2011 to 2015. Based on the results we can say that the age of boars and season of the year has an influence on production and quality of semen. With increasing age is increase in volume of semen and content of pathological sperm and this growth stops after the age of 3 years. Since the beginning of boars in artificial insemination to 3 years of age is decreasing sperm motility and to 4 years of age there is also a decrease in sperm concentration. Significant fluctuations in motility of sperm depending on the season have been found in boars older than 2 years, and a decline in the summer months. Furthermore, it was shown that in all age groups occurred in the summer to increase the percentage of sperm pathology. In boars up to 1 year of age, there was a continuous increase in sperm concentration from winter to autumn. In boars older than 1 year was observed decrease in the concentration of sperm in the summer, whereas in autumn and winter, the concentration was increased. The greatest value of semen volume were at all ages recorded in the fall. The most significant decline in volume of semen has been found in boars under 1 year of age in the summer and boars aged over one year in the spring season