Effect of bulls' breed, age and body condition score on quantitative and qualitative traits of their semen

BERAN, J., STADNIK, L., DUCHACEK, J., TOUSOVA, R., LOUDA, F., STOLC, L.: Eff ect of bulls’ breed, age and body condition score on quantitative and qualitative traits of their semen. Acta univ. agric. et silvic. Mendel. Brun., 2011, LIX, No. 6, pp. 37–44 The objectives of this study were to determine and evaluate eff ect of breed, age and body condition score (BCS) on qualitative and quantitative parameters of bull’s ejaculate. In total, 16 Holstein (H) and 15 Czech Fleckvieh (F) bulls were collected in September 2009 and May 2010. Volume of semen samples, sperm concentration and percentage of motile spermatozoa were evaluated immediately