“Karolina” influence on qualitative and quantitative semen characteristics of servicing bulls

This study was conducted to investigate the effect of the drug carotene Carolyn quality sires sperm. According to the study it was found that bovine semen producers of the experimental group had higher scores on the volume of ejaculate, (30-47%), sperm concentration (14,8-38,3%), survival at a temperature of 37 ° C for 1.5 hours (4,4-5,1%) and during 5 hours (58,5-76,4%).