The influence of maintenance conditions on the quality of the bull and rooster semen

Abstract

The purpose of the researches was to study the influence of the maintenance conditions on the quality of bull and rooster semen. As object of study there were used breeding bulls of speckled-black race and roosters, including the semen collected from these animals after being exposed to stressors. There were used microscopic methods for determining the morphology of the semen, the nociceptive stressing method, the method of colouring the gametes and the method of studying the gametes acrosomal system. It was realized the analysis and classification of the pathological forms of the gametes in the bull and rooster semen. In the early stages of the study, there was evaluated the amount of the pathological spermatozoids in the rooster semen, kept in comfortable conditions.