The subject of the workshop was to discuss the use and drenches boluses in practice. These were boluses chemical nature, others, which in the rumen continuously measure pH and temperature, and also by boluses that stimulate ruminal motility. The program was also a presentation of the news, which are mainly boluses Bolifast from HYPRED, to be used as prevention of metabolic disorders in dairy cows. The aim was mainly familiar with the issues and management discussion, which focused on the plans, the project “ Reduce of risks associated with nutrition of cattle with high performance“