The paper presents the influence of the use of supplementary feedings on the development of bee colonies and venom production. We evaluated the venom production during harvests of rapeseed. acacia and sunflower. The research was carried out in the apiary of the Faculty of Bioengineering of Animal Resources within the ULST. https://www.diegojavierfares.com/quick-sale-SYIL-X5-Vertical-Mill-save-big/