Video: basic selection of Apis m. carnica
Calmness – Bees stick to their combs “like fur” without any notable reaction to being handled.
Gentleness – No use of smoke and no protective clothes are necessary to avoid stings during normal working procedure.
Brood solidness is expressed by the percentage of empty worker cells in a brood patch of a given area. An acceptable level of empty cells is usually less than 10%.