Changes

If there are dirty frames that are contaminated with mold or feces after overwintering, they should be replaced with new clean [[built wax combs|built wax combs]]. Following the number of bees and looking for abnormalities in bees, brood, smell etc. during every inspection gives you continual information about the bee colony’s health. Observing the flight entrance and the behavior of the worker bees tells you the bees’ foraging ability and harvest at the time.