It is advantageous to make splits during the days busiest forage times. That means less foragers in the way and it is the nurse bees that are going to stay with the split. 10 and 2 is a rule of thumb but often I split outside of that and it works fine.
A forum community dedicated to beekeeping, bee owners and enthusiasts. Come join the discussion about breeding, honey production, health, behavior, hives, housing, adopting, care, classifieds, and more!