I'm not ready to convert my nucs to full hives, but they're so strong, I want to keep them from swarming. In fact, one of them already did, unfortunately, and the other is showing signs of becoming full. When swapping frames of brood into another hive, should I shake off the bees first, or take the bees with each frame? I might cut the nuc replacement frame down to a starter strip to give them something to do, because I don't have any empty frames to use as a replacement.