two queen hives

I live in a harsher climate, temperature is always an issue in spring. Anyone have any experience with two queen systems? (Up and down not side by side) Does it require two queen excluders with a super in the middle? Or can it be done with a single excluder? If I am requeening a hive in...

After several conversations and experiences, the following method is looking feasible. It is essentially having Nucs for 2/3 of the year and combining those into a large hive for the other 1/3. 1. Overwinter two double story Nucs (2x 4 frame), side by side. 2. At least 6 weeks before swarm...

I am a first year beekeeper with a strong hive in a NYC community garden that has produced a second queen twice this summer. The first time, in the spring, I feared a swarm and with no equipment to enlarge the brood nest I killed the new queen. I was advised that this was a bad move. However...