2 queen hives

[T.Smith]

Hello, I live in northwest Louisiana. I have heard of people having 2 queen colonies. How is this done and is it worth while or would it be better to have just a single queen.  I guess in doing this you would put an excluder inbetween 2 brood boxes.  Thanks Tracy

[Michael Bush]

http://www.bushfarms.com/beestwoqueenhive.htm