> I requeen three strong hives this spring and not one of them was
> accepted.  Being a little bullheaded I chose to try to force the issue
> with one hive. After it killed the first queen I waited 1.5 weeks and
> installed another that did not work.  So I released the third one into a
> comb cage after which the bees chewed under the cage killing the queen.

Large hives can be hard to requeen.  If the new queen is not closely
related to the hive, it can be tougher.  The job can be made easier by
moving the hive behind another so it loses its old bees -- the ones that
make the requeening hard.  A good honey flow helps too.

allen
http://www.internode.net/honeybee/diary/