>
>    I'll display my ignorance and ask what you mean by placing the
>nuc on a double screen over a strong hive?  What is the separation of
>the two queens and how is the hive set up?  My understanding is that
>if a queen can sense another queen she will try her best to get at
>the other to kill her.  I have read that a nuc can be placed over a
>strong hive if there is one (or two?) deep super(s) separating the two
>queens.
 
   In some queen rearing operations in California, queenright colonies are
regularly used in queen production.  Once cells have been grafted into and
started, the workers continue the process.  The laying queen, however, must
not have access to that super.
 
                                                        Adrian
 
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