> Is it possible that the package was shaken from a laying worker colony....?

Yes, entirely possible, and if you are fortunate, you will notice it because there may be small drones in the package.  


> ..... and my caged queen never had a chance against this? 

Good question, but I think it would indicate that the package contained a large and strong population of laying workers. 



> What is the average time frame that a queenless colony will develop laying workers? 

I don't think the normal timeline applies when a population of laying workers is your starting point.  

             ***********************************************
The BEE-L mailing list is powered by L-Soft's renowned
LISTSERV(R) list management software.  For more information, go to:
http://www.lsoft.com/LISTSERV-powered.html