A little Graphic (hahaha milta), but what do you expect? You are artificially inseminating your queens. I found this interesting, and hope you guys will too!
http://www.latshawapiaries.com/drone_preparation.htm
http://www.latshawapiaries.com/semen_collection.htm
http://www.latshawapiaries.com/semen_storage.htm
http://www.latshawapiaries.com/insemination.htm
i've had occasion to talk to joe latshaw regarding queen rearing. he's a very helpful fellow and took the time to explain their program and gave me several helpful tips. at that time he hadn't put up his own operation and he was still with ohio queen breeders.