Chef, Instead of starting a new thread for each queen producer, why don't you just use one thread and list all the queen producers you are interested in.
Suggest you read Steve Taber's book "Breeding Super Bees". This will explain a lot of the intent of the genetic stock that Taber's sells. Note that Steve sold the business out several years ago.
The basic stock has been selected for hygienic activity.
DarJones - 45 years, 10 colonies (max 40), sideliner, treatment free since 2005, 11 frame broodnest, small cell