| Color code and Abbreviations |
Queens from one strain, but mated by drones from another strain . Their population and daughters (and drones of them) are F1 crossed. |
| Queen and Drones have the same ancestors: combination to increase or stabilize some characteristics |
| Queen and Drones are Aunt-Nephews : that would correspond by us to a Sister-Brothers crossing. |
| Queen and Drones result of a cross between two different lines : interesting to increase their resistance and qualities. |
| Breeders |
| BZF : | Buckfast Zuchtgemeinschaft Friedrichskoog (DE) |
| CHP : | Christian Peter (DE) |
| PN : | Horst Preissl & Johannes Neuburger (AT) |
| XB : | Xaver Bösel (DE) |
|
| Races — Do use them |
| B: | buckfast |
| MG: | Margret's hive No 5 |
|
| Importation mode |
| ilv : | Grafted larvae imported |
| imq : | Laying queen imported |
| Mating Places, etc |
| frkg : | Friedrichskoog mating place (DE) |
| hbg : | Hausberg mountain (DE) |
| hbpn : | Preissl–Neuburger mountain (AT) |
| iby1 : | Instrumental insemination (DE) |
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