| Color code and Abbreviations |
| Queens without information : |
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 result of a cross between two different lines : interesting to increase their resistance and qualities. |
| Breeders |
| EA (EAN): | Egon Andersson (SE) |
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| EJ (EJ?): | E.J.? (S) |
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| EK (EKS): | Eivon Karlsson (SE) |
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| EO : | Erik Österlund (SE) |
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| JTR : | Jan-Thore Riseng (NO) |
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| KEO : | Kjell-Erik Ohlsson (SE) |
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| LH-LHj (LHJ): | Leif Hjalmarsson (SE) |
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| OH (OHT): | Odd Harald Tønnessen (NO) |
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| SK : | Skärva depot (SE) |
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| UG : | Ulf Gröhn †2012 (SE) |
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|
| Races — Do use them |
| B: | buckfast |
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| E: | lamarckii (Egyptian) |
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|
| Importation mode |
| ieg : | Eggs imported (brood comb) |
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| ilv : | Grafted larvae imported |
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| Mating Places, etc |
| nat : | Free mated at random |
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| nmrk : | Butleren (NO) |
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| run : | Runnö island (SE) |
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| strs : | Styrsö island (SE) |
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| vdls : | Vendelsö island (SE) |
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|
