No daughter colonies of the 4a were tested yet.
2 tested queens were mated at the mating station:
CH-51-401-62-2007 CH-51-401-79-2007
4 daughter colonies of queens mated at the mating station were tested:
CH-51-119-1-2010 CH-51-119-2-2010 CH-51-119-14-2008 CH-51-119-17-2008