No daughter colonies of the 4a were tested yet.
2 tested queens were mated at the mating station:
CH-50-6-101-2008 CH-50-6-125-2008
6 daughter colonies of queens mated at the mating station were tested:
CH-50-57-999-2009 CH-50-57-60104-2010 CH-50-57-60108-2010 CH-50-57-60109-2010 CH-50-91-60137-2010 CH-50-91-60139-2010