No daughter colonies of the 4a were tested yet.
4 tested queens were mated at the mating station:
CH-50-1-81-2000 CH-50-1-706-2000 CH-50-1-1082-2000 CH-50-1-1083-2000
2 daughter colonies of queens mated at the mating station were tested:
CH-50-1-29-2003 CH-50-3-394-2000