1 daughter colonies of the 4a were tested:
DE-13-14-600-1996
1 tested queens were mated at the mating station:
DE-13-14-600-1996
11 daughter colonies of queens mated at the mating station were tested:
DE-13-14-1102-2000 DE-13-14-1103-2000 DE-13-14-1104-2000 DE-13-14-1105-2000 DE-13-14-1106-2000 DE-13-14-1107-2000 DE-13-14-1108-2000 DE-13-14-1109-2000 DE-13-14-1110-2000 DE-13-14-1111-2000 DE-13-14-1117-2000