1 daughter colonies of the 4a were tested:
CH-51-31-926-2023
3 tested queens were mated at the mating station:
CH-51-36-51-2024 CH-51-169-6-2024 CH-51-208-906-2024
9 daughter colonies of queens mated at the mating station were tested:
CH-51-169-5-2025 CH-51-169-7-2025 CH-51-169-8-2025 CH-51-208-10-2025 CH-51-208-44-2025 CH-51-208-86-2025 CH-51-208-910-2025 CH-51-208-944-2025 CH-51-208-986-2025