5 daughter colonies of the 4a were tested:
CH-51-35-33-2019 CH-51-35-36-2019 CH-51-35-37-2019 CH-51-35-42-2019 CH-51-35-47-2019
15 tested queens were mated at the mating station:
CH-51-25-49-2021 CH-51-25-60-2021 CH-51-25-900-2021 CH-51-31-1-2021 CH-51-165-2-2021 CH-51-165-3-2021 CH-51-165-7-2021 CH-51-169-99-2021 CH-51-187-40-2021 CH-51-187-53-2021 CH-51-187-71-2021 CH-51-187-80-2021 CH-51-187-82-2021 CH-51-187-83-2021 CH-51-187-99-2021
12 daughter colonies of queens mated at the mating station were tested:
CH-51-169-95-2022 CH-51-172-4-2022 CH-51-172-5-2022 CH-51-172-19-2022 CH-51-172-30-2022 CH-51-172-32-2022 CH-51-172-36-2022 CH-51-187-6-2022 CH-51-187-8-2022 CH-51-187-12-2022 CH-51-187-57-2022 CH-51-187-65-2022