Table 2.
Experimental timing for each year of the study
| Event/assessment | 2018 | 2019 | 2020 |
|---|---|---|---|
| Hives moved out of wintering building | April 18 | April 1 | April 7 |
| Cluster score Brood area Patty application |
April 20 | April 3 | April 9 |
| Two-week brood area | April 17–18 | April 23 and 27 | |
| Brood solidness | May 3 | May 5 | |
| Patty removal Cluster score Brood area Brood solidness |
May 23–25 | May 1,3 | May 5 |
| Prepollination cluster score | June 18 (59 d postinitial feed) | June 13–14 (71 d postinitial feed) | June 16 (68 d postinitial feed) |