Table 5.
Measures of bee development and health | MDD | %MDD |
---|---|---|
Number of adult worker bees | 269.7–4425 | 15.2–21.4 |
Number of capped worker brood cells | 133.7–5337 | 30.8–40.8 |
Number of open worker brood cells | 56.79–6665 | 34.9–49.3 |
Spring honey yield | 2.0–2.0 | 7.8–8.5 |
Percentage of Brassica napus pollen in spring honey | 5.2–5.3 | 7.2–7.6 |
Summer honey yield | 3.1–3.2 | 27.7–43.2 |
Naturally occurring fall of Varroa mites (DAP 11–92) | 0.70–4.9 | 73.3–690 |
Flumethrin-induced fall of Varroa mites (DAP 108–150) | 16.6–44.1 | 67.9–69.7 |
Varroa infestation level as determined by the icing sugar method | 4.3–15.0 | 23.4–24.5 |
Nosema spores | 0.010–0.15 | 86.7–98.0 |
DWV | 0.026–0.27 | 43.7–71.7 |
SBV | 0–1.1 × 10−8 | 0–100.0 |
ABPV | 2.6 × 10−6–0.34 | 52.3–100.0 |
Ranges for MDDs and relative MDDs (%MDD) for various endpoints are shown