METRIC · COLONY HEALTH
Hygienic Behavior (HYG)
Colony's ability to detect and remove diseased or parasitized brood, a heritable trait correlated with disease resistance.
Colony HealthUnit: %Monthly
Formula
Freeze-killed brood cells uncapped and removed within 24 hours ÷ total assayed cells.
Thresholds & Bands
| Band | Range | State |
|---|---|---|
| Highly hygienic | ≥ 95 | ok |
| Moderate | 80-95 | warn |
| Low | < 80 | crit |