METRIC · COLONY HEALTH
Colony Loss Rate (CLR)
Rate at which managed colonies are dying or failing, the program's primary attrition indicator.
Colony HealthUnit: %Monthly
Formula
Colonies lost in the period ÷ colonies at period start, annualized across the program.
Thresholds & Bands
| Band | Range | State |
|---|---|---|
| Sustainable | < 10 | ok |
| Concerning | 10-25 | warn |
| Severe | ≥ 25 | crit |