Unhealthy Brood
Session 4
Beehive Inspection
Frame Inspection to assess Colony Health and Condition
Unhealthy brood
A symptom common to all bee brood diseases is perforated cell caps, or cell caps completely opened or removed.
Some publications describe this as a symptom for AFB, but it is common to all cases of dead brood behind capped cells, even chilled brood that died without a disease.
When the expected hatching of bees from the pupae is overdue the adult bees start opening some of the capped cells to investigate.Unhealthy brood
perforated cell caps
Next
Back
tba