top of page

Sac Brood

Sac Brood is a viral disease. Adult nurse bees clean infected brood cells and, in turn, contract the virus.


Dead brood positioned upright in cells, their bodies a dark white, grey, or brownish-black color with the uppermost portion(head) darker than the rest of the body.

How it Spreads

Infected equipment

Moving infected combs to uninfected hives




Feeding pollen and syrup

Moving colonies to a sunny location


To help prevent Sac Brood, always sterilize your equipment after working someone else's bees. Requeen every 1-2 years. Maintaining strong colonies and treating for pests namely, Varroa, will greatly reduce the stress on a colony and help it fight off disease.

148 views0 comments

Recent Posts

See All


Thanks for submitting!

Subscribe to receive monthly tips, tricks, and beekeeping hacks!!

bottom of page