American Foul Brood has been confirmed in 2 locations in Vermont
On Thursday May 28th, 2020 laboratory results confirmed multiple cases of American Foul Brood (AFB) Paenibacillus larvae, at an apiary in Orwell, Vermont and one case at an apiary in Windham County.
Beekeepers should familiarize themselves with AFB symptoms and observe carefully when inspecting colonies and equipment. Any suspect findings should be reported immediately to Vermont Agency of Agriculture, Food and Markets Pollinator Health Specialist, at 802-272-6688.
American Foul Brood (AFB) is considered to be one of the worst honey bee diseases. It is an infectious and highly contagious disease spread by the spore-forming bacterium, Paenibacillus larvae. AFB is said to be the most persistent of honey bee diseases. It’s infectious spores can persist in honey, wax, pollen, and beekeeping equipment for decades.
AFB symptoms include:
Spotty brood pattern with discolored, sunken, or perforated capping. Larvae is caramel to dark brown in color with a foul smelling odor. When suspect cells are sampled with a toothpick or match stick, the larvae form a ropy string >2cm when pulled from the cell.
Eventually, dead larvae from AFB will dry and form Scale, found on the lower cell walls.
Reminder: registration of all honeybee colonies is required by state statute and is currently open for the 2020 season- Go to the VAAFM website Apiary page for more info or contact:
Pollinator Health Specialist
Vermont Agency of Agriculture, Food and Markets