Shape of brood
Healthy larvae and pupae are characteristically plump in shape. In healthy larvae at the prepupal stage, the circular lines of segmentation are clearly visible. In healthy pupae, the shape of all of the external body parts can be seen (Fig.18).
Early signs of infection
When an AFB infection occurs, the first symptom is often a slight change in the colour of the prepupae or pupae (Fig.19, 20 and 21).
Advanced infection of larvae
As the infection develops and the brood tissues are consumed, the remains slump down onto the lower wall of the cell. In diseased larvae in the prepupal stage, the lines of segmentation can no longer be determined easily (Fig. 16, 21 and 22).
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Our videos cover everything from your legal obligations to how to recognise AFB, collecting cell and bee samples and more.
There’s a lot of good information here, telling you everything you need to know about recognising AFB: the visual symptoms, smell of AFB and more.
New Zealand beekeepers have a number of legal obligations that must be met regarding AFB disease. Read the shortened list in summary, here.
Most hives become infected because bees, honey or equipment have been put into a hive from another hive that is infected with AFB. Lower your chances of an AFB infection by reading this section.
Find out when the next AFB Recognition and Competency Courses, or Refresher Courses are available. These are held throughout the year in various New Zealand locations across the South Island and North Island.