Bee colonies suffer devastating winter
'Colony-collapse disorder' is hitting harder than ever, according to early estimates.
Photo: dni777/Flickr Eighty percent of his afflicted hives showed signs of CCD, Hackenberg said. With the condition, foraging worker bees don't return to a hive even if a full brood is waiting to hatch. One theory is that the foragers, knowing they are sick, fly off to die rather than compromise the hive.
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