Table 1.

Average colony forming units (CFU) count from bee and bee environment sources.

Source	Average CFU (SEM)
Pupae	1.1 (0.97)
Newly eclosed workers	0.33 (0.2)
Adult hive bees	5.6 (1.3)
Adult foraging bees	9.4 (1.4)
Swarming bees	13.8 (7.3)
Commercial bees	14 (3.4)
Honey	0.05 (0.04)
Empty comb	0.91 (0.56)
Propolis	0.95 (0.68)
Pollen stores	25.4 (3.0)

Ten biological replicates were collected from each source and SEM is shown in parentheses.