Fig. 4From: Double-coated microencapsulation of honeybee endogenous probiotics as a new strategy for the biocontrol of the American foulbrood diseaseThe relation between bacterial strain types and mean encapsulation efficiency (± STD). Uppercase letters are results of Tukey test. a−d Means with the same letter are not significantly different at sig. (p ≤ 0.05)Back to article page