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. 2018 Jan 31;13(1):e0191256. doi: 10.1371/journal.pone.0191256

Fig 1. Effect of exposure to single and combined agricultural agents on honeybee survival.

Fig 1

Survival is expressed as the percentage of cumulated number of surviving bees during the monitoring period of 11 days for each treatment group with n = 180 (MMH = E. faecalis strain MMH594, FLY = E. faecalis strain FLY1). Asterisks indicate differences in the survival rate after 11 days of individuals exposed to different stressors, * ≤ 0.005, ** ≤ 0.001, *** ≤ 0.0001 (Kaplan-Meier survival analysis, log Rank test for overall comparison).