Figure 1. Antimicrobial treatment incidence (TI; treatments per 1,000 cows-days) by type of farm and WHO (World Health Organization) classification of critically important antimicrobials for human health (CIA) [1]. Median (horizontal lines), interquartile ranges (boxes), and 95th percentile (whiskers) are represented, and outliers are plotted separately as dots. Variables of the same color with different letters (a, b) differ ( p < 0.05).