Fig. 6From: Analytical characterization of trace elements (zinc, copper, cadmium, lead and selenium) in saliva of pigs under common pathological conditions in the field: a pilot studyConcentration of the salivary trace elements Cu (a), Zn (b), Cd and Se (c) and Pb (d), in clinically healthy pigs from a commercial farm (n = 15) and from a farm with documented high sanitary status (n = 20). Box-and-whisker plot showing median (horizontal line inside box), mean (plus symbol), 25 and 75 percentiles (edge of box), 10 and 90 percentiles (whiskers) and individual data points beyond (filled circle); significant pairwise comparisons are noted (adjusted p)Back to article page