Fig. 2

Distribution of ELISA OD values in pigs with different vaccination status at the end of rearing. Upper and lower whiskers of the box plot indicate maximum and minimum. Median is indicated in the interquartile range shown as box. The vaccination status of the rearing piglets is displayed on the X-axis (UNVAC, PIGVAC, SOWVAC-1, SOWVAC-2). Different letters mark significant differences (p < 0.05)