Fig. 2.

Proportion of the tracking time pigs spent outside differently sized rings around their household (n = 43 pigs). The cross-mark (x) represents the mean value, the horizontal line in the box represents the median value, the lower and upper boundaries of the box represent the first and third quartiles, respectively. The whiskers extend to the largest value no further than 1.5-fold the inter-quartile range, and the individual dots represent observations above the latter value