Summary of enrichment effects on known or likely welfare indicators in Black mink in Experiment 2 (see also Figs. 3 & 4).

<p>Italics indicate a statistical trend 0.050.10). Paired analyses were conducted for siblings for all adult behaviour; however, results are only presented where they differed from those in the larger group.</p>1<p>Means with standard deviations for continuous data unless otherwise specified; proportions for categorical data.</p>2<p>Back-transformed means with 95% confidence intervals from logit-transformed data.</p>3<p>Effect still present after controlling for overall activity levels (time spent doing anything other than resting; p>0.10).</p>4<p>Back-transformed means with 95% confidence intervals from log-transformed data.</p><p>Summary of enrichment effects on known or likely welfare indicators in Black mink in Experiment 2 (see also <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0110589#pone-0110589-g003" target="_blank">Figs. 3</a> & <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0110589#pone-0110589-g004" target="_blank">4</a>).