Summary of enrichment effects on male reproduction and other productivity-related variables in Black mink in Experiment 2.

<p>Italics indicate a statistical trend 0.05</p><p>For effects on female reproduction, see <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0110589#pone-0110589-g002" target="_blank">Figures 2</a>, <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0110589#pone-0110589-g003" target="_blank">3</a>, <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0110589#pone-0110589-g004" target="_blank">4</a>.</p>1<p>Medians with interquartile ranges in parentheses. These analyses do not control for cortisol metabolites levels, but doing so did not influence the outcomes.</p>2<p>Paired analyses were conducted for siblings on all measures of reproductive success; however, results are only presented if significant effects were detected that were not apparent in the larger group.</p><p>Summary of enrichment effects on male reproduction and other productivity-related variables in Black mink in Experiment 2.