A statistical analysis of treatment effects was performed by three way
analysis of variance, including the experimental factors of antioxidant,
oil and sex. Comparison of means proceeded with Duncan's multiple
range test at levels of significance of P ≤ 0.05 and P ≤ 0.01. All
analyses were conducted using the Statistica 10 package (StatSoft,
2011). All procedures included in the experiment were in accordance
with the Second Local Cracow Ethics Committee for Experiments with
Animals in Cracow, Poland.