Table 1.

Non-parametric statistical evaluation of fight parameters

Fight parameterTestNχ2d.f.P
Fight duration
    *Overall: 2G, 3TVan der Waerden χ289**20.3550.0011
    Group 1Friedman ANOVA154.52<0.11
    Group 2Friedman ANOVA1519.62<0.00006
Mean aggression winner
    *Overall: 2G, 3TVan der Waerden χ2732.6450.76
Mean aggression loser
    *Overall: 2G, 3TVan der Waerden χ2734.550.48
Maximum aggression winner
    *Overall: 2G, 3TVan der Waerden χ27311.350.046
    Group 1Friedman ANOVA117.320.026
    Group 2Friedman ANOVA64.420.11
Maximum aggression loser
    *Overall: 2G, 3TVan der Waerden χ2736.650.25
  • Group 1, aesthetasc shaved; Group 2, guard hair shaved.

  • * Two groups (G) with three treatments (T) each.

  • ** Excludes the pair where one animal died before the C-fight.

  • Excludes the 17 pairs that did not fight after shaving and/or distilled water lesion.