International Scholarly Research Notices / 2011 / Article / Tab 2

Research Article

Stallion Mate Choice and Mare Sexual Behaviour in a Herd of Sorraia Horses (Equus caballus)

Table 2

Influence of dominance status and reproductive state on male mate choice and female receptivity, as measured by the Mann-Whitney U-test.

Mean ± S.D.DominanceReproductive state
𝑁 D 𝑁 S U 𝑁 B 𝑁 F U

2003
Simultaneous oestrus frequency (h−1)0.91 ± 0.6562105315*
Total oestrus frequency (h−1)0.72 ± 0.4562105315*
Total success (%)14.9 ± 11.77266311.5
Success in oestrus (%)27.8 ± 17.1627535
Oestrus discrimination (%)74.3 ± 17.3620533
Receptivity (%)55.3 ± 23.06210538

2005
Simultaneous oestrus frequency (h−1)0.86 ± 0.57637634
Total oestrus frequency (h−1)0.87 ± 0.61737.56410
Total success (%)10.6 ± 12.973106410
Success in oestrus (%)17.2 ± 20.4738649
Oestrus discrimination (%)72.9 ± 18.07321*6422*
Receptivity (%)57.9 ± 23.07386417

Number of mares: 𝑁 D : dominants, 𝑁 S : subordinates, 𝑁 B : barren and 𝑁 F : with foals; * 𝑃 < . 0 5 .