Table 1.

Age and gender profile of horses included in the study.

	Gender
Number of animals	Mares		Stallions		Geldings
in the groups	163		185		5
	Age (years)
	1–3 y	4–6 y	7–9 y	10–12	13–15 y	>15 y
Number of animals	83	135	66	39	11	19

Statistical significance was set at a p value below 0.05.