Table 1. Population characteristics of the horses.

group	gender	age [years]	body weight [kg]
CON	female	3	395
	male	5	560
	female	21	461
	female	12	528
	female	18	570
	female	23	582
JAM	female	11	500
	male castrated	5	590
	female	19	548
	female	20	624
	female	11	570
	female	24	480

CON = placebo group; JAM = Jerusalem artichoke meal