Table 5.

Volatile fatty acid concentrations in the faeces (mg/g dry faeces) and plasma (mmol/l) of overweight and moderate-condition mares on days 11–14 of the study

(Mean values with their standard errors)

	Overweight mares (n 5)		Moderate-condition mares (n 5)		Group
	Mean	sem	Mean	sem	P
Faeces
Acetate	8·28	1·76	8·31	1·40	0·973
Propionate	4·44	1·35	4·70	1·33	0·770
Butyrate	0·68	0·17	0·68	0·19	0·972
Plasma
Acetate	1·55	0·10	1·39	0·11	0·034