Table 4.

Plasma concentrations of insulin, insulin-like growth factor 1 (IGF-1), cortisol, leptin and total ghrelin measured in dogs^* fed the experimental protein–fat–carbohydrate (PFC) and protein–fat (PF) diets during days with rest at the kennel

(Least square means (LS-means) and 95 % confidence intervals)

	Diet				Period
	PFC		PF		1		2		P
	LS-mean	95 % CI	LS-mean	95 % CI	LS-mean	95 % CI	LS-mean	95 % CI	Diet	Period
Insulin (μU/ml)†	7·2	5·4, 9·0	6·3	4·5, 8·2	5·1	3·3, 6·9	8·4	6·6, 10·2	NS	<0·01
IGF-1 (ng/ml)	7·2	5·9, 8·5	10·4	9·1, 11·7	8·5	7·2, 9·8	9·1	7·8, 10·3	<0·01	NS
Cortisol (nmol/l)	91·9	68·2, 115·6	82·6	58·9, 106·4	80·1	56·3, 103·8	94·5	70·8, 118·2	NS	NS
Leptin (ng/ml)	0·36	0·30, 0·42	0·52	0·46, 0·59	0·43	0·37, 0·49	0·45	0·39, 0·52	<0·01	NS
Total ghrelin (pg/ml)	1212	962, 1463	1039	789, 1290	1134	884, 1384	1118	867, 1368	NS	NS

^*Number of observations per treatment: n 8.

† To convert to pmol/l, multiply by 6·945.