Table 6. Effects of dietary energy and crude protein levels on blood profiles of sows

Energy CP (%)	ME 13.40 MJ /kg (%)			ME 13.82 MJ/kg (%)			SEM	p-value
	10.5	12	13.5	10.5	12	13.5		ME	CP	M × C
Glucose (mmol/L)
Day 35			4.03				-	-	-	-
Day 110	4.39	4.49	4.39	4.13	4.43	4.59	0.055	0.82	0.28	0.25
24 hours postpartum	5.60	5.59	5.92	5.19	5.97	5.65	0.128	0.33	0.95	0.13
Day 21 of lactation	4.54	4.05	4.31	4.55	4.58	4.52	0.064	0.04	0.27	0.22
BUN (mmol/L)
Day 35			3.68				-	-	-	-
Day 1101)	2.46	2.70	3.50	3.25	3.29	3.33	0.109	< .01	0.01	0.05
24 hours postpartumL	2.30	2.26	4.00	2.90	3.61	3.68	0.176	< .01	< .01	< .01
Day 21 of lactationL	5.93	7.46	7.61	7.38	7.06	6.94	0.159	0.24	0.02	< .01

Linear response (p < 0.05) to dietary CP levels when a significant CP effect was detected.
CP, crude protein; ME, metabolizable energy; SEM, Standard error of means; BUN, blood urea nitrogen.