Effect of dietary energy levels and phase feeding by protein levels on growth performance, blood profiles and carcass characteristics in growing-finishing pigs

Table 5 Effects of dietary energy and protein levels on blood profiles in growing · finishing pigs¹

Criteria	Treatments						SEM²	P-value
Criteria	ME 3,265	ME 3,365	CON	P4	P5	LP5	SEM²	E	P	E × P
BUN, mg/dL
Initial	10.28	10.28	10.28	10.28	10.28	10.28	-	-	-	-
3 weeks	11.61	11.14	11.95	11.76	11.60	10.18	0.285	0.41	0.12	0.78
6 weeks	10.65	9.90	12.30^A	10.10^B	10.10^B	8.60^B	0.334	0.21	0.01	0.30
9 weeks	9.45	10.14	10.14	10.46	9.45	9.13	0.258	0.18	0.25	0.64
12 weeks	11.42	11.69	10.85	12.70	10.80	11.87	0.329	0.69	0.15	0.83
13 weeks	11.68	10.65	10.17	10.81	12.23	11.45	0.378	0.18	0.27	0.85
Creatinine, mg/dL
Initial	1.00	1.00	1.00	1.00	1.00	1.00	-	-	-	-
3 weeks	0.82	0.82	0.72	0.78	0.92	0.84	0.030	1.00	0.12	0.34
6 weeks	0.96	0.89	0.89	0.90	0.94	0.98	0.025	0.17	0.58	0.80
9 weeks	1.18	1.20	1.11	1.22	1.19	1.25	0.032	0.71	0.52	0.54
12 weeks	1.44	1.40	1.38	1.40	1.38	1.53	0.030	0.58	0.26	0.30
13 weeks	1.45^a	1.32^b	1.31	1.45	1.32	1.47	0.033	0.05	0.17	0.98

¹Least squares means of 6 observations per treatment
²Standard error of mean
^ABmeans with different superscripts in the same row significantly differ (P < 0.05)
^abmeans with different superscripts in the same row significantly differ (0.05 ≤ P < 0.10)

ISSN: 2055-0391