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

Hong, J. S.; Lee, G.I.; Jin, X. H.; Kim, Y. Y.

doi:10.1186/s40781-016-0119-z

Journal of Animal Science and Technology

Table 4 Effects of dietary energy and protein levels on growth performance in growing-finishing pigs^a

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

Criteria	Treatments						SEM^b	P-value
Criteria	ME 3,265	ME 3,365	CON	P4	P5	LP5	SEM^b	E	P	E×P
Body weight, kg
Initial	26.27	26.35	26.25	26.31	26.32	26.37		-	-	-
3 weeks	43.62	43.41	43.14	42.64	44.39	43.89	0.740	0.90	0.88	0.86
6 weeks	61.39	61.11	61.45	59.90	62.33	61.32	0.893	0.89	0.85	0.85
9 weeks	80.98	79.43	81.20	78.42	80.40	80.80	0.998	0.46	0.79	0.44
12 weeks	100.67	99.86	101.27	98.06	100.60	101.12	1.134	0.74	0.77	0.66
13 weeks	107.75	107.64	107.67	105.80	108.89	108.43	1.190	0.97	0.84	0.58
ADG, g
0-3 weeks	826	812	804	778	861	835	16.1	0.66	0.30	0.28
3-6 weeks	846	843	872	823	855	830	17.8	0.94	0.79	0.84
6-9 weeks	933	872	941	882	860	928	22.0	0.77	0.56	0.61
9-12 weeks	938	973	956	936	962	968	20.0	0.17	0.52	0.28
12-13 weeks	1,012	1,112	913	1,106	1,185	1,044	50.4	0.42	0.96	0.60
0-6 weeks	836	828	838	800	858	832	13.6	0.33	0.30	0.55
6-13 weeks	946	950	943	937	950	962	11.2	0.89	0.90	0.41
0-13 weeks	895	894	895	874	908	902	10.6	0.92	0.72	0.41
ADFI, g
0-3 weeks	1,644	1,678	1,672	1,606	1,751	1,616	42.8	0.71	0.67	0.70
3-6 weeks	2,177	2,138	2,202	2,081	2,246	2,102	48.4	0.71	0.64	0.94
6-9 weeks	2,583	2,595	2,702	2,514	2,599	2,541	48.3	0.98	0.61	0.90
9-12 weeks	2,903	2,875	2,924	2,931	2,957	2,743	42.1	0.92	0.61	0.96
12-13 weeks	3,035	3,252	3,146	3,274	3,069	3,085	53.0	0.73	0.25	0.19
0-6 weeks	1,911	1,908	1,937	1,843	1,999	1,859	42.3	0.49	0.22	0.43
6-13 weeks	2,785	2,808	2,860	2,801	2,819	2,705	34.5	0.97	0.41	0.89
0-13 weeks	2,381	2,393	2,434	2,359	2,440	2,314	35.1	0.99	0.50	0.92
G/F ratio
0-3 weeks	0.510	0.487	0.483	0.485	0.497	0.530	0.0103	0.28	0.38	0.55
3-6 weeks	0.391	0.397	0.399	0.395	0.382	0.400	0.0073	0.69	0.84	0.60
6-9 weeks	0.363	0.340	0.350	0.355	0.333	0.369	0.0099	0.76	0.71	0.67
9-12 weeks	0.326	0.339	0.327	0.322	0.329	0.354	0.0082	0.26	0.66	0.41
12-13 weeks	0.337	0.342	0.292	0.337	0.392	0.339	0.0174	0.45	0.57	0.67
0-6 weeks	0.441	0.437	0.436	0.435	0.432	0.453	0.0066	0.35	0.46	0.77
6-13 weeks	0.342	0.339	0.331	0.335	0.338	0.357	0.0052	0.98	0.31	0.77
0-13 weeks	0.378	0.375	0.369	0.371	0.373	0.392	0.0050	0.92	0.33	0.78

^aA total 128 crossbred pigs was fed from average initial body 26.62 ± 3.07 kg and the average final body weight was 107.7 kg. ^bStandard error of mean

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