Table 2. The effect of the dietary E. faecium supplementation on the growth performance of the weanling pigs.

Items	CON	TRT1	TRT2	TRT3	TRT4	SEM1	P-value
							linear	quadratic
Body weight (kg)
Initial	6.38	6.37	6.38	6.38	6.38	0.00	0.740	0.779
Week 1	8.01	8.27	8.21	8.15	8.11	0.06	0.009	0.754
Week 3	13.63	13.86	14.04	14.80	14.96	0.19	0.274	0.318
Week 6	25.73	26.38	26.67	26.71	27.93	0.19	< 0.000 1	0.123
Week 1
ADG (g)	234	246	254	261	270	9	0.011	0.777
ADFI (g)	315	333	342	350	354	9	0.006	0.408
G : F	0.739	0.738	0.741	0.749	0.761	0.010	0.468	0.288
Week 3
ADG (g)	401	412	419	428	435	11	0.212	0.861
ADFI (g)	567	595	614	626	639	13	0.034	0.355
G : F	0.708	0.692	0.682	0.689	0.689	0.009	0.144	0.148
Week 6
ADG (g)	576	588	600	612	614	12	0.013	0.666
ADFI (g)	923	938	951	952	964	16	0.064	0.739
G : F	0.624	0.626	0.631	0.637	0.643	0.006	0.028	0.664
Overall
ADG (g)	461	476	483	484	489	4	< 0.000 1	0.127
ADFI (g)	703	726	739	730	743	7	0.001	0.125
G : F	0.656	0.656	0.654	0.663	0.659	0.004	0.285	0.928

¹Standard error of means – significant results were defined as less than P < 0.05 and statistically highly significant as P < 0.001

ADG = average daily gain; ADFI = average daily feed intake; CON = basal diet; G : F = gain : feed; TRT1 = basal diet + 2.5 × 10⁵ cfu/g E. faecium; TRT2 = basal diet + 1.29 × 10⁶ cfu/g; TRT3 = basal diet + 1.15 × 10⁷ cfu/g; TRT4 = basal diet + 1.1 × 10⁸ cfu/g