Dietary Bacillus spp. enhanced growth and disease resistance of weaned pigs by modulating intestinal microbiota and systemic immunity

Table 2 Growth performance of enterotoxigenic E. coli F18 challenged pigs fed diets supplemented with probiotics

Item^c	Control	PRO1^d	PRO2^e	SEM	P-value
BW, kg
d − 7	7.56	7.48	7.78	0.397	0.20
d 0 PI	8.02	8.04	8.49	0.399	0.24
d 7 PI	9.48^b	11.02^a	10.28^ab	0.420	0.069
d 14 PI	13.61^b	16.30^a	14.85^ab	0.762	0.056
d 21 PI	18.86	21.13	19.51	1.077	0.31
ADG, g
d − 7 to 0	86	77	103	19.39	0.63
d 0 to 7 PI	234^b	416^a	267^ab	46.58	0.087
d 7 to 14 PI	583^b	756^a	644^ab	49.18	0.091
d 14 to 21 PI	744	699	662	41.19	0.31
d 0 to 21 PI	517	624	523	50.19	0.24
Overall	409	486	419	39.58	0.30
ADFI, g
d − 7 to 0	230	249	215	24.28	0.57
d 0 to 7 PI	493	589	552	69.03	0.33
d 7 to 14 PI	733^b	1027^a	877^ab	70.62	< 0.05
d 14 to 21 PI	1016^ab	1105^a	910^b	65.94	0.074
d 0 to 21 PI	745	907	742	64.95	0.14
Overall	616	742	611	52.61	0.15
Gain:Feed
d − 7 to 0	0.366	0.377	0.477	0.068	0.18
d 0 to 7 PI	0.465	0.673	0.372	0.161	0.34
d 7 to 14 PI	0.802	0.743	0.699	0.042	0.27
d 14 to 21 PI	0.736^ab	0.637^b	0.742^a	0.030	0.069
d 0 to 21 PI	0.695	0.689	0.689	0.026	0.98
Overall	0.662	0.656	0.670	0.020	0.90

^a,bMeans without a common superscript are different (P < 0.05)
^cBW Body weight, ADG Average daily gain, ADFI Average daily feed intake, PI Post inoculation. Each least squares mean represents 8–10 observations
^dPRO1 = Bacillus subtilis DSM 32540
^ePRO2 = Bacillus pumilus DSM 32539

ISSN: 2049-1891