Effects of Bacillus subtilis on growth performance, serum parameters, digestive enzyme, intestinal morphology, and colonic microbiota in piglets

AMB Express

Table 2 Effects of dietary B. subtilis supplementation on growth performance of piglets

Items	CTR^c	ABT^d	PBT^e	SEM^f	P-value
Initial body weight (kg)	14.07	14.05	14.07	0.005	0.14
Final body weight (kg)	28.27^b	31.22^a	31.15^a	0.53	0.002
ADG (kg)	0.51^b	0.61^a	0.61^a	0.12	0.002
ADFI (kg)	1.00	1.11	1.13	0.03	0.08
F:G	1.97^a	1.81^b	1.84^{a, b}	0.03	0.04

ADG average daily gain, ADFI average daily feed intake, F:G feed:gain ratio
^{a, b}Value within a row with different superscripts were considered to be significant when P < 0.05 (n = 4 per treatment)
^cCTR control group (basal diet); the same as below
^dABT antibiotic group (basal diet supplied with 40 mg/kg kitasamycin and 75 mg/kg chlorotetracycline); the same as below
^ePBT probiotic group (basal diet supplied with 0.1% B. subtilis); the same as below
^fSEM standard error of the mean; the same as below