Table 6.

Effects of dietary treatments on weekly feed intake (g) of broilers.

Treatment1	Day 1–7	Day 7–14	Day 14–21	Day 21–28	Day 28–35	Day 35–42
Con	22.5	58.2	113	149	170	206d
Ab	22.2	56.5	117	149	185	248a
BPL	22.9	55.0	118	143	162	214c
BPH	21.2	53.6	111	170	170	201e
BSL	22.1	57.5	114	155	161	239b
BSH	22.3	56.9	114	162	187	250a
SEM	1.2	2.2	8.9	10.4	12.9	0.86
P-value	0.943	0.697	0.994	0.509	0.591	<0.001

^a-dMeans with different superscripts in the same column differ (P < 0.05).

n = 6 pens per group, 57 or 58 birds per pen.

¹Con: control; Ab: antibiotic (virginiamycin); BPH: high dose of B. pumilus; BPL: low dose of Bacillus pumilus; BSH: high dose of B. subtilis; BSL: low dose of B. subtilis.