. 2010 Apr 18;17(3):219–225. doi: 10.1016/j.sjbs.2010.04.005

Table 5.

Feed conversion ratio of chickens fed on rations containing different concentration of probiotic.

Age in week	Feed conversion ratio of treatment groups
	Probiotic supplementation (g/kg feed)
	Control	1.6 g/kg	1 g/kg	0.8 g/kg
0–1	1.84 ± 0.055^a	1.74 ± 0.055^a	1.65 ± 0.055^a	1.80 ± 0.055^a
1–2	1.80 ± 0.045^a	1.77 ± 0.045^a	1.63 ± 0.045^a	1.70 ± 0.045^a
2–3	1.88 ± 0.040^a	1.47 ± 0.040^c	1.80 ± 0.040^b	1.72 ± 0.040^b
3–4	1.74 ± 0.010^a	1.49 ± 0.010^c	1.61 ± 0.010^b	1.60 ± 0.010^b
4–5	2.21 ± 0.043^a	2.11 ± 0.043^b	2.12 ± 0.043^b	2.19 ± 0.043^b
5–6	2.1 ± 0.026^a	1.55 ± 0.026^c	1.87 ± 0.026^b	1.81 ± 0.026^b
0–4	1.81 ± 0.024^a	1.56 ± 0.024^c	1.67 ± 0.024^b	1.67 ± 0.024^b
4–6	2.06 ± 0.025^a	1.9 ± 0.025^b	1.98 ± 0.025^ba	2.0 ± 0.025^a
0–6	1.93 ± 0.021^a	1.71 ± 0.021^c	1.85 ± 0.021^b	1.79 ± 0.021^cb

Means within rows with no common letters are significantly different (P < 0.05).