. 2013 Dec 20;8(12):e85347. doi: 10.1371/journal.pone.0085347

Table 7. Broiler chicken performance.

	PC	NC	NI₁₀₀	NI₃₀₀	NI₉₀₀	NI₂₇₀₀	SEM	P
BWG (g/bird)
1-14d	313^b	332^a	332^a	346^c	360^d	381^e	3.12	<.0001
14-28d	859^a	858^a	899^ab	900^ab	932^b	946^b	8.16	0.003
28-35d	591^b	539^a	520^a	530^a	556^ab	591^b	6.85	0.002
1-35d	1763^a	1729^a	1751^a	1776^a	1847^b	1918^c	12.61	<.0001
FE (kg/kg)
1-14d	1.42^d	1.37^a	1.37^a	1.36^a	1.32^c	1.27^b	0.01	<.0001
14-28d	1.62	1.63	1.59	1.62	1.60	1.58	0.01	0.754
28-35d	1.87^b	2.01^a	2.08^a	1.99^ac	1.97^abc	1.89^bc	0.02	0.001
1-35d	1.66^a	1.70^a	1.69^a	1.68^a	1.65^ab	1.61^b	0.01	0.003
FI (g/bird)
1-14d	446^a	456^ac	455^a	470^bc	475^b	483^b	2.50	<.0001
14-28d	1388^a	1391^a	1425^ac	1452^bc	1489^b	1493^b	8.54	<.0001
28-35d	1101	1079	1073	1052	1090	1113	7.79	0.281
1-35d	2934^a	2926^a	2953^ab	2973^ab	3054bc	3089^c	15.72	0.005

PC - positive control (salinomycin, 60 mg/kg); NC - negative control (any additives);NI₁₀₀ - 100 IU nisin/g (3.2 ml/kg); NI₃₀₀ - 300 IU nisin/g (9.7 ml/kg); NI₉₀₀ - 900 IU nisin/g (20.1 ml/kg); NI₂₇₀₀ - 2700 IU nisin/g (87.2 ml/kg);

BWG -Body Weight Gain; FE - Feed Efficiency; FI - Feed Intake

SEM - standard error of the mean

Within the same row, different superscripts indicate significant differences between treatments (P≤ 0.05)