Table 2. Effects of phytase supplementation on the productive performance of broilers (n=10)

Variable	PC	NC	NC500	NC1000	NC1500	SEM	p-value
ADG (g/d)	60.2^a	56.5^b	60.1^a	60.3^a	61.6^a	0.41	0.001
ADFI (g/d)	99.0^a	93.0^b	96.6^ab	98.2^a	98.9^a	0.64	0.009
FCR	1.64	1.65	1.61	1.63	1.61	0.02	0.756

Means within the column with no common superscripts differ significantly (p < 0.05).
PC, positive control; NC, negative control; NC500, NC + phytase at 500 FTU/kg; NC1000, NC + phytase at 1,000 FTU/kg; NC1500, NC + phytase at 1,500 FTU/kg; ADG, average daily gain; ADFI, average daily feed intake; FCR, feed conversion ratio.