Table-2.

Effect of experimental diets on performance indices of broilers at different ages.

Item	Experimental treatment						SEM
	Control	Antibiotic	50 ppm propolis	100 ppm propolis	200 ppm propolis	300 ppm propolis
BW, g
Day 21	617.5	632.1	613.5	646.5	634.6	618.6	17.2
Day 42	2164	2252	2248	2285	2189	2223	63.8
DFI, g/day
Day 1-21	45.2	45.7	45.7	46.4	45.1	45.7	0.7
Day 22-42	147.3	152.1	154.0	154.0	144.3	153.8	5.85
Day 1-42	95.7	99.1	100.1	100.2	99.6	98.5	3.9
Feed: gain, g: g
Day 1-21	1.66	1.63	1.63	1.62	1.60	1.66	0.1
Day 22-42	2.00	1.97	2.00	2.00	1.94	2.01	0.05
Day 1-42	1.89	1.87	1.88	1.91	1.84	1.91	0.04

SEM=Standard error of mean, BW=Body weight, DFI=Daily feed intake