. 2020 Jun 24;27(10):2747–2755. doi: 10.1016/j.sjbs.2020.06.027

Table 2.

Effect of dietary treatments on performance parameters of broilers at 21 and 42 days.

Traits	Groups^*					SEM	P-value
Traits	CON	AB	ORG	PHY	COM	SEM	P-value
Initial body weight (g)	42.3	42.4	42.6	42.5	42.8	0.012	0.970
0–21 days
Feed intake (g)	1040^b	1057^ab	1056^ab	1086^a	1079^a	6.55	0.132
Body weight (g)	654^b	679^ab	690^a	704^a	695^a	6.02	0.068
FCR (g:g)	1.66^a	1.54^a	1.52^a	1.53^a	1.55^a	0.014	0.495
22–42 days
Feed intake (g)	3940^a	3890^ab	3835^c	3807^c	3843^bc	13.1	<0.001
Body weight (g)	1870^c	1960^ab	1940^b	2013^a	1991^ab	14.0	0.001
FCR (g:g)	2.12^a	1.99^b	1.95^b	1.82^c	1.90^bc	0.013	<0.001

Values are mean of 50 birds/treatment.

SEM: standard error of mean.

^a,b,c,d

Means with different supersript in the same row differ significantly at p < 0.05.

Groups; CON: control, AB: antibiotic growth promoter, ORG: organic acid, PHY: phytogenic feed additives, COM: combination.