. 2020 Sep 14;99(12):6481–6492. doi: 10.1016/j.psj.2020.08.068

Table 3.

Effects of different treatments on growth performance of broiler chickens.

Stage	Indicator	Control group	ABG	ABP1	ABP2
1∼21 d	ADG	18.38 ± 0.33	19.06 ± 0.23	18.42 ± 0.35	18.42 ± 0.32
	ADFI	28.26 ± 0.36	28.80 ± 0.34	28.20 ± 0.50	28.24 ± 0.45
	F/G	1.538 ± 0.011^a	1.512 ± 0.006^b	1.532 ± 0.007	1.538 ± 0.009^a
	Survival rate	93.34 ± 1.52	90.01 ± 1.66	90.84 ± 3.25	94.58 ± 2.52
22∼40 d	ADG	42.86 ± 0.70	42.92 ± 1.02	41.92 ± 1.272	44.5 ± 0.57
	ADFI	81.74 ± 1.54	82.72 ± 1.47	80.74 ± 1.65	82.4 ± 0.98
	F/G	1.908 ± 0.020^a	1.928 ± 0.015^a	1.902 ± 0.025	1.854 ± 0.004^b
	Survival rate	91.60 ± 2.79^a	94.61 ± 1.21	94.96 ± 0.97	97.24 ± 1.36^b
41∼50 d	ADG	49.56 ± 1.71	48.70 ± 0.77	49.62 ± 1.68	50.84 ± 0.97
	ADFI	114.37 ± 2.12	109.34 ± 1.77	108.06 ± 2.21	106.72 ± 0.87
	F/G	2.38 ± 0.067^a	2.27 ± 0.050^a,c	2.152 ± 0.026^b,c	2.10 ± 0.025^b
	Survival rate	92.82 ± 3.14	97.26 ± 1.22	96.09 ± 2.16	96.88 ± 2.03
1∼50 d	ADG	34.68 ± 0.54	34.39 ± 0.55	34.18 ± 0.70	35.04 ± 0.22
	ADFI	68.17 ± 0.48^a	66.47 ± 0.80	64.74 ± 1.10^b	65.73 ± 0.41^b
	F/G	1.97 ± 0.020^a	1.93 ± 0.018^a,c	1.89 ± 0.013^b,c	1.88 ± 0.011^b
	Survival rate	80.42 ± 4.97	83.33 ± 2.27	82.92 ± 2.90	89.584 ± 2.37

^a-cIn the same line, the same letter superscripts mean no significant difference (P > 0.05), and the different letter superscripts mean significant difference (P < 0.05).

Abbreviations: ABG, antibiotic group; ABP1, antibacterial peptide group 1; ABP2, antibacterial peptide group 2; ADG, average daily gain; ADFI, average daily feed intake; F/G, feed to gain ratio.