Effect of Bacillus velezensis to substitute in-feed antibiotics on the production, blood biochemistry and egg quality indices of laying hens

Table 1 The effect of Bacillus velezensis on the production performance of laying hens

Treatment	Control group	Antibiotic group	Experiment group I	Experiment group II
AEPR (%)	78.889 ± 0.007^c	84.596 ± 0.006^a	80.827 ± 0.005^b	81.905 ± 0.006^b
AEW (g)	61.972 ± 0.150^a	61.045 ± 0.277^b	60.362 ± 0.140^c	61.192 ± 0.111^b
ADFI (g)	110.608 ± 0.368^d	113.830 ± 0.257^a	112.546 ± 0.281^b	111.435 ± 0.229^c
FCR	2.295 ± 0.022	2.241 ± 0.020	2.323 ± 0.017	2.257 ± 0.021^a

AEW Average egg weight, ADFI Asverage daily feed intake, FCR Feed conversion ratio
^a, ^b, ^c, ^d different lower case superscript showed significant difference in a row (p < 0.05)

ISSN: 1746-6148