. 2023 May 29;102(9):102823. doi: 10.1016/j.psj.2023.102823

Table 5.

Growth performance in chickens.

Group	BWG 0–7	FI 0–7	FCR 0–7
I	130^ab	161^a	1.24^a
II	127^b	146^c	1.15^bc
III	135^a	152^ab	1.13^c
IV	131^ab	156^ab	1.19^ab
SEM	0.892	1.269	0.01
P value	0.0058	<0.001	<0.001

Abbreviations: BWG, body weight gain; FCR, feed conversion ratio; FI, feed intake; SEM, standard error of the mean.

^{a, b, c}

: statistical differences; 0–7: days of life; I: control group—eggs injected with sterile 0.9% physiological saline; group II: eggs injected with a multistrain probiotic; group III: eggs injected with a multistrain probiotic and zinc glycine chelate (Zn-Gly); group IV: eggs injected with zinc glycine chelate (Zn-Gly).