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. 2021 Feb 5;99(2):skab033. doi: 10.1093/jas/skab033

Table 3.

Effects of oregano essential oil on growth performance of yellow-feathered chickens in the starter phase1

Treatments2
Variables CON AB OEO-150 OEO-300 SEM P-value
1-d BW, g 33.50 33.58 33.52 33.55 <0.01 0.961
30-d BW, g 289.3b 295.1b 304.3a 306.3a 3.02 0.002
ADFI, g 18.90b 18.98b 19.19ab 19.91a 0.270 0.059
ADG, g 8.84c 9.09bc 9.34ab 9.41a 0.101 0.003
FCR 2.14 2.09 2.06 2.13 0.029 0.200
Mortality, % 0.83 0.42 0.00 0.00 0.005 0.403

1Data are means with the SEM derived from ANOVA error mean square for n = 6.

2CON, control diet; AB, control diet containing 20 mg/kg virginiamycin; OEO-150, control diet containing 150 mg/kg organic essential oil; OEO-300, control diet containing 300 mg/kd organic essential oil.

a,b,cMeans within the same row having different superscripts differ significantly (P < 0.05).