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. 2023 May 25;102(8):102813. doi: 10.1016/j.psj.2023.102813

Table 2.

Effect of EO on the growth performance of Muscovy ducks (n = 6).

Items	CON	EO100	EO200	EO300	P value
Items	CON	EO100	EO200	EO300	EO	Linear	Quadratic
1–28 d of age
BW (g)	1172.6 ± 45.1^b	1245.9 ± 49.4^ab	1264.1 ± 60.8^a	1259.3 ± 43. 9^a	0.017	0.007	0.072
ADG (g/d)	48.92 ± 1.77^b	52.29 ± 2.09^a	53.27 ± 2.59^a	53.06 ± 1.74^a	0.006	0.002	0.047
ADFI (g/d)	130.45 ± 8.60	128.01 ± 20.31	129.05 ± 19.79	127.15 ± 20.51	0.743	0.475	0.412
FCR	2.67 ± 0.21	2.36 ± 0.30	2.30 ± 0.23	2.35 ± 0.31	0.097	0.049	0.265
28–56 d of age
BW (g)	3546.2 ± 72.3^c	3649.4 ± 87.6^bc	3779.2 ± 60.6^a	3727.0 ± 59.3^ab	<0.000	<0.000	0.014
ADG (g/d)	84.77 ± 1.69^b	85.84 ± 1.81^b	89.83 ± 0.82^a	88.13 ± 0.91^a	<0.000	<0.000	0.023
ADFI (g/d)	279.59 ± 28.92	279.03 ± 24.23	282.93 ± 27.34	284.07 ± 27.10	0.252	0.141	0.196
FCR	3.46 ± 0.35^b	3.16 ± 0.20^ab	3.03 ± 0.14^a	3.10 ± 0.30^ab	0.045	0.019	0.092
1–56 d of age
ADG (g/d)	69.41 ± 1.30^a	71.46 ± 1.69^ab	74.16 ± 1.11^c	73.10 ± 1.07^bc	<0.000	<0.000	0.009
ADFI (g/d)	216.11 ± 19.58	214.82 ± 12.84	217.47 ± 10.40	217.25 ± 19.49	0.358	0.198	0.241
FCR	3.23 ± 0.31^a	2.92 ± 0.22^ab	2.81 ± 0.17^b	2.88 ± 0.30^ab	0.047	0.021	0.089

^a–c

Values within a row with different letters differ significantly (P < 0.05).