Table 2.

Effects of verbena officinalis on the growth performance of growing ducks.

Week	T1(CON)	T2(2%V)	T3(4%V)
Week 1	1200.28 ± 92.06	1224.53 ± 91.36	1204.30 ± 99.47
Week 2	2235.74 ± 96.05	2286.12 ± 86.78	2214.65 ± 106.55
Week 3	3541.22 ± 109.32	3596.57 ± 110.20	3508.52 ± 193.66
Week 4	5043.55 ± 186.79	5076.29 ± 202.33	4928.71 ± 288.58
Week 5	6344.35 ± 268.43	6342.03 ± 246.68	6284.08 ± 255.93
AFDI (g)	419.10 ± 8.72	380.53 ± 12.51	402.52 ± 8.45
ADG (g)	162.55 ± 5 0.78	162.22 ± 6.39	156.13 ± 6.98
FCR	2.52 ± 0.04a	2.47 ± 0.06b	2.42 ± 0.05b

^a,b Mean ± SE values with different superscripts in the same row differ (P < 0.05); mean ± SE values with the same superscripts or without superscripts in the same row differ (P > 0.05).