. 2021 Aug 26;11(9):2514. doi: 10.3390/ani11092514

Table 3.

Influence of Clostridium butyricum and aureomycin supplementation on short-chain fatty acids concentrations of Pekin ducks ¹ (μg/g).

Items	Group Con	Group CB200	Group CB400	Group CB600	Group A150	SEM ²	p Value
21 day
Acetate	526.61	517.34	540.61	527.64	504.90	4.60	0.136
Propionate	283.37 ^a	270.80 ^ac	245.50 ^bc	251.82 ^bc	211.23 ^d	7.54	0.004
Iso-butyrate	122.81	128.40	137.27	128.32	126.84	1.67	0.056
Butyrate	1360.59 ^d	1513.37 ^c	1560.94 ^a	1556.94 ^ab	1539.56 ^ab	20.23	<0.001
Iso-valerate	42.74 ^c	51.38 ^a	49.65 ^ab	45.98 ^bc	46.14 ^bc	0.95	0.006
Valerate	62.60	60.18	61.08	57.48	58.97	1.01	0.619
42 day
Acetate	647.54 ^b	617.41 ^b	780.75 ^a	777.65 ^a	681.57 ^b	21.21	0.037
Propionate	283.38 ^ab	297.46 ^ab	352.17 ^a	255.15 ^ab	218.89 ^b	4.72	0.022
Iso-butyrate	124.48 ^c	145.06 ^ab	157.50 ^ab	165.00 ^a	144.84 ^b	4.40	0.011
Butyrate	1773.96 ^bc	1909.93 ^ab	2070.21 ^a	2000.27 ^a	1736.23 ^bc	39.73	0.006
Iso-valerate	48.74 ^b	74.71 ^a	87.98 ^a	89.31 ^a	89.41 ^a	5.21	0.024
Valerate	85.93	126.84	124.41	137.48	112.30	6.96	0.152

¹ Means with different superscript letters indicate that there are significant differences (p < 0.05) between any two groups in the same row, Group Con: the control group, Group A150: the aureomycin group. ² Total SEM (N = 10).