Table 7.

Volatile fatty acid of cecal contents in piglets at 21 days of age as affected by dietary AGP and MOA supplementation¹, mg/kg

Items1	Ctrl	AGP	MOA	SEM	P-value
Day 11
Lactic acid	0.05	0.30	0.16	0.06	0.10
Acetic acid	2.39	2.13	1.53	0.22	0.11
Propionic acid	1.62b	2.31ab	2.76a	0.17	0.02
Isobutyric acid	0.10	0.11	0.13	0.02	0.64
Butyric acid	1.31b	1.62b	2.61a	0.18	0.01
Isovaleric acid	0.09	0.09	0.13	0.03	0.47
Valeric acid	0.17	0.17	0.13	0.04	0.65
Total volatile fatty acid	5.74	6.73	7.44	0.48	0.15
Day 21
Lactic acid	0.31	0.54	0.47	0.13	0.50
Acetic acid	3.69	3.20	3.94	0.30	0.32
Propionic acid	2.00b	1.55b	2.66a	0.13	0.01
Isobutyric acid	0.25a	0.03b	0.04b	0.01	0.01
Butyric acid	1.39	1.42	1.90	0.16	0.15
Isovaleric acid	0.21a	0.13b	0.13b	0.01	0.02
Valeric acid	0.38	0.23	0.22	0.07	0.28
Total volatile fatty acid	8.24ab	7.10b	9.36a	0.30	0.02

^a,bMeans in the same row with different superscripts are significantly different (P < 0.05)

¹Control (Ctrl): a corn soybean meal-based diet. AGP: Ctrl + 75 mg/kg chlortetracycline. MOA: Ctrl + 1500 mg/kg MOA. n = 4