Table 6.

Effects of wheat bran supplementation on SCFA concentrations in cecum of broilers (mg/g of digesta).

Item	CON	AGP	WB	SEM	P-value
Day 21
Acetic acid	7.91	7.79	8.40	0.30	0.34
Propionic acid	1.17	1.18	1.32	0.10	0.50
Butyric acid	2.36	2.53	3.05	0.20	0.06
Isobutyric acid	0.03	0.04	0.04	0.01	0.46
Valeric acid	0.19	0.29	0.24	0.05	0.33
Isovaleric acid	0.04	0.05	0.05	0.01	0.83
Total SCFA	11.70b	11.86a,b	13.10a	0.37	0.03
Day 42
Acetic acid	10.35	10.83	12.03	0.65	0.20
Propionic acid	2.39	2.53	3.34	0.37	0.17
Butyric acid	5.18b	5.46a,b	6.33a	0.27	0.02
Isobutyric acid	0.08	0.07	0.09	0.01	0.43
Valeric acid	0.41	0.44	0.51	0.04	0.16
Isovaleric acid	0.10	0.08	0.08	0.02	0.45
Total SCFA	18.50b	19.41a,b	22.39a	0.83	0.01

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

Abbreviations: AGP, CON + 75 mg/kg chlortetracycline (antibiotic growth promoter); CON, antibiotic-free control diet; SCFA, short chain fatty acids; WB, CON + 3% wheat bran.

Values are means, n = 7 per treatment.