Table 2. Short-chain fatty acid (SCFA) concentration (mg g⁻¹ wet content) of the ascending colon contents of rotavirus (RV)-infected and non-infected piglets at day 15.

SCFA (mg g−1 wet content)	Non-infected			RV-infected			P-value
	FF	HMO	PRE	FF	HMO	PRE	Diet	Infection	Diet × infection
Acetate	1.71±0.37	1.84±0.38	2.2±0.36	1.74±0.3	1.94±0.41	1.94±0.23	0.91	0.39	0.83
Propionate	0.26±0.05	0.36±0.09	0.45±0.08	0.44±0.06	0.57±0.13	0.53±0.07	0.39	0.0045	0.64
Butyrate	0.29±0.07	0.26±0.07	0.45±0.12	0.27±0.04	0.28±0.06	0.33±0.04	0.30	0.88	0.56
Total SCFAa	2.26±0.48	2.46±0.52	3.24±0.6	2.46±0.38	2.79±0.57	2.8±0.29	0.73	0.37	0.63
Isobutyrate	0.04±0.01	0.03±0.01	0.04±0.01	0.04±0.01	0.05±0.02	0.04±0.01	0.51	0.06	0.45
Isovalerate	0.06±0.01	0.05±0.01	0.08±0.02	0.05±0.01	0.08±0.02	0.07±0.01	0.39	0.10	0.51
Valerate	0.05±0.01	0.05±0.01	0.06±0.01	0.05±0.02	0.07±0.02	0.06±0.01	0.63	0.07	0.46
Total BCFAb	0.09±0.01	0.08±0.01	0.12±0.03	0.09±0.01	0.13±0.04	0.11±0.02	0.49	0.07	0.48

Abbreviations: BCFA, branch-chained fatty acid; FF, formula fed; HMO, formula supplemented with 4 g l⁻¹ human milk oligosaccharides; PRE, formula supplemented with 4 g l⁻¹ short-chain galactooligosaccharides and long-chain fructooligosaccharides (9:1).

Values are mean±s.e.m. (n=7–13 per group).

^aTotal SCFA=acetate+propionate+butyrate.

^bTotal BCFA=isobutyrate+isovalerate.