Effect of dietary fiber and threonine content on intestinal barrier function in pigs challenged with either systemic E. coli lipopolysaccharide or enteric Salmonella Typhimurium

Table 3 Effect of fiber and threonine on volatile fatty acid concentration in digesta of pigs challenged with Salmonella Typhimurium^a

	Low fiber		High fiber		SEM^d	P-value
	STD^b Thr	SUP^c Thr	STD Thr	SUP Thr		Fiber	Thr^e	Fiber × Thr
Cecum, μmol/g
Acetate	58.31	66.29	64.41	87.33	4.71	< 0.01	< 0.01	0.089
Propionate	45.02	48.5	55.56	63.86	5.91	< 0.05	0.347	0.699
Butyrate	25.56	29.47	21.47	26.16	2.76	0.248	0.183	0.902
Total VFA⁶	128.9	144.26	141.44	177.35	9.37	< 0.05	< 0.01	0.264
Colon, μmol/g
Acetate	46.39	45.99	67.69	57.06	7.37	< 0.01	0.319	0.354
Propionate	25.65	25.35	29.01	27.4	4.18	0.473	0.798	0.860
Butyrate	13.34	15.24	18.32	18.42	2.75	0.083	0.659	0.692
Total VFA	85.38	86.65	115.02	102.87	12.93	< 0.05	0.613	0.533
Ileum, μmol/g
Acetate	13.76	14.2	14.86	12.64	3.66	0.923	0.713	0.583
Propionate	0.1	0.31	0.43	0.54	0.03	0.151	0.381	0.758
Butyrate	0.85	0.7	0.41	0.76	0.03	0.468	0.696	0.328
Total VFA	14.68	15.21	15.69	13.95	4.08	0.961	0.819	0.669

ISSN: 2049-1891