. 2022 Nov 17;12:19749. doi: 10.1038/s41598-022-23811-8

Table 4.

Effects of total dietary fiber levels and soluble, insoluble dietary fiber ratio on short-chain fatty acid in feces of sows.

Treatment	HH	HL	LH	LL	SEM	P- value
Total DF, %	20	20	14	14		Fiber	Ratio	Fiber × ratio
SF:ISF	1:4	1:6	1:4	1:6		Fiber	Ratio	Fiber × ratio
SCFA, µmol/g
Acetate	68.54^a	65.16^ab	66.58^ab	62.35^b	1.817	0.198	0.043	0.818
Propionate	15.41^a	13.75^b	15.14^a	13.51^b	0.329	0.442	0.001	0.953
Butyrate	8.34^a	7.51^b	8.07^a	7.37^b	0.339	0.551	0.029	0.852
Isobutyrate	3.35	3.28	3.27	3.29	0.124	0.794	0.825	0.700
Valerate	3.07	2.97	3.12	3.03	0.064	0.401	0.152	0.973
Isovalerate	5.14^a	4.77^b	5.15^a	4.75^b	0.125	0.966	0.004	0.903
Total SCFA	105.47^a	99.93^b	102.81^a	95.92^b	2.200	0.138	0.008	0.760

SEM standard error of means, SCFA short-chain fatty acid, DF dietary fiber, SF soluble fiber, ISF insoluble fiber.

^a,bMeans with different superscripts within rows are significantly different at (P < 0.05).