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Table 5 Short-chain fatty acid concentrations in colonic contents of pregnant Huanjiang mini-pigs (mg/g)

From: Dietary proline supplementation alters colonic luminal microbiota and bacterial metabolite composition between days 45 and 70 of pregnancy in Huanjiang mini-pigs

Item Control group Proline group SEM P-values
45 d 70 d 45 d 70 d Diet Day Diet × Day
Proximal colonic contents
 Acetate 16.72 34.24 14.70 22.76 1.07 0.02 < 0.01 0.099
 Propionate 5.95 12.56 6.36 9.44 0.71 0.28 < 0.01 0.16
 Isobutyrate 0.23 0.92 0.28 0.71 0.19 0.41 < 0.01 0.17
 Butyrate 3.64 6.69 3.68 4.18 0.51 0.06 0.010 0.05
 Isovalerate 0.19 0.70 0.21 0.50 0.16 0.15 < 0.01 0.09
 Valerate 0.43 1.43 0.44 1.16 0.24 0.35 < 0.01 0.34
 Total BCFA 0.42 1.61 0.49 1.21 0.25 0.28 < 0.01 0.13
 Total straight-chain fatty acids 26.75 54.92 25.18 37.54 1.27 0.02 < 0.01 0.06
 Total SCFA 27.17 56.53 25.67 38.74 1.29 0.03 < 0.01 0.05
Distal colonic contents
 Acetate 10.48 9.07 10.38 10.02 0.60 0.60 0.28 0.52
 Propionate 4.01 3.81 4.00 4.60 0.38 0.24 0.54 0.24
 Isobutyrate 0.36 0.49 0.34 0.48 0.13 0.78 0.01 0.92
 Butyrate 2.94 2.95 2.93 2.71 0.38 0.71 0.75 0.73
 Isovalerate 0.33 0.39 0.31 0.34 0.13 0.34 0.25 0.62
 Valerate 0.48 0.50 0.41 0.51 0.14 0.57 0.17 0.39
 Total BCFA 0.69 0.88 0.66 0.82 0.18 0.53 0.03 0.84
 Total straight-chain fatty acids 17.90 16.33 17.72 17.85 0.76 0.61 0.59 0.52
 Total SCFA 18.59 17.21 18.38 18.67 0.77 0.64 0.69 0.54