Table 1 Maternal body weight and the concentrations of short-chain fatty acids in the intestinal contents in different gestation stages

Maternal body weight (kg)

51.1 ± 3.42^c

58.0 ± 2.02^b

72.4 ± 3.66^a

Jejunum

Acetate (mg/g)

0.60 ± 0.13^a

0.43 ± 0.08^b

0.53 ± 0.12^ab

Butyrate (mg/g)

0.14 ± 0.01

0.17 ± 0.04

0.14 ± 0.04

Ileum

Acetate (mg/g)

0.77 ± 0.15^b

0.79 ± 0.10^b

1.35 ± 0.42^a

Butyrate (mg/g)

0.21 ± 0.06^a

0.10 ± 0.01^b

0.14 ± 0.02^b

Colon

Acetate (mg/g)

3.25 ± 0.85^a

3.01 ± 0.85^a

1.58 ± 0.41^b

Butyrate (mg/g)

0.70 ± 0.36

0.60 ± 0.20

0.55 ± 0.24

Propionate (mg/g)

1.36 ± 0.33

1.35 ± 0.53

0.96 ± 0.59

Valerate (mg/g)

0.11 ± 0.03

0.13 ± 0.03

0.10 ± 0.03

Iso-butyrate (mg/g)

0.10 ± 0.03

0.10 ± 0.02

0.09 ± 0.01

Iso-valerate (mg/g)

0.10 ± 0.06

0.11 ± 0.04

0.09 ± 0.02