TABLE 3.
Short-chain fatty acid concentrations and molar proportions among sample periodsa
| Period | Total SCFA concn (mM) | Individual SCFA concn (mM) |
Molar proportion (%) |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Acetate | Propionate | Butyrate | iso-Butyrate | iso-Valerate | Valerate | Acetate | Propionate | Butyrate | iso-Butyrate | iso-Valerate | Valerate | ||
| Summer (n = 12) | 97.81 ± 13.6 A | 62.38 ± 8.96 A | 12.68 ± 3.46 A | 20.83 ± 7.09 A | 0.55 ± 0.32 A | 0.64 ± 0.44 A | 0.71a ± 0.29 | 63.95 ± 5.55 A | 13.02 ± 2.72 A | 21.02 ± 5.16 A | 1.29 ± 0.38 A | 0.68 ± 0.48 A | 0.75 ± 0.33 A |
| Late torpor (n = 11) | 6.57 ± 2.43 B | 5.99 ± 2.24 B | 0.34 ± 0.13 B | 0.08 ± 0.04 B | 0.06 ± 0.03 B | 0.08 ± 0.03 B | 0.00 ± 0.00 B | 92.42 ± 2.25 B | 5.08 ± 1.28 B | 0.77 ± 0.62 B | 0.87 ± 0.30 A | 0.85 ± 0.30 A | 0.00 ± 0.00 B |
| Late IBA (n = 11) | 29.83 ± 14.7 C | 24.06 ± 12.6 C | 3.62 ± 1.64 C | 1.17 ± 0.58 C | 0.38 ± 0.17 A | 0.37 ± 0.13 A | 0.22 ± 0.01 A | 79.86 ± 2.77 C | 12.09 ± 1.85 A | 4.61 ± 2.43 C | 1.29 ± 0.30 B | 1.35 ± 0.30 B | 0.79 ± 0.26 A |
| Posthibernation (n = 10) | 35.68 ± 16.5 C | 29.87 ± 14.8 C | 4.06 ± 1.70 C | 0.82 ± 0.33 C | 0.41 ± 0.10 A | 0.33 ± 0.06 A | 0.19 ± 0.05 A | 82.69 ± 2.96 C | 11.62 ± 1.83 A | 2.45 ± 0.64 C | 1.38 ± 0.57 B | 1.22 ± 0.74 B | 0.61 ± 0.26 A |
a
Values are the means ± the standard errors. Different letters indicate significant differences among sample periods.