Table 4.
Fatty acid | C | CF | FGCE | FβCD-CGAs | CB | BGCE | BβCD-CGAs | SEM | P |
---|---|---|---|---|---|---|---|---|---|
Acetic acid | 32.4 | 38.2 | 41.0 | 43.4 | 38.8 | 45.7 | 46.6 | 1.973 | 0.003 |
Propionic acid | 12.5 | 7.1 | 14.8 | 17.2 | 12.0 | 16.5 | 19.7 | 0.510 | 0.009 |
Iso-butyric acid | 4.0c,d | 3.9c | 3.1b | 3.0b | 4.2d | 2.8a | 2.8a | 0.127 | 0.043 |
Butyric acid | 3.5 | 2.1 | 4.7 | 5.0 | 3.2 | 5.3a | 5.4a | 0.218 | 0.003 |
Iso-valeric acid | 2.3c | 2.6 | 2.1c | 1.5a | 1.7b | 1.4a,b | 1.2 | 0.090 | 0.034 |
Valeric acid | 1.9 | 2.1 | 1.2 | 0.8a | 0.8a | 0.6a | 0.5a | 0.047 | 0.001 |
PSCFA | 8.2 | 8.6 | 6.4 | 5.3 | 6.7 | 4.8 | 4.5 | 0.211 | 0.306 |
SCFA Total | 56.6 | 56.0 | 66.9 | 70.9 | 60.7 | 72.3 | 76.2 | 2.635 | 0.004 |
SEM Summed standard error, n = 56; PSCFA Putrefactive volatile fatty acids (sum of iso-butyric, iso-valeric and valeric acids); μmol/g of cecum content; the same letter in one line means no significant differences (P > 0.05); for abbreviations of diets see the descriptions under Table 2