Table 7.
Effect of gastric infusion of SCFA on the ileal, caecal, and colonic Escherichia coli, Lactobacillus spp, Bifidobacterium spp, and Bacillus spp in weaned piglets (log copies/g)
| Items | Control | S1 | S2 | SEM | P value |
|---|---|---|---|---|---|
| Ileum | |||||
| Total bacteria | 10.550a | 10.103ab | 9.962b | 0.137 | 0.031 |
| Bacillus spp | 8.487 | 8.495 | 8.480 | 0.168 | 0.999 |
| Lactobacillus spp | 7.043b | 7.784a | 8.231a | 0.185 | 0.004 |
| Escherichia coli | 9.957a | 8.780b | 8.713b | 0.277 | 0.016 |
| Bifidobacterium spp | 7.686 | 7.939 | 8.202 | 0.242 | 0.354 |
| Cecum | |||||
| Total bacteria | 11.672a | 11.451ab | 11.336b | 0.063 | 0.011 |
| Bacillus spp | 9.400 | 9.332 | 9.274 | 0.186 | 0.894 |
| Lactobacillus spp | 8.037b | 8.506ab | 8.900a | 0.160 | 0.011 |
| Escherichia coli | 10.182 | 8.922 | 9.203 | 0.344 | 0.063 |
| Bifidobacterium spp | 7.940 | 8.163 | 8.241 | 0.206 | 0.579 |
| Colon | |||||
| Total bacteria | 11.473 | 11.444 | 11.372 | 0.152 | 0.888 |
| Bacillus spp | 9.568 | 9.362 | 9.332 | 0.090 | 0.182 |
| Lactobacillus spp | 8.651 | 9.065 | 8.899 | 0.164 | 0.244 |
| Escherichia coli | 10.009a | 9.103ab | 8.952b | 0.262 | 0.036 |
| Bifidobacterium spp | 7.643 | 7.844 | 7.886 | 0.101 | 0.241 |
S1, pigs treated with SCFA (acetic, propionic, and butyric acids; 20.04, 7.71, and 4.89 mM respectively); S2, pigs treated with SCFA (acetic, propionic, and butyric acids; 40.08, 15.41, and 9.78 mM respectively)
a, bWithin a row, means without a common superscript differ (P < 0.05)