TABLE 7.
Effects of detoxified and regular lipopolysaccharide on ammonia nitrogen, VFA, and lactate concentrations in Megasphaera elsdenii T81 and Streptococcus bovis JB1 with defined media
| Bacterium and parameter | Value with treatmenta |
SEM | P value | ||
|---|---|---|---|---|---|
| Control | D-LPS | R-LPS | |||
| Megasphaera elsdenii T81 | |||||
| NH3-N | 5.82 | 5.75 | 5.48 | 0.29 | 0.63 |
| Acetate | 12.5 | 13.3 | 12.2 | 1.46 | 0.83 |
| Butyrate | 7.87 | 8.98 | 7.67 | 0.88 | 0.56 |
| Valerate | 2.37 | 2.24 | 2.35 | 0.19 | 0.84 |
| d-Lactate | 0.12 | 0.14 | 0.13 | 0.01 | 0.55 |
| l-Lactate | 0.06 | 0.06 | 0.05 | 0.01 | 0.53 |
| dl-Lactate | 0.18 | 0.20 | 0.18 | 0.02 | 0.55 |
| Streptococcus bovis JB1 | |||||
| NH3-N | 2.75 | 2.54 | 2.48 | 0.11 | 0.13 |
| Acetate | 44.8 | 47.2 | 46.7 | 4.83 | 0.41 |
| Valerate | 1.32 | 1.25 | 1.34 | 0.15 | 0.41 |
| d-Lactate | 0.00 | 0.01 | 0.01 | 0.01 | 0.57 |
| l-Lactate | 8.80 | 8.72 | 8.74 | 0.08 | 0.75 |
| dl-Lactate | 8.82 | 8.74 | 8.76 | 0.08 | 0.79 |
a
Control, control group (LPS-free anaerobic water); D-LPS, detoxified LPS (200,000 EU); R-LPS, regular LPS (200,000 EU). Lactate cconcentrations are millimolar.