Treatments1 | P value (Prob vs. C)2 | |||||||
---|---|---|---|---|---|---|---|---|
C (n = 4) | P (n = 4) | Lp + P (n = 4) | Lr + P (n = 4) | SEM | P | Lp + P | Lr + P | |
Wheat-induced lactic acidosis | ||||||||
Ruminal pH | ||||||||
Mean | 5.25 | 4.55 | 4.76 | 4.33 | 0.15 | 0.001 | 0.02 | 0.0001 |
Minimum | 4.87 | 4.28 | 4.45 | 4.17 | 0.19 | 0.03 | 0.12 | 0.01 |
Total VFAs, mM | 93.6 | 33.9 | 76.7 | 33.5 | 14.4 | 0.01 | 0.32 | 0.001 |
Acetate3, mol % | 72.6 | 87.0 | 78.1 | 92.5 | 4.10 | 0.01 | 0.34 | 0.001 |
Propionate, mol % | 12.2 | 6.63 | 10.6 | 3.82 | 2.49 | 0.10 | 0.63 | 0.02 |
Butyrate, mol % | 12.8 | 5.79 | 10.2 | 3.52 | 1.94 | 0.01 | 0.33 | 0.001 |
Minor VFAs4, mol % | 2.33 | 0.56 | 1.11 | 0.14 | 0.40 | 0.001 | 0.02 | 0.0001 |
Lactate, mM | 33.8 | 71.1 | 64.9 | 79.6 | 9.28 | 0.005 | 0.02 | 0.001 |
NH3-N, mM | 6.53 | 3.58 | 4.25 | 2.44 | 1.16 | 0.03 | 0.09 | 0.003 |
Ethanol, mM | 6.57 | 12.4 | 17.2 | 14.4 | 1.85 | 0.02 | 0.0001 | 0.003 |
Corn-induced butyric subacute acidosis | ||||||||
Ruminal pH | ||||||||
Mean | 5.49 | 5.61 | 5.74 | 5.65 | 0.08 | 0.30 | 0.03 | 0.18 |
Minimum | 5.17 | 5.28 | 5.63 | 5.46 | 0.12 | 0.50 | 0.01 | 0.09 |
Total VFAs, mM | 107 | 85.7 | 81.6 | 94.4 | 7.79 | 0.03 | 0.01 | 0.19 |
Acetate, mol % | 63.2 | 67.4 | 68.7 | 66.9 | 1.75 | 0.08 | 0.03 | 0.13 |
Propionate, mol % | 17.0 | 14.2 | 14.5 | 15.5 | 1.09 | 0.07 | 0.19 | 0.31 |
Butyrate, mol % | 16.9 | 14.7 | 12.1 | 13.5 | 1.41 | 0.26 | 0.02 | 0.09 |
Minor VFAs, mol % | 2.88 | 3.68 | 4.29 | 4.09 | 0.44 | 0.20 | 0.02 | 0.05 |
Lactate, mM | 3.40 | 3.78 | 3.22 | 3.49 | 0.86 | 0.71 | 0.87 | 0.92 |
NH3-N, mM | 0.74 | 0.73 | 0.71 | 1.15 | 0.98 | 0.99 | 0.98 | 0.76 |
Ethanol, mM | 3.15 | 3.60 | 2.72 | 2.74 | 0.36 | 0.38 | 0.40 | 0.42 |
Beet pulp-induced propionic subacute acidosis | ||||||||
Ruminal pH | ||||||||
Mean | 5.67 | 5.94 | 5.87 | 5.93 | 0.08 | 0.02 | 0.08 | 0.02 |
Minimum | 5.55 | 5.84 | 5.72 | 5.83 | 0.11 | 0.05 | 0.27 | 0.06 |
Total VFAs, mM | 114 | 112 | 104 | 100 | 6.66 | 0.89 | 0.33 | 0.16 |
Acetate, mol % | 67.4 | 68.6 | 68.4 | 67.8 | 1.15 | 0.46 | 0.55 | 0.79 |
Propionate, mol % | 22.5 | 21.5 | 21.9 | 22.3 | 0.83 | 0.38 | 0.61 | 0.88 |
Butyrate, mol % | 8.52 | 8.40 | 8.18 | 8.34 | 0.49 | 0.86 | 0.85 | 0.77 |
Minor VFAs, mol % | 1.50 | 1.48 | 1.52 | 1.46 | 0.26 | 0.94 | 0.96 | 0.91 |
Lactate, mM | 2.71 | 2.01 | 1.52 | 2.01 | 1.46 | 0.73 | 0.56 | 0.73 |
NH3-N, mM | 0.55 | 0.51 | 0.57 | 0.57 | 0.74 | 0.97 | 0.99 | 0.98 |
Ethanol, mM | 3.34 | 3.22 | 2.64 | 2.84 | 0.48 | 0.86 | 0.31 | 0.47 |