Table 8.
Summary of serum chemistry variables measured following LPS administration (0.25 µg/kg body weight) in cattle supplemented with methionine at 0 (L0), 2.2 (L1), or 4.4 (L2) g/steer/d for 40 d
| Treatment | P-value | ||||||
|---|---|---|---|---|---|---|---|
| Variable, unit | L0 | L1 | L2 | SEM | Treatment | Time | Interaction |
| Albumin, g/dL | 2.29b | 2.47a | 2.46a | 0.05 | 0.04 | <0.01 | <0.01 |
| Alkaline phosphatase, U/L | 179.38 | 165.65 | 153.48 | 9.10 | 0.14 | <0.01 | <0.01 |
| Alanine Aminotransferase, U/L | 22.37 | 21.29 | 21.94 | 1.22 | 0.81 | <0.01 | 0.28 |
| Amylase, U/L | 49.78 | 56.75 | 55.26 | 6.72 | 0.74 | <0.01 | 0.60 |
| Total Bilirubin, mg/dL | 0.29 | 0.30 | 0.29 | 0.00 | 0.43 | <0.01 | 0.01 |
| Blood urea nitrogen, mg/dL | 10.05 | 9.92 | 9.85 | 0.52 | 0.96 | <0.01 | 0.15 |
| Calcium, mg/dL | 9.76b | 10.15a | 10.16a | 0.10 | 0.01 | <0.01 | 0.09 |
| Phosphorus, mg/dL | 6.64 | 6.92 | 6.94 | 0.17 | 0.37 | <0.01 | 0.12 |
| Creatinine, mg/dL | 0.93 | 0.90 | 0.91 | 0.03 | 0.86 | <0.01 | 0.13 |
| Glucose, mg/dL | 88.14 | 92.05 | 90.88 | 1.29 | 0.10 | <0.01 | 0.20 |
| Sodium, mmol/L | 139.91 | 140.79 | 141.06 | 0.45 | 0.18 | <0.01 | <0.01 |
| Potassium, mmol/L | 4.39 | 4.41 | 4.44 | 0.05 | 0.78 | <0.01 | 0.01 |
| Total protein, g/dL | 7.27 | 7.27 | 7.41 | 0.10 | 0.50 | <0.01 | <0.01 |
| Globulin, g/dL | 4.98 | 4.78 | 4.95 | 0.11 | 0.36 | <0.01 | 0.02 |
a,bMeans within rows lacking common superscripts differ P ≤ 0.05