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Plasma levels of metabolites and minerals in suckling and weaned calves

 
Item Suckling calves Weaned calves
Glucose, mg/dL 98.2 ± 7.3 83.6 ± 1.3
Total cholesterol, mg/dL 104.2 ± 14.2 78.3 ± 4.8
Triglyceride, mg/dL 17.8 ± 3.3 12.6 ± 1.3
Phospholipid, mg/dL 128.5 ± 16.0 95.3 ± 5.0†
NEFA, mEq/L 0.285 ± 0.04 0.360 ± 0.05
Acetoacetate, μmol/L 3.00 ± 0.37 7.86 ± 1.91*
Beta-hydroxybutyrate, μmol/L 106.0 ± 21.7 303.0 ± 54.5**
Total ketone bodies, μmol/L 109.0 ± 21.9 310.9 ± 56.3**
Albumin, g/dL 3.70 ± 0.12 3.93 ± 0.06
Total protein, g/dL 6.28 ± 0.25 6.81 ± 0.11†
BUN,1 mg/dL 7.32 ± 0.79 8.20 ± 1.10
Creatinine, mg/dL 1.02 ± 0.04 0.94 ± 0.05
Na, mEq/L 142.8 ± 1.0 143.0 ± 0.7
K, mEq/L 4.63 ± 0.14 4.54 ± 0.14
Ca, mg/dL 10.07 ± 0.29 9.80 ± 0.14
Mg, mg/dL 1.85 ± 0.11 2.04 ± 0.06
Cl, mEq/L 100.8 ± 0.6 102.9 ± 0.9†
iP,2 mg/dL 8.15 ± 0.53 6.77 ± 0.35*
1BUN = blood urea nitrogen.
2iP = inorganic phosphorus.
P < 0.1; *P < 0.05; **P < 0.01; suckling vs. weaned.