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Table 7 Effects of 3 experimental diets on plasma metabolites in cows

From: Effects of the dietary nonfiber carbohydrate content on lactation performance, rumen fermentation, and nitrogen utilization in mid-lactation dairy cows receiving corn stover

Items Treatmentd SEM P-value
AH L-NFC H-NFC
Total protein, g/L 80.0 78.8 80.4 1.36 0.07
Albumin, g/L 26.5 26.8 26.6 0.40 0.16
Blood urea nitrogen, mmol/L 5.92b 6.44a 5.61c 0.28 < 0.01
Glucose, mmol/L 2.48 2.49 2.44 0.05 0.21
Cholesterol, mmol/L 5.73 5.62 5.67 0.12 0.30
Non-esterified fatty acids, μmol/L 202 204 206 6.81 0.87
β-Hydroxybutyric acid, μmol/L 467 511 470 30.3 0.19
  1. a-cLeast squares means within a row with different superscripts differ (P < 0.05)
  2. dAH = Total mixed rations containing alfalfa hay; L-NFC = Total mixed rations containing corn stover with a low content of non-fiber carbohydrates; H-NFC = Total mixed rations containing corn stover formulated to have similar non-fiber carbohydrate concentrations as the AH diet