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Table 1 Mean plasma metabolites and hormones concentrations in calves over the final 6 hours of a five day intravenous infusion of saline (control); glucose; essential amino acids (EAA) and glucose + EAA.

From: Effect of prolonged intravenous glucose and essential amino acid infusion on nitrogen balance, muscle protein degradation and ubiquitin-conjugating enzyme gene expression in calves

  Control Glucose EAA EAA+Glucose
Glucose mmol/L 4.1a ± 0.20 5.5bc ± 0.17 4.4ac ± 0.14 5.3c ± 0.20
Insulin ng/ml 0.6a ± 0.03 1.1b ± 0.10 0.6a ± 0.05 0.9a ± 0.10
IGF – 1 ng/ml 38.8a ± 5.5 67.2c ± 6.03 47.4ac ± 3.93 80.0b ± 6.55
GH ng/ml 5.4a ± 0.81 5.8a ± 0.50 4.7a ± 0.50 5.3a ± 0.34
  1. Values are averages of 6 blood samples taken at hourly intervals except for GH where samples were collected every 15 min during the last 6 hours of the infusion. Values are means ± standard error of the mean (SEM). a,b,c Values within the same row with different superscripts are significantly different (P < 0.05)