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Table 6 Linear regression parameters for the relationship of concentration of free carnitine in liver biopsy samples (nmol/g wet weight) as predictor variable with different metabolic parameters of dairy cows in the transition period and at different stages of lactation as response variables

From: Expression of genes involved in hepatic carnitine synthesis and uptake in dairy cows in the transition period and at different stages of lactation

Response variable   3 wk prepartum 1 wk postpartum 5 wk postpartum 14 wk postpartum
Plasma NEFA (μmol/L) Intercept 152.7 285.7 115.7 81.4
  Slope -1.17 10.2 5.86 4.66
  R2 0.29 0.64 0.38 0.26
  P-value 0.015 < 0.001 0.008 0.035
Liver triglyceride (mg/g wet weight) Intercept 3.07 30.5 44.1 3.81
  Slope 0.04 -0.14 0.65 -0.05
  R2 0.15 0.09 0.01 0.09
  P-value 0.112 0.291 0.673 0.305
Plasma BHBA (μmol/L) Intercept 562.8 605.3 603.7 503.3
  Slope -1.84 1.43 4.56 0.60
  R2 0.13 0.02 0.03 0.00
  P-value 0.113 0.621 0.505 0.907