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Table 1 Least squared mean concentration and SEM of milk FA in cows with BHBA plasma concentrations ≤ 0,7 mmol/L (n = 26) and > 0,7 mmol/L (n = 24)a

From: The association between serum ß-hydroxybutyrate and milk fatty acid profile with special emphasis on conjugated linoleic acid in postpartum Holstein cows

Fatty acid (%)

BHB ≤ 0,7 mmol/L

BHB > 0,7 mmol/L

SEM

p-value

4:0

2.43

2.35

0.1

0.63

6:0

1.75

1.13

0.1

0.0007

8:0

1.77

0.77

0.32

0.0001

10:0

0.95

0.4

0.35

0.0001

12:0

2.09

1.29

0.13

0.001

14:0

6.23

7.87

0.32

0.003

14:1

0.3

0.21

0.04

0.66

15:0

0.78

0.63

0.03

0.01

16:0

28.68

28.67

0.5

0.92

16:1

1.12

1.68

0.08

0.0001

17:0

0.82

0.96

0.03

0.0008

18:0

17.96

18.25

0.56

0.42

18:1 (all isomers)

30.69

32.67

0.43

0.04

18:2 (all isomers CLA)

0.4

0.33

0.03

0.048

18:2 (all isomers no CLA)

0.52

0.43

0.04

0.28

20:0

0.51

0.47

0.03

0.43

  1. aAll models included the effect of parity (primiparous, multiparous) and farm (1, 2, and 3); consequently reported least squared means for all fatty acids are adjusted for these two variables. For all FA, the interaction between group and parity was not significant