Table 6 The fatty acid composition in the hepatic vein plasma of the dairy cows

C12:0

3.57

4.04

0.20

0.26

C13:0

5.92

6.99

0.50

0.32

C14:0

66.06

74.32

13.66

0.79

C14:1

6.47

4.39^c

0.57

0.06

C15:0

8.81

6.43

0.84

0.17

C15:1

1.39

1.25

0.09

0.49

C16:0

92.47

71.10^a

5.14

<0.05

cis9C16:1

5.32

2.84^c

0.64

0.05

C18:0

121.33

85.5^a

8.81

<0.05

trans11C18:1n

2.92

2.93

0.09

0.96

C18:1n-9

62.24

40.28^a

5.69

<0.05

C18:2n-6

277.99

71.13^a

38.72

<0.05

C20:0

0.89

1.02^a

0.03

<0.05

C20:1

0.45

0.61^c

0.05

0.10

C18:3n-3

25.86

6.6^b

3.74

<0.01

cis9, trans11C18:2n

4.56

4.57

0.07

0.98

C21:0

1.27

1.00

0.19

0.51

C22:0

0.97

1.31^a

0.08

<0.05

C20:3n-6

27.01

10.80^c

4.41

0.07

C22:1n-9

1.24

1.57^a

0.08

<0.05

C20:4n-6

33.46

16.13^b

3.84

<0.01

C22:6n-3

10.57

6.20^ab

0.83

<0.001

Desaturation index

cis9 C16:1/C16:0

0.05

0.04^c

0.01

0.09

cis9 C18:1/C18:0

0.51

0.47

0.02

0.37

cis9,trans11 C18:2/tran11 C18:1

1.66

1.55

0.06

0.37