Table 6 Composition of selected² fatty acids of piglets’ plasma (%)

Day of age

4

16

28

4

16

28

4

16

28

SFA

34.6

39.2

36.4

36.3

36.6

35.3

35.1

37.8

35.8

< 0.001

< 0.001

C14:0

0.65

0.73

0.84

0.80

0.88

0.99

0.81

0.88

0.99

0.31

0.58

C16:0

20.0

25.3

24.3

21.8

23.3

23.9

21.6

25.4

24.2

0.002

< 0.001

C18:0

13.2^d

12.4

10.8^b

12.4^c

11.7^c

10.0^a

11.8^c

11.1^b

9.47^a

0.03

0.78

MUFA

24.3^c

17.0^a

15.3^a

27.2^c

19.8^b

18.2^b

29.5^c

22.1^b

20.5^b

0.04

0.58

C16:1n-7

2.34

3.40

3.23

2.65

3.71

3.54

2.36

3.42

3.26

0.42

0.08

C16:1n-9

0.57

0.25

0.29

0.60

0.28

0.33

0.61

0.29

0.33

0.79

0.53

C18:1n-9

18.6bcd

11.2^a

10.1^a

20.7 ^cd

13.3^ab

12.3^ab

23.2^d

15.9^abc

14.8^abc

0.02

0.29

C18:1n-7

2.45

1.74

1.44

2.67

1.95

1.65

2.74

2.02

1.72

0.16

0.93

PUFA

39.4^a

44.2^b

47.8^c

37.5^a

42.3^b

45.9^c

34.8^a

39.6^b

43.2^c

0.03

0.82

C18:2n-6

29.2

33.7

34.4

27.4

31.9

32.7

26.6

31.1

31.8

0.38

0.54

C18:3n-6

0.42

0.52

0.72

0.70

1.63

0.26

1.15

0.36

2.34

0.07

0.03

C18:3n-3

1.76

2.01

2.71

1.42

1.81

1.90

0.90

0.99

1.14

< 0.001

< 0.001

C20:3n-6

0.57^c

0.56^c

0.55^c

0.47^b

0.47^b

0.45^b

0.28^a

0.27^a

0.26^a

< 0.001

0.26

C20:4n-6

5.03

4.88

6.15

5.15

5.00

6.28

4.58

4.43

5.71

0.35

0.92

C20:5n-3

0.28^c

0.28^c

0.45^c

0.16^b

0.16^b

0.34^c

0.00^a

0.004^a

0.17^b

< 0.001

0.26

C22:1n-9

0.40

0.38

0.25

0.53

0.50

0.37

0.52

0.49

0.37

0.70

0.12

C22:5n-3

0.84^b

0.92^b

1.26^b

0.78^b

0.86^b

1.20^b

0.49^a

0.56^a

0.91^a

< 0.001

0.79

C22:6n-3

0.80

0.93

1.32

0.87

1.00

1.40

0.57

0.70

1.10

0.08

0.82

n-6

35.6

39.9

42.3

34.2

38.6

41.0

33.0

37.4

39.8

0.23

0.69

n-3

3.84 ^cd

4.27 ^cd

5.46^e

3.30^bc

3.73^c

4.93^de

1.83^a

2.26^ab

3.45^c

< 0.001

0.15

n-6/n-3

9.64^ab

9.30^ab

7.42^a

10.6^abc

10.2^ab

8.34^a

17.7^d

17.4 ^cd

15.5^bcd

< 0.001

0.10