Table 6 Effect of supplementing selenium (Se) and linseed (LO) to the chicken feed on product/precursor ratios between fatty acids; indices for Delta-9 desaturase ( D-9d ), Delta-6 desaturase ( D-6d ), Delta-5 desaturase ( D-5d ), Elongase and combined effects of desaturases and elongases ( Comb DE )

0.10

0.11

0.169

0.10

0.11

0.041

0.09

0.12

0.017

2.07

2.28

0.103

2.14

2.20

0.637

2.05

2.33

0.108

0.006

0.006

0.747

0.006

0.005

<0.001

0.007

0.005

0.008

6.00

6.09

0.883

8.15

4.06

<0.001

8.08

4.09

<0.001

10.52

9.38

0.320

6.89

12.86

<0.001

7.08

11.89

<0.001

0.06

0.05

0.086

0.04

0.07

<0.001

0.05

0.06

<0.001

0.32

0.28

0.087

0.34

0.26

<0.001

0.36

0.25

<0.001

2.88

2.78

0.768

4.10

1.64

<0.001

4.16

1.60

<0.001

0.47

0.40

0.212

0.33

0.54

<0.001

0.36

0.50

0.042

1.23

1.01

0.181

1.36

0.90

0.003

1.49

0.81

0.005

1.03

0.83

0.256

1.32

0.57

<0.001

1.43

0.48

<0.001

2.55

2.27

0.499

3.90

1.03

<0.001

4.08

0.93

<0.001

0.81

0.75

0.275

0.95

0.62

<0.001

0.97

0.59

<0.001

2.73

2.24

0.175

3.01

2.01

0.004

3.27

1.79

0.003