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Table 8 Least square means for the fatty acid (FA) composition (% of total FA) of omental adipose tissue in goats fed graded levels of blend of 80 % canola oil and 20 % palm oil

From: Carcass traits, meat yield and fatty acid composition of adipose tissues and Supraspinatus muscle in goats fed blend of canola oil and palm oil

 

Levels of BCPOd (%)

 

P value

Parameter

0

4

8

SEM

Overall

Linear

quadratic

C14:0, myristic

5.55a

4.18b

4.04b

0.30

0.003

0.001

0.757

C16:0, palmitic

26.67

21.87

24.57

1.92

0.232

0.158

0.331

C16:1n-7, palmitoleic

2.94a

2.25b

2.01c

0.12

<.0001

<.0001

0.176

C18:0, stearic

31.24

35.41

32.42

1.86

0.092

0.142

0.096

C18:1n-9, oleic

24.99b

29.67a

31.07a

2.85

0.006

0.037

0.730

C18:1 trans-11 Vaccenic

4.77a

0.78b

0.61b

0.79

0.001

0.0004

0.882

CLA cis-9 trans-11

0.96b

1.29a

1.29a

0.07

0.004

0.001

0.940

CLA trans-10 cis-12

0.29

0.31

0.39

0.04

0.197

0.200

0.198

C18:2n-6, linoleic

3.14

3.40

3.96

0.42

0.387

0.306

0.357

C18:3n-3, linolenic

0.17

0.25

0.18

0.02

0.055

0.189

0.039

C20:4n-6, arachidonic

0.11

0.10

0.11

0.01

0.560

0.418

0.483

C20:5n-3, eicosapentaenoic

0.08c

0.16b

0.56c

0.08

0.001

0.008

0.002

C22:5n-3, docosapentaenoic

0.20

0.29

0.40

0.13

0.574

0.383

0.561

C22:6n-3, docosahexaenoic

0.15

0.08

0.09

0.05

0.463

0.223

0.894

Total FA (mg/g of fat)

651.60

610.23

697.51

117.30

0.871

0.987

0.604

FA ratios and sums

∑SFA

63.46

61.46

61.02

2.68

0.792

0.669

0.601

∑MUFA

31.45

32.69

33.69

2.83

0.959

0.887

0.806

∑PUFA

5.09a

5.86b

6.96c

0.51

0.018

0.048

0.145

∑n-3

0.60

0.78

1.22

0.19

0.096

0.112

0.128

∑n-6

3.24

3.49

4.07

0.42

0.397

0.324

0.350

n-6:n-3

9.85a

6.26b

3.90c

1.74

0.047

0.036

0.350

UFA:SFA

0.58

0.62

0.66

0.05

0.665

0.448

0.632

PUFA:SFA

0.08

0.10

0.11

0.01

0.102

0.127

0.124

Elongase and desaturase indices

ID16

9.90

9.30

7.56

1.34

0.116

0.671

0.094

ID18

44.44

45.59

48.95

2.16

0.324

0.567

0.713

Elongation index (EI)

65.50

72.96

70.49

3.01

0.772

0.712

0.546

  1. a,b,cmeans having different superscript along the a row are significantly different (P < 0.05). ∑SFA = (C14:0 + C16:0 + C18:0), ∑MUFA = (C16:1+ C18:1+ C18:1 trans-11), ∑UFA = (C16:1+ C18:1+ C18:1 trans-11+ CLA cis-9 trans-11+ CLA cis-12 trans-10 + ∑n-3 + ∑n-6), ∑PUFA = (C18:1 trans-11+ CLA cis-9 trans-11+ CLA cis-12 trans-10 + ∑n-3 + ∑n-6), ∑n-3 = (C18:3n-3 + C20:5n-3 + C22:5n-3 + C22:6n-3), ∑n-6 = (C18:2n-6 + C20:4n-6) n-6:n-3 = (C18:2n-6 + C20:4n-6) ÷ (C18:3n-3 + C20:5n-3 + C22:5n-3 + C22:6n-3), UFA:SFA = (∑UFA)/∑SFA), PUFA:SFA = (∑PUFA/∑SFA). ID16, (Δ 9 desaturase enzyme activity on C16:0) = 100(C16:1)/(C16:0 + C16:1), ID18, (Δ 9 desaturase enzyme activity on C18:0) = 100(C18:1)/C18:0 + C18:1). EI = 100[(C18:0 + C18:1 n-9)/(C18:0 + C18:1n-9 + C16:0 + C16:1)] SEM = standard error of means. Values are least square means for 8 goats per diet. dblend of 80 % canola oil and 20 % palm oil