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Table 1 Total lipids and fatty acid composition of subcutaneous adipose tissue from Alentejana and Barrosã breeds fed either high or low silage-based diets 1-3

From: Expression of genes controlling fat deposition in two genetically diverse beef cattle breeds fed high or low silage diets

 

Alentejana

Barrosã

P

 

HS

LS

HS

LS

Breed

Diet

Breed × Diet

 

Mean

SE

Mean

SE

Mean

SE

Mean

SE

   

Total lipids

58.44

1.748

59.67

1.063

63.89

1.729

65.17

1.689

0.002

0.434

0.987

Main individual fatty acids

           

  14:0§

3.50

0.198

3.52

0.189

2.98

0.130

3.23

0.164

0.024

0.426

0.517

  16:0§

27.24

0.429

26.57

0.552

23.63

0.444

25.11

0.659

<0.001

0.449

0.051

  16:1c9§

4.03

0.380

3.83

0.242

4.89

0.263

5.41

0.248

<0.001

0.590

0.218

  a-17:0§

1.30

0.026

1.13

0.031

1.45

0.035

1.35

0.038

<0.001

<0.001

0.315

  18:0

14.53

0.776

12.94

0.804

11.44

0.713

9.75

0.658

<0.001

0.034

0.946

  18:1t11

1.41

0.123

1.36

0.129

1.88

0.125

1.74

0.113

0.002

0.456

0.705

  18:1c9§

33.5

1.019

34.65

0.835

37.43

0.752

37.18

0.872

<0.001

0.610

0.431

  18:1c11

4.13

0.396

3.7

0.367

4.32

0.144

4.53

0.142

0.093

0.692

0.279

  CLA(c9t11)

0.40

0.034

0.34

0.026

0.80

0.041

0.81

0.041

<0.001

0.504

0.324

  18:2n-6

1.49b

0.030

2.29c

0.141

1.70a

0.050

1.82a

0.064

0.181

<0.001

0.002

Partial sums

           

 Σ SFA

46.89

1.000

44.76

1.303

39.61

1.035

39.21

1.184

<0.001

0.273

0.453

 Σ MUFA

44.89

1.034

46.00

1.323

50.62

1.092

51.54

1.223

<0.001

0.395

0.933

 Σ TFA

2.73

0.181

3.57

0.277

3.75

0.176

3.79

0.145

0.004

0.037

0.057

 Σ PUFA

1.80a

0.101

2.58c

0.144

2.07b

0.055

2.11b

0.067

0.347

<0.001

0.001

 Σ n-3 PUFA

0.27a

0.012

0.26a

0.016

0.32b

0.008

0.25a

0.005

0.081

<0.001

0.012

 Σ n-6 PUFA

1.53a

0.090

2.32c

0.134

1.75b

0.049

1.86b

0.065

0.216

<0.001

0.001

 Σ BCFA

2.69

0.085

2.06

0.051

2.77

0.068

2.25

0.060

0.051

<0.001

0.411

  1. 1Different superscripts differ at least P < 0.05. SFA, sum of 12:0,14:0, 15:0, 16:0, 17:0, 18:0 and 20:0; MUFA, sum of 14:1c9, 16:1c7, 16:1c9, 17:1c9, 18:1c9, 18:1c11, 18:1c12, 18:1c13, 18:1c15, 19:1 and 20:1c11; TFA, sum of 18:1t6-t8, 18:1t9, 18:1t10, 18:1t11, 18:1t12, 18:1t16 + c14, 18:2c9t11 and 18:2t11c15; PUFA, sum of 18:2n-6, 18:3n-3, 20:3n-6 and 20:4n-6; BCFA, sum of i-14:0, i-15:0, a-15:0, i-16:0, i-17:0, a-17:0 and i-18:0.
  2. 2Total lipids are expressed as g/100 g muscle; fatty acid composition is expressed as g/100 g fatty acids.
  3. 3HS, High silage; LS, Low silage.
  4. §Variable adjusted for total lipids.