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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.