Skip to main content

Advertisement

Table 7 Least square means for the fatty acid composition (% of total FA) of supraspinatus muscle 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

  Level of BCPOd (%)   P value
Parameter 0 4 8 SEM Overall Linear Quadratic
C14:0, myristic 2.98 2.17 2.11 0.03 0.213 0.421 0.212
C16:0, palmitic 24.53a 21.63b 17.34c 2.14 0.011 0.031 0.330
C16:1n-7, palmitoleic 3.29a 2.16b 1.09c 0.01 0.046 0.002 0.175
C18:0, stearic 17.93 17.35 15.39 1.54 0.541 0.472 0.112
C18:1n-9, oleic 28.13c 31.93b 36.44a 3.00 0.021 0.041 0.331
C18:1 trans-11 Vaccenic 2.02a 3.02b 4.78c 0.20 0.012 0.031 0.221
CLA cis-9 trans-11 0.66c 1.08b 1.14c 0.02 0.012 0.012 0.221
CLA trans-10 cis-12 0.68 0.76 0.79 0.22 0.556 0.213 0.451
C18:2n-6, linoleic 10.61 10.26 10.60 1.20 0.150 0.187 0.156
C18:3n-3, linolenic 0.72a 1.00b 1.45c 0.02 0.013 0.048 0.189
C20:4n-6, arachidonic 5.55 5.34 5.24 0.56 0.212 0.568 0.118
C20:5n-3, eicosapentaenoic 0.86a 1.28b 1.54c 0.02 0.045 0.042 0.091
C22:5n-3, docosapentaenoic 0.99 1.00 0.74 0.10 0.541 0.219 0.871
C22:6n-3, docosahexaenoic 1.06 1.04 1.05 0.01 0.342 0.221 0.448
Total FA (mg/g of muscle) 2.11 2.34 2.18 0.03 0.112 0.574 0.378
FA ratios and sums
∑SFA 45.44a 41.15b 34.84c 4.21 0.001 0.002 0.019
∑MUFA 33.26c 37.11b 42.31a 3.21 0.005 0.001 0.003
∑PUFA 21.13 21.76 22.55 3.11 0.213 0.445 0.318
∑n-3 3.63c 4.32b 4.78a 0.76 0.014 0.047 0.231
∑n-6 16.16 15.60 15.84 1.21 0.223 0.345 0.186
n-6:n-3 4.45a 3.61b 3.31c 0.50 0.034 0.041 0.176
UFA:SFA 1.20a 1.43b 1.86c 0.07 0.013 0.045 0.124
PUFA:SFA 0.46c 0.52b 0.65a 0.01 0.025 0.019 0.332
Desaturase and elongase indices
ID16 11.83a 9.08b 5.91c 1.20 0.032 0.001 0.664
ID18 61.07c 64.29b 70.30a 5.11 0.041 0.045 0.716
Elongation Index (EI) 68.46a 67.44a 73.76b 6.72 0.045 0.043 0.212
  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