Table 6.
Composition and indexes of fatty acids, fat content and cholesterol content in breast meat.
| Characteristic | Dominant | SEM | Probability | |||
|---|---|---|---|---|---|---|
| Sussex D 104 | Brown D 102 | Tinted D 723 | ||||
| Fatty Acid (mg/100 g) | ||||||
| Myristic | C 14:0 | 11.37 a | 4.20 b | 3.18 c | 0.780 | <0.001 |
| Palmitic | C 16:0 | 196 a | 143 b | 121 b | 8.3 | <0.001 |
| Margaric | C 17:0 | 2.27 a | 1.26 b | 1.17 b | 0.122 | <0.001 |
| Stearic | C 18:0 | 102.8 a | 54.0 b | 55.0 b | 5.50 | <0.001 |
| Arachidic | C 20:0 | 1.22 a | 0.79 b | 0.65 b | 0.065 | <0.001 |
| Palmitoleic | C 16:1 | 15.8 b | 20.8 a | 10.0 c | 1.16 | <0.001 |
| Oleic | C 18:1 | 268 a | 207 b | 161 c | 12.0 | <0.001 |
| Eicosenoic | C 20:1 | 1.78 | 2.11 | 1.54 | 0.132 | NS |
| Erucic | C 22:1 | 0.083 a | 0.055 b | 0.044 b | 0.0045 | <0.001 |
| Linoleic | C 18:2 | 91.2 a | 81.4 a,b | 66.6 b | 3.74 | 0.018 |
| α-Linolenic | C 18:3 | 2.77 b | 3.10 a | 2.95 b | 0.094 | 0.013 |
| γ-Linolenic | C 18:3 | 7.19 | 8.67 | 6.49 | 0.324 | NS |
| Eicosadienic | C 20:2 | 2.69 a | 2.00 b | 1.65 c | 0.105 | <0.001 |
| Arachidonic | C 20:4 | 47.5 a | 28.5 b | 23.4 c | 2.28 | <0.001 |
| Eicosapentaenoic | C 20:5 | 2.42 a | 1.55 b | 1.23 b | 0.135 | <0.001 |
| Clupanodonic | C 22:5 | 11.06 a | 6.73 b | 6.30 b | 0.548 | <0.001 |
| Docosahexaenoic | C 22:6 | 13.10 a | 6.70 b | 5.27 b | 0.766 | <0.001 |
| Sums and Ratios of Fatty Acids | ||||||
| SFA | 319 a | 206 b | 184 b | 14.6 | <0.001 | |
| MUFA | 304 a | 246 b | 185 c | 13.6 | <0.001 | |
| PUFA | 183 a | 143 b | 117 c | 7.4 | <0.001 | |
| n3 | 34.4 a | 24.1 b | 19.7 b | 1.56 | <0.001 | |
| n6 | 148 a | 118 b | 97 c | 5.8 | <0.001 | |
| n6/n3 | 4.31 b | 4.91 a | 4.95 a | 0.077 | <0.001 | |
| h/H | 2.13 b | 2.32 a | 2.15 b | 0.029 | 0.008 | |
| AI | 0.500 a | 0.412 c | 0.449 b | 0.0087 | <0.001 | |
| TI | 0.941 a | 0.789 b | 0.910 a | 0.0171 | <0.001 | |
| Fat (g/kg DM) | 8.50 | 9.50 | 9.69 | 0.386 | NS | |
| Cholesterol (mg/kg) | 441 a | 396 b | 306 c | 13.0 | <0.001 | |
DM = dry matter, SEM = standard error of the mean, NS = not significant. a,b means with different superscripts differ significantly. SFA = saturated fatty acids, MUFA = monounsaturated fatty acids, PUFA = polyunsaturated fatty acids, AI = atherogenic index, TI = thrombogenic index, h/H = hypocholesterolemic/hypercholesterolemic fatty acid ratio.