Table 4. Effect of supplementation of milk enriched with n-3 and n-6 on serum fatty acids profile of gilts from 34 to 190 days of age.
Fatty acidsa, μg.ml-1 | Treatmentsb | P-valuec | ||||||
---|---|---|---|---|---|---|---|---|
Control | n-3 | n-6 | Treatment | Time | Treat*Time | C1d | C2d | |
Myristic, C14:0 | 0.869 ± 0.070 | 0.669 ± 0.070 | 0.653 ± 0.070 | 0.087 | <0.0001 | 0.062 | 0.031 | 0.875 |
Palmitic, C16:0 | 17.730 ± 0.700 | 17.800 ± 0.700 | 17.490 ± 0.070 | 0.950 | 0.0465 | 0.541 | 0.925 | 0.766 |
Stearic, C18:0 | 12.430 ± 0.300 | 11.830 ± 0.300 | 13.560 ± 0.300 | 0.006 | <0.0001 | 0.408 | 0.497 | 0.002 |
Elaidic, C18:1t n-9 | 0.382 ± 0.080 | 0.293 ± 0.080 | 0.379 ± 0.080 | 0.686 | 0.0024 | 0.174 | 0.652 | 0.470 |
Palmitoleic, C16:1c9 | 1.136 ± 0.090 | 1.167 ± 0.100 | 1.117 ± 0.090 | 0.936 | 0.0016 | 0.937 | 0.961 | 0.721 |
Oleic, C18:1c9 | 23.330 ± 0.700 | 24.050 ± 0.700 | 22.130 ± 0.700 | 0.200 | 0.0028 | 0.684 | 0.790 | 0.081 |
Linoleic, C18:2 n-6 | 28.390 ± 0.500 | 29.770 ± 0.500 | 28.670 ± 0.600 | 0.225 | 0.0001 | 0.708 | 0.242 | 0.190 |
Dihomo-γ-linolenic, C20:3 n-6 | 0.695 ± 0.0400 | 0.688 ± 0.040 | 0.660 ± 0.050 | 0.852 | <0.0001 | 0.637 | 0.714 | 0.679 |
ARA, C20:4 n-6 | 11.240 ± 0.500 | 11.000 ± 0.600 | 12.410 ± 0.600 | 0.239 | <0.0001 | 0.587 | 0.534 | 0.121 |
γ-Linolenic, C18:3 n-6 | 0.506 ± 0.020 | 0.567 ± 0.030 | 0.531 ± 0.030 | 0.336 | <0.0001 | 0.079 | 0.232 | 0.381 |
α-Linolenic, C18:3 n-3 | 0.563 ± 0.020 | 0.618 ± 0.030 | 0.588 ± 0.020 | 0.361 | <0.0001 | 0.326 | 0.232 | 0.431 |
EPA, C20:5 n-3 | 0.219 ± 0.090 | 0.343 ± 0.090 | 0.461 ± 0.100 | 0.239 | 0.1157 | 0.280 | 0.143 | 0.397 |
DHA, C22:6 n-3 | 1.203 ± 0.100 | 1.184 ± 0.100 | 1.371 ± 0.100 | 0.459 | <0.0001 | 0.300 | 0.617 | 0.260 |
Saturated | 31.410 ± 0.300 | 30.370 ± 0.300 | 31.150 ± 0.300 | 0.090 | <0.0001 | 0.450 | 0.124 | 0.106 |
Unsaturated | 68.590 ± 0.300 | 69.630 ± 0.300 | 68.850 ± 0.300 | 0.090 | <0.0001 | 0.450 | 0.124 | 0.106 |
SFA/USFA | 0.458 ± 0.006 | 0.438 ± 0.006 | 0.453 ± 0.006 | 0.097 | <0.0001 | 0.472 | 0.132 | 0.110 |
Monounsaturated | 25.240 ± 0.600 | 25.430 ± 0.700 | 24.040 ± 0.600 | 0.312 | 0.0005 | 0.234 | 0.547 | 0.164 |
Polyunsaturated | 43.340 ± 0.800 | 44.200 ± 0.800 | 44.880 ± 0.800 | 0.438 | 0.2194 | 0.229 | 0.255 | 0.563 |
Total n-3 | 2.002 ± 0.100 | 2.154 ± 0.100 | 2.384 ± 0.100 | 0.197 | <0.0001 | 0.296 | 0.152 | 0.262 |
Total n-6 | 41.350 ± 0.700 | 42.050 ± 0.700 | 42.480 ± 0.800 | 0.596 | 0.0247 | 0.458 | 0.354 | 0.694 |
n-6/n-3 | 27.271 ± 1.100 | 26.347 ± 1.100 | 25.528 ± 1.100 | 0.559 | <0.0001 | 0.459 | 0.341 | 0.612 |
ARA/EPA | 59.854 ± 6.800 | 57.438 ± 6.800 | 46.762 ± 6.800 | 0.379 | 0.0043 | 0.174 | 0.368 | 0.285 |
aEPA: Eicosapentaenoic acid; DHA: Docosahexaenoic acid; ARA: Arachidonic acid; USFA/SFA: Unsaturated/saturated fatty acids; Total n-3: Sum of n-3 fatty acids; Total n-6: Sum of n-6 fatty acids; n-6/n-3, ratio of total n-6 to total n-3 fatty acids; ARA/EPA: Ratio of arachidonic acid to eicosapentaenoic acid.
bGilts fed with non-enriched milk (Control); or supplemented with cow’s milk enriched with n-3 or n-6.
cC1, contrast between Control vs n-3+n-6; C2, contrast between n-3 vs n-6.