Table 1.
Body composition parameters and plasma metabolites
| |
Alentejana |
Barrosã |
P
value |
||||
|---|---|---|---|---|---|---|---|
| HS | LS | HS | LS | Breed | Diet | Breed × diet | |
|
Growth and body composition |
|
|
|
|
|
|
|
| Initial weight (kg) |
267 ± 16.8 |
264 ± 13.9 |
210 ± 4.5 |
214 ± 5.9 |
<0.001 |
0.954 |
0.792 |
| Slaughter weight (kg) |
622 ± 17.7 |
636 ± 29.7 |
457 ± 8.9 |
497 ± 23.0 |
<0.001 |
0.207 |
0.542 |
| Normalized liver weight (% carcass weight) |
2.08 ± 0.061 |
1.95 ± 0.128 |
2.08 ± 0.052 |
2.01 ± 0.063 |
0.701 |
0.226 |
0.662 |
| Hepatic total lipids (mg/100 g liver) |
2.99 ± 0.114 |
2.96 ± 0.079 |
3.29 ± 0.095 |
3.43 ± 0.146 |
0.002 |
0.620 |
0.448 |
|
Plasma lipid profile |
|
|
|
|
|
|
|
| Total cholesterol (mg/l) |
863 ± 49.5 |
884 ± 77.3 |
892 ± 46.6 |
837 ± 103.5 |
0.903 |
0.818 |
0.607 |
| HDL-cholesterol (mg/l) |
408 ± 17.5 |
393 ± 25.7 |
366 ± 14.4 |
353 ± 41.0 |
0.139 |
0.606 |
0.971 |
| LDL-cholesterol (mg/l) |
83.1 ± 6.41 |
84.9 ± 12.70 |
78.0 ± 6.46 |
84.0 ± 9.45 |
0.745 |
0.672 |
0.820 |
| VLDL-cholesterol (mg/l) |
35.0 ± 4.59 |
35.2 ± 2.07 |
34.0 ± 2.42 |
36.8 ± 2.98 |
0.925 |
0.640 |
0.685 |
| Triacylglycerols† (mg/l) |
175 ± 23.0 |
176 ± 10.3 |
170 ± 12.1 |
184 ± 14.9 |
0.925 |
0.640 |
0.685 |
| Non esterified fatty acids (mM) |
0.06 ± 0.02 |
0.06 ± 0.01 |
0.06 ± 0.02 |
0.03 ± 0.01 |
0.219 |
0.250 |
0.447 |
| Total lipids (mg/l) |
3401 ± 113.0 |
3444 ± 160.0 |
3454 ± 96.6 |
3358 ± 209.3 |
0.914 |
0.862 |
0.650 |
|
Plasma hepatic markers |
|
|
|
|
|
|
|
| AST (U/l) |
83.0 ± 3.60 |
99.7 ± 15.50 |
71.3 ± 3.24 |
67.2 ± 3.74 |
0.021 |
0.464 |
0.236 |
| ALT (U/l) |
30.4 ± 1.83 |
28.9 ± 3.02 |
26.5 ± 2.21 |
18.1 ± 1.69 |
0.003 |
0.036 |
0.136 |
| ALP (U/l) | 199 ± 37.2 | 173 ± 25.8 | 218 ± 25.1 | 200 ± 25.7 | 0.430 | 0.461 | 0.902 |
†Published in Costa et al. [12].