Table 1.
Chosen performance and backfat quality parameters
| Group I (-cDDGS +rapeseed oil) n = 8 | Group II (+cDDGS +rapeseed oil) n = 8 | Group III (+cDDGS +beef tallow) n = 8 | Group IV (+cDDGS +coconut oil) n = 8 | SEM | P value | |
|---|---|---|---|---|---|---|
| Fattening results: | ||||||
| Average daily body weight gains (g) | 986 | 959 | 958 | 991 | 11.72 | 0.663 |
| Averag feed utilization (kg) | 3.07 | 3.16 | 3.17 | 3.03 | 0.04 | 0.564 |
| Fatty acid profile and lipid peroxidation indicators: | ||||||
| C18:2 | 10.6 a | 13.5 c | 11.8 b | 10.2 a | 0.3 | < 0.001 |
| SFAa | 46.5 b | 43.5 a | 47.2 b | 52.3 c | 0.7 | < 0.001 |
| UFAa | 52.4 b | 55.5 c | 51.7 b | 46.5 a | 0.7 | < 0.001 |
| MUFAa | 39.8 b | 40.1 b | 38.6 b | 35.3 a | 0.5 | 0.001 |
| PUFA n-6a | 10.8 a | 13.8 c | 12.2 b | 10.4 a | 0.3 | < 0.001 |
| PUFA n-3a | 1.76 c | 1.61 c | 0.98 b | 0.77 a | 0.09 | < 0.001 |
| PUFAa | 12.6 b | 15.4 c | 13.2 b | 11.2 a | 0.3 | < 0.001 |
| SFA/UFA ratio | 0.89 b | 0.78 a | 0.91 b | 1.12 c | 0.03 | < 0.001 |
| IV (g/100 g)b | 57.2 b | 62.0 c | 56.3 b | 50.0 a | 0.9 | < 0.001 |
| TBA-RS (mg/kg)c | 0.25 ab | 0.30 b | 0.25 ab | 0.18 a | 0.02 | 0.029 |
a.b.c. Values within a row with different superscripts differ significantly at P < 0.05
aSum of fatty acids: saturated (SFA). unsaturated (UFA). monounsaturated (MUFA). polyunsaturated (PUFA)
bIV – iodine value of fat
cTBA-RS - Thiobarbituric acid reactive substances