Parameters | Treatments | SEM | ||||
---|---|---|---|---|---|---|
Control | LAS 10 | LAS 20 | LAS 30 | |||
Carcass data | ||||||
Slaughter weight (SW, kg) | 35.25 | 35.13 | 36.13 | 37.94 | 0.52 | NS |
Empty body weight (EBW, kg) | 31.36 | 31.26 | 32.99 | 34.22 | 0.51 | NS |
Hot carcass weight (kg) | 15.88 | 16.11 | 16.29 | 16.41 | 0.28 | NS |
Cold carcass weight (kg) | 15.52 | 15.79 | 15.94 | 16.03 | 0.28 | NS |
Chill shrink (%) | 2.30 | 2.0 | 2.20 | 2.29 | 0.04 | * |
Dressing (%, SW-base) | 44.98 | 45.84 | 45.04 | 43.26 | 0.43 | NS |
Dressing (%, EBW-base) | 50.54 | 51.56 | 49.33 | 47.94 | 0.46 | * |
CCI (kg/cm) | 0.23 | 0.22 | 0.22 | 0.22 | 0.01 | NS |
Ribeye area (cm2) | 12.58 | 13.76 | 11.40 | 12.74 | 0.37 | NS |
NCC (%) | ||||||
Head (skinned) | 3.52 | 3.58 | 3.43 | 3.21 | 0.04 | * |
Heart | 0.42 | 0.40 | 0.41 | 0.40 | 0.01 | NS |
Lungs | 1.03 | 1.0 | 0.97 | 0.83 | 0.02 | * |
Liver | 2.10 | 2.22 | 2.04 | 2.36 | 0.03 | * |
Spleen | 0.17 | 0.18 | 0.16 | 0.16 | 0.01 | NS |
kidneys | 0.35 | 0.35 | 0.36 | 0.37 | 0.01 | NS |
Genitals | 1.38 | 1.47 | 1.46 | 1.44 | 0.04 | NS |
Skin | 7.97 | 7.53 | 8.01 | 7.76 | 0.17 | NS |
Empty stomach | 3.12 | 3.01 | 3.24 | 4.07 | 0.11 | * |
Empty intestine | 2.76 | 2.54 | 3.24 | 3.83 | 0.13 | * |
Gutfill | 11.01 | 11.08 | 8.69 | 9.81 | 0.36 | * |
Total NCC percentage | 33.82 | 33.35 | 32.00 | 34.24 | 0.40 | NS |