Table 9.
Carcass and non-carcass traits and tissues composition of the carcass in different genetic group by diet interactions.
Trait | G1 |
G2 |
G3 |
G4 |
Sig. | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
D1 | D2 | D3 | D1 | D2 | D3 | D1 | D2 | D3 | D1 | D2 | D3 | ||
Pre-slaughter weight, g | 2506 | 2570 | 2573 | 2694 | 2693 | 2471 | 2549 | 2869 | 2581 | 2610 | 2677 | 2629 | ⁎⁎ |
Carcass traits | |||||||||||||
Hot carcass weight, g | 1370 | 1443 | 1433 | 1462 | 1473 | 1322 | 1401 | 1514 | 1413 | 1369 | 1456 | 1453 | ⁎⁎ |
Dressing % | 53.9 | 55.8 | 54.9 | 55.2 | 54.6 | 53.1 | 54.5 | 56.6 | 54.4 | 51.6 | 53.8 | 54.8 | ⁎ |
Offal weight, g | 96 | 87 | 88 | 101 | 99 | 96 | 98 | 109 | 93 | 101 | 101 | 96 | ⁎ |
Offal, % | 3.9 | 3.4 | 3.5 | 3.9 | 3.5 | 3.9 | 3.9 | 4.0 | 3.7 | 3.9 | 3.8 | 3.7 | NS |
Head weight, g | 204 | 211 | 206 | 216 | 217 | 217 | 218 | 225 | 214 | 224 | 219 | 219 | ⁎ |
Head, % | 8.3 | 8.3 | 8.1 | 8.2 | 7.8 | 8.8 | 8.6 | 8.4 | 8.4 | 8.7 | 8.3 | 8.5 | NS |
Fur weight, g | 227 | 227 | 216 | 244 | 241 | 244 | 252 | 262 | 245 | 254 | 254 | 247 | ⁎ |
Fur, % | 9.2 | 8.9 | 8.5 | 9.3 | 8.6 | 9.9 | 9.9 | 9.7 | 9.5 | 9.9 | 9.6 | 9.5 | NS |
Legs+tail, g | 99 | 96 | 98 | 106 | 100 | 103 | 103 | 109 | 101 | 104 | 105 | 103 | ⁎ |
Legs + tail, % | 4.0 | 3.8 | 3.9 | 4.0 | 3.6 | 4.2 | 4.1 | 4.1 | 4.0 | 4.1 | 4.0 | 4.0 | NS |
Viscera weight, g | 384 | 385 | 392 | 403 | 404 | 383 | 384 | 416 | 382 | 394 | 408 | 377 | ⁎⁎ |
Viscera, % | 15.8 | 15.1 | 15.6 | 15.5 | 15.1 | 15.7 | 15.3 | 16.4 | 15.0 | 14.3 | 15.6 | 14.6 | ⁎⁎ |
Non-carcass weight, g | 914 | 919 | 913 | 970 | 1001 | 948 | 958 | 1000 | 942 | 954 | 987 | 947 | NS |
Non-carcass, % | 37.3 | 36.1 | 36.2 | 37.1 | 37.2 | 38.7 | 38.0 | 39.1 | 36.8 | 34.3 | 37.5 | 36.6 | NS |
Tissues compositions | |||||||||||||
Lean, g | 1087 | 1020 | 1098 | 1165 | 1040 | 1021 | 975 | 1220 | 1069 | 1085 | 1048 | 1060 | ⁎⁎ |
Lean, % | 42.7 | 39.2 | 41.9 | 42.2 | 38.4 | 40.9 | 37.7 | 41.3 | 41.0 | 40.6 | 38.2 | 39.6 | ⁎ |
Bone, g | 331 | 291 | 298 | 327 | 296 | 316 | 289 | 379 | 372 | 299 | 301 | 274 | ⁎⁎ |
Bone, % | 13.2 | 11.4 | 11.7 | 12.1 | 11.0 | 12.8 | 11.3 | 14.4 | 14.6 | 10.5 | 11.2 | 10.5 | ⁎⁎ |
Lean-to-bone ratio | 3.37 | 3.51 | 3.73 | 3.59 | 3.61 | 3.28 | 3.42 | 4.10 | 2.86 | 2.88 | 3.52 | 3.91 | ⁎ |
NS, non-significant.
P < 0.05.
P < 0.01.