Conventional | Alternative | P | ||||
---|---|---|---|---|---|---|
Cconv (n = 12) | OF (n = 16) | Calt (n = 11) | NegSF (n = 9) | PosSF (n = 10) | ||
Growth and slaughter performances | ||||||
BW (g) | 5279 ± 462a | 8014 ± 424b | 5589 ± 543a | 6267 ± 502c | 8835 ± 858d | *** |
Liver (g) | 149 ± 22a | 990 ± 213b | 126 ± 17c | 98 ± 10d | 269 ± 56e | *** |
%BW | 2.8 ± 0.3a | 12.4 ± 2.9b | 2.3 ± 0.4c | 1.6 ± 0.1d | 3.0 ± 0.4a | *** |
Abdominal fat (g) | 112 ± 39a | ND | 76 ± 25b | 236 ± 51c | 630 ± 108d | *** |
%BW | 2.1 ± 0.8a | ND | 1.4 ± 0.5b | 3.8 ± 0.7c | 7.1 ± 1.0d | *** |
Crop volume (mL) | 306 ± 65 | ND | 264 ± 54 | 279 ± 70 | 249 ± 66 | NS |
Chemical composition of the liver | ||||||
DM (%) | 31.0 ± 1.3a | 64.8 ± 3.5b | 31.7 ± 1.4a | 31.0 ± 1.1a | 46.5 ± 6.7c | *** |
MM (%) | 1.1 ± 0.1a | 0.4 ± 0.1b | 1.1 ± 0.1ac | 1.0 ± 0.1c | 0.6 ± 0.2d | *** |
Lipids (%) | 4.5 ± 0.8a | 53.9 ± 4.9b | 4.6 ± 0.5a | 5.3 ± 0.6c | 26.8 ± 9.5d | *** |
Total nitrogen (%) | 16.1 ± 1.9a | 8.0 ± 1.6b | 15.4 ± 1.5a | 18.1 ± 2.1c | 12.6 ± 2.0d | *** |
Total glucose (μmol/g) | 633 ± 134a | 86 ± 27b | 607 ± 116ac | 459 ± 125cd | 380 ± 97d | *** |
μmol/g fat free liver | 605 ± 127a | 40 ± 17b | 579 ± 111ac | 434 ± 117cd | 285 ± 97d | *** |
Free glucose (μmol/g) | 70 ± 11a | 34 ± 7b | 47 ± 7c | 84 ± 10d | 51 ± 9c | *** |
μmol/g fat free liver | 67 ± 11a | 16 ± 4b | 45 ± 6c | 80 ± 10d | 38 ± 10c | *** |
Glycogen (μmol/g) | 563 ± 135a | 51 ± 27b | 560 ± 113a | 375 ± 130c | 328 ± 93c | *** |
μmol/g fat free liver | 538 ± 128a | 25 ± 16b | 534 ± 108a | 355 ± 123c | 247 ± 89c | *** |
Lactate (μmol/g) | 6.9 ± 1.5a | 9.6 ± 2.0bc | 6.7 ± 0.8a | 10.5 ± 0.8b | 8.0 ± 1.5ac | *** |
μmol/g fat free liver | 6.6 ± 1.5a | 4.4 ± .01b | 6.4 ± 0.8a | 10.0 ± 0.7c | 5.8 ± 1.4a | *** |