Items | Normal diet | Â | High-fat diet | Â | P | Â | Â |
---|---|---|---|---|---|---|---|
 | Control | Castration | Control | Castration | Castration | Diet | Interaction |
Average food intake1, g/d | 20.0 ± 0.3b | 19.2 ± 0.3c | 21.4 ± 0.4a | 19.3 ± 0.4c | < 0.001 | < 0.001 | < 0.001 |
Initial body weight, g | 254.0 ± 7.9 | 242.4 ± 8.7 | 257.3 ± 10.2 | 247.5 ± 8.1 | NS | NS | NS |
Final body weight at 9 weeks, g | 507.2 ± 18.4a | 440.9 ± 17.1b | 507.0 ± 15.2a | 434.4 ± 12.3b | < 0.001 | NS | 0.0019 |
Average food efficiency2, gain(g)/intake(g) | 1.6 ± 0.08a | 1.3 ± 0.07b | 1.7 ± 0.1a | 1.4 ± 0.09b | < 0.001 | NS | 0.0033 |
Abdominal fat, g | 7.3 ± 0.6c | 10.4 ± 0.7b | 10.3 ± 0.5b | 12.59 ± 0.6a | < 0.001 | < 0.001 | NS |
Subcutaneous fat, g | 18.0 ± 1.0b | 27.2 ± 2.1a | 21.5 ± 1.5b | 31.2 ± 1.8a | < 0.001 | 0.04 | NS |
Total fat3, g | 25.3 ± 1.4c | 37.6 ± 2.5b | 31.8 ± 1.6b | 43.8 ± 2.3a | < 0.001 | 0.005 | NS |
Liver, g | 16.2 ± 1.2a | 14.5 ± 1.5ab | 15.9 ± 1.1a | 11.7 ± 0.6b | 0.02 | NS | NS |
Longissimus dorsi muscle, g | 10.2 ± 0.4a | 7.9 ± 0.4c | 9.1 ± 0.3b | 7.2 ± 0.3c | < 0.001 | 0.01 | NS |
Gastrocnemius, g | 5.5 ± 0.2a | 5.0 ± 0.1b | 5.0 ± 0.1b | 4.6 ± 0.1b | < 0.001 | 0.001 | NS |
Soleus, g | 0.4 ± 0.04 | 0.4 ± 0.06 | 0.5 ± 0.06 | 0.5 ± 0.07 | NS | NS | NS |