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Table 1 Food intake, food efficiency, and tissue weight of sham-operated (control) and castrated male rats fed either normal diet or high fat diet for 9 weeks

From: Testosterone deficiency caused by castration increases adiposity in male rats in a tissue-specific and diet-dependent manner

Items Normal diet   High-fat diet   P   
  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
  1. Mean ± SE (n = 7–8)
  2. NS not significant
  3. 1Average food intake (g/day): average food intake for whole experimental period (9 weeks)
  4. 2Average food efficiency = average weight gain/food intake (g/day) for 9 weeks
  5. 3Total fat = subcutaneous + abdominal fat
  6. a–dMeans in row with different superscripts differ (P < 0.05)