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

Control

Castration

Control

Castration

Castration

Diet

Interaction

Average food intake¹, g/d

20.0 ± 0.3^b

19.2 ± 0.3^c

21.4 ± 0.4^a

19.3 ± 0.4^c

< 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 ± 18.4^a

440.9 ± 17.1^b

507.0 ± 15.2^a

434.4 ± 12.3^b

< 0.001

NS

0.0019

Average food efficiency², gain(g)/intake(g)

1.6 ± 0.08^a

1.3 ± 0.07^b

1.7 ± 0.1^a

1.4 ± 0.09^b

< 0.001

NS

0.0033

Abdominal fat, g

7.3 ± 0.6^c

10.4 ± 0.7^b

10.3 ± 0.5^b

12.59 ± 0.6^a

< 0.001

< 0.001

NS

18.0 ± 1.0^b

27.2 ± 2.1^a

21.5 ± 1.5^b

31.2 ± 1.8^a

< 0.001

0.04

NS

Total fat³, g

25.3 ± 1.4^c

37.6 ± 2.5^b

31.8 ± 1.6^b

43.8 ± 2.3^a

< 0.001

0.005

NS

Liver, g

16.2 ± 1.2^a

14.5 ± 1.5^ab

15.9 ± 1.1^a

11.7 ± 0.6^b

0.02

NS

NS

Longissimus dorsi muscle, g

10.2 ± 0.4^a

7.9 ± 0.4^c

9.1 ± 0.3^b

7.2 ± 0.3^c

< 0.001

0.01

NS

Gastrocnemius, g

5.5 ± 0.2^a

5.0 ± 0.1^b

5.0 ± 0.1^b

4.6 ± 0.1^b

< 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