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Table 2 Effect of diet on body composition, daily food and energy intake of different mice lines

From: Metabolic responses to high-fat diets rich in n-3 or n-6 long-chain polyunsaturated fatty acids in mice selected for either high body weight or leanness explain different health outcomes

 

DU6

DUhTP

 

Standard chow

n-3 HFD

n-6 HFD

Standard chow

n-3 HFD

n-6 HFD

 

LSM ± SE

LSM ± SE

LSM ± SE

LSM ± SE

LSM ± SE

LSM ± SE

Body weight (bwt) at 87th day (g)

84·0 ± 1·6a, A

96·2 ± 1·7b, A

98·4 ± 1·5b, A

28·.8 ± 1·6a, B

35·4 ± 1·5b, B

32·8 ± 1·6B

Daily food intake (g/d)

11·4 ± 0·2a, A

8·8 ± 0·2b, A

8·8 ± 0·2b, A

5·2 ± 0·2a, B

4·8 ± 0·2a, b, B

4·1 ± 0·2b, B

Daily food intake

(g/bwt0.75)

0·41 ± 0·02a

0·29 ± 0·02b

0·28 ± 0·02b

0·42 ± 0·02a

0·33 ± 0·02b

0·30 ± 0·02b

Daily calorie intake

(calorie/bwt0.75)

1·24 ± 0·12

1·28 ± 0·12

1·24 ± 0·08

1·25 ± 0·28a

1·49 ± 0·13b

1·32 ± 0·05a, b

Liver (g)

3·7 ± 0·1a, A

4·1 ± 0·1b, A

3·5 ± 0·1a, A

1·1 ± 0·1a, B

1·5 ± 0·1b, B

1·2 ± 0·1a, B

Abdominal fat (g)

2·6 ± 0·3a, A

4·6 ± 0·3b, A

5·2 ± 0·2b, A

0·3 ± 0.3B

1·0 ± 0.2B

0·7 ± 0·3B

Perirenal fat (g)

2·0 ± 0·2a, A

3·4 ± 0·2b, A

3·8 ± 0·2b, A

0·2 ± 0·2B

0·5 ± 0·2B

0·4 ± 0·2B

Brown fat (g)

0·20 ±

0·016a, A

0·26 ±

0·017b, A

0·25 ±

0·015b, A

0·07 ±

0·016B

0·13 ±

0·015B

0·098 ±

0·016B

Liver fat (%)

7.1 ± 0·9a

8·0 ± 1·0a, b

10·2 ± 0·9b, A

6·7 ± 0·9

6·8 ± 0·9

8·7 ± 0·9B

Muscle fat (%)

2·6 ± 0.2

3·5 ± 0·2

2·9 ± ·02

2·9 ± 0·2

3·1 ± 0·1

3·0 ± 0·2

  1. DU6-mouse line selected for high body weight; DUhTP-mouse line selected for high treadmill performance
  2. n-3 and n-6 HFD-high fat diet enriched with either n-3 or n-6 polyunsaturated fatty acids
  3. LSM-Least square means of 8-10 mice per group, SE-Standard error, bwt-body weight, bwt0.75- metabolic body weight
  4. a, b-significant effect of diet at p ≤ 0.05 within the selected line
  5. A, B -significant effect of selection line at p ≤ 0.05 within the feeding group.