Table 2.
Means ± standard errors of body composition of parental, F1, and F2 mice
| C57BL/6J | PWK/PhJ | F1 | F2 | |
|---|---|---|---|---|
| Female | ||||
| Number of mice | 14 | 16 | 32 | 235 |
| Age (months) | 4.7 ± 0.6 | 4.7 ± 0.3 | 4.9 ± 0.2 | 4.8 ± 0.4 |
| Body weight (g) | 19.0 ± 1.0c | 12.9 ± 1.0a | 16.3 ± 0.7b | 16.6 ± 0.3b |
| Lean weight (g) | 15.2 ± 0.6c | 10.3 ± 0.5a | 13.1 ± 0.4b | 12.6 ± 0.1b |
| Fat weight (g) | 3.4 ± 0.6a,b | 2.5 ± 0.6a | 2.6 ± 0.4a | 3.5 ± 0.2b |
| Percent fat (%) | 18.0 ± 1.5a,b | 19.6 ± 1.4b,c | 16.7 ± 1.0a | 21.0 ± 0.4c |
| Male | ||||
| Number of mice | 15 | 13 | 30 | 244 |
| Age (months) | 4.7 ± 0.9 | 4.7 ± 0.5 | 4.9 ± 0.7 | 4.8 ± 0.8 |
| Body weight (g) | 23.9 ± 1.0c | 15.3 ± 1.1a | 19.7 ± 0.7b | 23.1 ± 0.3c |
| Lean weight (g) | 19.2 ± 0.5d | 11.8 ± 0.6a | 15.8 ± 0.4b | 16.9 ± 0.1c |
| Fat weight (g) | 4.8 ± 0.6a,b | 3.3 ± 0.7a | 3.3 ± 0.4a | 6.0 ± 0.2b |
| Percent fat (%) | 19.8 ± 1.4a,b | 21.5 ± 1.5b,c | 17.1 ± 1.0a | 24.7 ± 0.4c |
a–c
Strains that do not share a common superscript differ by LSD post hoc tests