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Animal weights and physical activity characteristics (mean ± SEM).
| Group | Body mass (g) | Running (km) | |||
|---|---|---|---|---|---|
| Start | End | Change | Distance (km/day) |
Max speed (km/hr) |
|
| Isolated | 33.9±1.3 | 36.5±1.6 | 2.6±0.9 | — | — |
| Isolated, wheel | 32.7±1.1 | 35.1±1.6 | 2.4±0.8 | 2.7±0.6 | 1.07±0.1 |
| Paired | 34.1±1.1 | 36.6±1.1 | 2.5±1.1 | — | — |
| Paired, wheel | 34.6±1.3 | 37.1±1.1 | 2.6±0.7 | 3.8±0.5 | 2.2±0.5 |
