Table 1.
Animal characteristics
| Food Consumption |
||||||
|---|---|---|---|---|---|---|
| Age, wk | Body Weight, g | %Body Fat, g | g/wk | g·wk−1·g body wt−1 | Fat Pad Mass, g | HW/BW, mg/g |
| OLETF-SED | ||||||
| 20 | 614.6 ± 8.3 | 30.6 ± 0.9 | 227.2 ± 7.0 | 0.37 ± 0.01 | 26.3 ± 1.0 | 2.62 ± 0.05 |
| 40 | 693.7 ± 38.8# | 30.9 ± 4.5 | 302.6 ± 20.4# | 0.45 ± 0.05#* | 57.1 ± 8.5# | 2.67 ± 0.15 |
| OLETF-EX | ||||||
| 20 | 425.6 ± 11.7† | 9.4 ± 1.2† | 244.3 ± 9.3* | 0.58 ± 0.02†* | 6.8 ± 1.4† | 3.67 ± 0.11†* |
| 40 | 538.5 ± 16.8#† | 17.9 ± 2.0#† | 228.7 ± 7.4†* | 0.43 ± 0.01#* | 15.1 ± 1.8#† | 3.07 ± 0.06#†* |
| LETO-SED | ||||||
| 20 | 479.3 ± 7.5† | 15.4 ± 1.2† | 159.1 ± 1.5† | 0.33 ± 0.01 | 9.0 ± 0.6† | 2.92 ± 0.07 |
| 40 | 555.8 ± 21.1#† | 21.9 ± 1.5#† | 167.5 ± 5.9† | 0.30 ± 0.01 | 14.3 ± 1.5#† | 2.70 ± 0.04 |
Values are means ± SE (n = 6–8). HW/BW, heart weight/body weight ratio; OLETF-SED, sedentary Otsuka Long-Evans Tokushima fatty rats; OLETF-EX, OLETF rats with access to running wheels; LETO-SED, sedentary Long-Evans Tokushima Otsuka rats.
#
Significantly different from 20-wk values within respective animal group (P < 0.01).
*
Significantly different from LETO-SED at respective age (P < 0.01).
†
Significantly different from OLETF-SED at respective age. Fat pad mass was the combination of omental and retroperitoneal fat pads.