Table 1.
Pomc wt/wt LF | Pomc wt/wt HF | Pomc tm1/tm1 LF | Pomc tm1/tm1 HF | |
---|---|---|---|---|
Fourteen to 28 d postweaning | ||||
Energy consumed, kcal | 61.78 ± 0.26 | 75.48 ± 2.41a | 69.01 ± 0.36 | 82.39 ± 1.78b |
Body weight gained, g | 3.59 ± 0.05 | 4.16 ± 0.11 | 4.47 ± 0.45 | 5.15 ± 0.28 |
% Feed efficiency (g body weight gained/kcal consumed × 100) | 5.81 ± 0.06 | 5.52 ± 0.07 | 6.47 ± 0.63 | 6.23 ± 0.21 |
Energy intake on day 28 (kcal/mouse/d) | 10.41 ± 0.08 | 12.52 ± 0.50a | 11.65 ± 0.30 | 13.62 ± 0.33b |
Body weight at 28 d, g | 22.42 ± 0.31 | 25.58 ± 0.65a | 24.88 ± 0.16c | 27.66 ± 0.22b |
Twelve to 14 wk postweaning | ||||
Energy consumed, kcal | 165.77 ± 4.46 | 193.57 ± 4.54a | 174.20 ± 0.66 | 210.85 ± 2.48b |
Body weight gained, g | 1.32 ± 0.15 | 1.95 ± 0.38 | 1.49 ± 0.18 | 2.50 ± 0.27 |
% Feed efficiency (g body weight gained/kcal consumed × 100) | 0.79 ± 0.08 | 1.01 ± 0.19 | 0.85 ± 0.10 | 1.19 ± 0.13 |
Energy intake at week 14 (kcal/mouse/wk) | 82.07 ± 2.48 | 96.56 ± 3.26a | 86.97 ± 1.21 | 104.26 ± 1.46b |
Body weight at 14 wk, g | 29.82 ± 0.19 | 36.63 ± 1.15a | 33.17 ± 0.30 | 43.62 ± 0.42b,d |
Energy consumed, body weight gained, and percentage feed efficiency were calculated for mice fed either an LF or HF diet from weaning. Data were calculated for a period of rapid growth (14 to 28 d postweaning) and at maturity (12 to 14 wk postweaning) and are shown as mean ± SEM for three cages, each housing four mice. Significant differences were determined using a two-way ANOVA and Tukey multiple comparison test.
Pomc wt/wt LF vs Pomcwt/wt HF (P < 0.01, energy consumed 14 to 28 d, body weight at 28 d, energy consumed 12 to 14 wk, body weight at 14 wk; P < 0.05, energy intake at day 28, energy intake at 14 wk).
Pomc tm1/tm1 LF vs Pomctm1/tm1 HF (P < 0.01, energy consumed 14 to 28 d, energy consumed 12 to 14 wk, energy intake at 14 wk; P < 0.05, body weight at 28 d and energy intake at day 28; P < 0.0001, body weight at 14 wk).
Pomc wt/wt LF vs Pomctm1/tm1 LF (P < 0.05, body weight at 28 d).
Pomc wt/wt HF vs Pomctm1/tm1 HF (P < 0.01, body weight at 14 wk).