Table 3.
Variable | August2) | September3) | SE | p-value | ||||
---|---|---|---|---|---|---|---|---|
|
|
|
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Control | Glycerol | Control | Glycerol | Diet | Month | Diet×month | ||
Age (month) | 14.4 | 14.0 | 15.4 | 15.0 | ||||
Initial body weight (kg) | 405.0 | 405.2 | 434.7 | 430.7 | ||||
Body weight4) (kg) | 434.7 | 430.7 | 455.8 | 453.9 | 5.54 | 0.79 | 0.049 | 0.92 |
Feed intake, DM | ||||||||
Daily total feed intake (kg/d) | 7.63a | 7.62a | 8.21b | 8.09ab | 0.08 | 0.68 | 0.0012 | 0.70 |
Daily concentrate intake (kg/d) | 5.44b | 5.45b | 6.00a | 5.93ab | 0.08 | 0.81 | <0.001 | 0.77 |
Daily forage intake (kg/d) | 2.19 | 2.18 | 2.20 | 2.16 | 0.03 | 0.61 | 0.93 | 0.81 |
Concentrate/forage intake ratio | 2.48a | 2.50a | 2.73b | 2.75b | 0.05 | 0.82 | 0.014 | 0.96 |
Crude protein intake (kg/d) | 0.86a | 0.88a | 0.92b | 0.95b | 0.014 | 0.47 | <0.001 | 0.77 |
Ether extract fat intake (kg/d) | 0.22a | 0.22a | 0.24b | 0.24b | 0.003 | 0.42 | <0.001 | 0.71 |
Average daily gain (kg/d) | 0.96a | 0.82ab | 0.70b | 0.77ab | 0.04 | 0.62 | 0.03 | 0.13 |
Feed efficiency (gain/total DM feed intake) | 0.108a | 0.094ab | 0.075b | 0.083ab | 0.0005 | 0.63 | 0.003 | 0.11 |
Rectal temperature (°C) | 38.51 | 38.64 | 38.34 | 38.34 | 0.041 | 0.31 | 0.007 | 0.52 |
SE, standard error; DM, dry matter.
N = 10. Mean values with different letters (a,b) differ at p<0.05.
Experiment period was 4 weeks in duration (July 28 to August 26, 2014).
Experiment period was 4 weeks in duration (August 27 to September 25, 2014).
Body weight was recorded on August 27 and September 26, 2014, respectively.