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Statistics of calculated growth and methane traits adjusted for carbon dioxide.
| Trait | Unit | Galle Heifers (n = 252) | Borculo Heifers (n = 74) | ||||
|---|---|---|---|---|---|---|---|
| Mean | SD * | CV † | Mean | SD * | CV † | ||
| ADG/CO2 | g/kg | 136 | 21 | 15% | 59 | 28 | 48% |
| rwcADG | g/d | 0 | 144 | 15% | 0 | 174 | 48% |
| rwgCO2 | kg/d | 0 | 337 | 5% | 0 | 212 | 3% |
| CH4/CO2 | g/kg | 29.8 | 1.5 | 5% | 33.5 | 1.6 | 5% |
| rwcCH4 | g/d | 0 | 10 | 5% | 0 | 10 | 5% |
* standard deviation of traits adjusted for contemporary group effects; † CV of residual traits = SD* divided by the non-adjusted variable mean.
