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Average methane emissions, fat–protein corrected milk (FPCM) yields, and BW for analyzed farms
| Farm 1 | Farm 2 | Farms jointly | ||||
|---|---|---|---|---|---|---|
| Trait | Mean | SD | Mean | SD | Mean | SD |
| Methane, g/d | 272 | 59.0 | 345 | 70.2 | 279 | 63.7 |
| BW, kg | 544 | 114.8 | 670 | 74.9 | 556 | 117.5 |
| FPCM, kg | 34 | 6.8 | 37 | 8.8 | 34 | 7.1 |
