Research, Policy and Practice
Performance and methane production | Breed | ||
---|---|---|---|
Bonsmara | Nguni | P-value | |
Body condition score (BCS) | 3.23a ± 0.018 | 3.05b ± 0.018 | < 0.0001 |
Body weight (kg) | 424.09a ± 2.387 | 368.02b ± 2.415 | < 0.0001 |
DMI (kg/day) | 11.47a ± 0.065 | 9.95b ± 0.065 | < 0.0001 |
CH4 (g/day/head) | 254.32a ± 3.326 | 237.88b ± 3.364 | 0.0005 |
CH4 (g/kg DMI) | 23.10a ± 0.536 | 24.81a ± 0.542 | 0.0873 |
CH4 (g/100 kg body weight) | 62.16b ± 1.403 | 66.73a ± 1.419 | 0.0223 |