Table 9.
Continuous preweaning growth measurements for Holstein heifer calves (n = 2,273) and Jersey heifer calves (n = 114) from March 2014 to September 2015
| Variable | Holstein heifer calves |
Jersey heifer calves |
||||
|---|---|---|---|---|---|---|
| Number | Percent | Mean (SE) | Number | Percent | Mean (SE) | |
| Birth weight (kg) | 2,266 | 99.7 | 43.0 (0.1) | 108 | 94.7 | 35.1 (0.5) |
| Weaning weight (kg) | 2,065 | 90.8 | 89.4 (0.5) | 105 | 92.1 | 71.7 (2.0) |
| Days of age at weaning | 2,149 | 94.5 | 66.1 (0.4) | 106 | 93.0 | 66.6 (1.1) |
| Preweaning weight gain (kg) | 1,953 | 85.9 | 48.0 (0.4) | 90 | 78.9 | 39.0 (1.8) |
| ADG (kg) | 1,949 | 85.7 | 0.73 (0.0) | 90 | 78.9 | 0.57 (0.0) |