Table 12.
Jersey heifer BW (kg) by age (n = 114) from March 2014 to September 2015
| Age (d) | Jersey heifer calves |
SE | Percentiles of Jersey heifer calves |
||||||
|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | Mean BW (kg) | 5th | 25th | 50th | 75th | 95th | ||
| Birth | 108 | 94.7 | 35.1 | 0.5 | 25.0 | 31.6 | 35.5 | 38.2 | 42.7 |
| 7–13 | 5 | 4.4 | 36.9 | 4.0 | 27.3 | 27.3 | 41.4 | 44.1 | 44.7 |
| 14–20 | 81 | 71.1 | 38.7 | 0.8 | 27.7 | 34.1 | 38.6 | 41.8 | 48.7 |
| 21–27 | 22 | 19.3 | 41.0 | 1.4 | 36.8 | 37.7 | 39.2 | 44.1 | 52.5 |
| 28–34 | 76 | 66.7 | 45.9 | 1.1 | 31.8 | 39.6 | 45.5 | 53.2 | 62.7 |
| 35–41 | 22 | 19.3 | 50.1 | 2.1 | 40.4 | 42.9 | 48.7 | 53.6 | 68.6 |
| 42–48 | 62 | 54.4 | 55.3 | 1.4 | 40.0 | 47.7 | 53.8 | 62.7 | 74.5 |
| 49–55 | 30 | 26.3 | 62.1 | 2.2 | 48.2 | 51.8 | 60.0 | 68.2 | 85.5 |
| 56–62 | 104 | 91.2 | 69.3 | 1.4 | 50.0 | 57.2 | 69.1 | 78.2 | 95.0 |
| 63–69 | 34 | 29.8 | 70.1 | 2.3 | 53.6 | 60.0 | 67.0 | 77.3 | 98.1 |
| 70–76 | 10 | 8.8 | 73.1 | 6.3 | 54.5 | 65.5 | 68.0 | 74.5 | 122.3 |
| 77–83 | 11 | 9.6 | 80.7 | 5.3 | 60.9 | 62.3 | 80.6 | 90.7 | 110.7 |
| 84–90 | 10 | 8.8 | 86.2 | 11.1 | 47.7 | 54.5 | 90.5 | 99.5 | 147.5 |