Table 1.
Descriptive statistics of the evaluated traits, including number of records, mean, standard deviation, minimum and maximum number of observations
| Traitsa | N | Mean | SD | Min | Max |
|---|---|---|---|---|---|
| MY (kg) | 21,194 | 9074 | 1732.22 | 1140 | 17,542 |
| FY (kg) | 21,194 | 362 | 73.85 | 39 | 919 |
| PY (kg) | 21,194 | 295.50 | 54.58 | 39 | 603 |
| AFS_H (day) | 33,610 | 449.20 | 49.16 | 274 | 639 |
| NS_H | 33,610 | 1.59 | 0.93 | 1 | 7 |
| NRR_H | 33,610 | 0.69 | 0.46 | 0 | 1 |
| FSTC_H (day) | 33,610 | 19.32 | 33.37 | 0 | 205 |
| CTFS_C (day) | 19,338 | 79.88 | 24.11 | 20 | 243 |
| NS_C | 19,338 | 1.98 | 1.25 | 1 | 10 |
| NRR_C | 19,338 | 0.55 | 0.50 | 0 | 1 |
| FSTC_C (day) | 19,338 | 32.75 | 43.80 | 0 | 206 |
a MY milk yield, FY fat yield, PY protein yield, AFS_H age at first service for heifers, NS_H number of service for heifers, NRR_H 56-day non-return rate for heifers, FSTC_H first service to conception for heifers, CTFS_C conception to first service for cows, NS_C number of service for cows, NRR_C 56-day non-return rate for cows, FSTC_C first service to conception for cows