Table 4.
Description of the Lacaune dairy sheep dataset used for genetic evaluation
| Trait | Mean ± SD | Number of | |||
|---|---|---|---|---|---|
| Ewes | Lactationsa | Individuals in the pedigree file | Rams in the validation populationb | ||
| MY (L) | 292.91 ± 85.46 | 1,503,148 | 3,575,614 | 1,651,901 | 264 |
| FY (g) | 213.14 ± 51.56 | 1,124,636 | 1,841,351 | 1,336,060 | 263 |
| PY (g) | 169.72 ± 39.33 | ||||
| FC (g/L) | 66.54 ± 8.51 | ||||
| PC (g/L) | 52.89 ± 4.63 | ||||
| LSCS | 3.12 ± 1.56 | 769,929 | 1,321,411 | 1,031,375 | 263 |
| TA | 7.15 ± 1.06 | 349,134 | 349,134 | 349,134 | 250 |
| UC | 5.04 ± 1.26 | 349,132 | 349,132 | 653,908 | 249 |
| UD | 6.42 ± 0.70 | 349,132 | 349,132 | 653,907 | 253 |
Abbreviations MY Milk Yield, FY Fat Yield, PY Protein Yield, FC Fat Content, PC Protein Content, LSCS Somatic Cell Score, TA Teat Angle, UC Udder Cleft, UD Udder Depth
aMY, FY, PY, FC, PC and LSCS were measured during the first three lactations (lactation average); TA, UC, and UD were measured once during the first lactation
bRams born in 2015 with Estimated Breeding Values (EBVs) and reference performances, i.e. Daughter Yield Deviation (DYD)