Trait | Multi-breed | Multiple-trait | Within-breed | ||
---|---|---|---|---|---|
ρ = 0.99 | ρ estimated | ρ = 0 | |||
Milk yield | 0.43 | 0.43 | 0.42 | 0.43 | 0.43 |
Fat yield | 0.44 | 0.45 | 0.46 | 0.46 | 0.46 |
Protein yield | 0.33 | 0.36 | 0.35 | 0.35 | 0.36 |
Fat content | 0.61 | 0.59 | 0.60 | 0.60 | 0.63 |
Protein content | 0.70 | 0.68 | 0.70 | 0.70 | 0.69 |
Somatic cell score | 0.47 | 0.47 | 0.47 | 0.47 | 0.47 |
Udder floor position | 0.59 | 0.59 | 0.59 | 0.59 | 0.59 |
Udder shape | 0.55 | 0.56 | 0.56 | 0.56 | 0.56 |
Rear udder attachment | 0.64 | 0.66 | 0.66 | 0.67 | 0.66 |
Fore udder | 0.50 | 0.49 | 0.50 | 0.51 | 0.51 |
Teat angle | 0.61 | 0.60 | 0.58 | 0.57 | 0.59 |