Group | Intercept | Slope | R2 | P Level |
All cows | 2.54 | 0.949 | 0.793 | <0.001 |
First lactation | 3.83 | 0.890 | 0.721 | <0.001 |
Mature cows | 2.52 | 0.953 | 0.798 | <0.001 |