Group | Intercept | Slope | R2 | P Level |
All cows | 0.253 | 0.818 | 0.587 | <0.001 |
First lactation | 0.288 | 0.756 | 0.489 | <0.001 |
Mature cows | 0.270 | 0.814 | 0.582 | <0.001 |