Group

Intercept

Slope

R²

P Level

Control

All cows

1.146

−0.0008

0.096

<0.001

First lactation

0.968

−0.0002

0.149

<0.001

Mature cows

1.122

−0.0010

0.139

<0.001

Test

All cows

1.199

−0.0009

0.105

<0.001

First lactation

1.001

-00024

0.069

<0.001

Mature cows

1.273

−0.0010

0.149

<0.001