Parameter

Milk

Fat

Protein

Effect size, kg/cow/day

0.88

0.043

0.033

Standard error

0.14

0.01

0.01

Confidence interval (95%)

0.60 - 1.17

0.02 - 0.05

0.02 - 0.05

Prediction interval

−1.05 - 2.81

−0.04 - 0.11

−0.05 - 0.11

P value

<0.001

<0.001

<0.001