Treatment

Variable

Control (C)

Test (T)

P-value

Dry matter intake, kg

25.64

25.05

0.295

Milk yield, kg

32.81

34.06

0.151

Milk/intake, kg/kg

1.28

1.36

0.020

ECM^a yield, kg

37.86

41.04

0.008

ECM^a/intake, kg/kg

1.48

1.64

0.003