Control

HB

Milk yield, g/d

1102 ± 20

1090 ± 18

Protein before

4.0 ± 0.3

4.2 ± 0.2

Protein after

4.9 ± 0.3

5.5 ± 0.4

% change

1.4 ± 0.3

1.3 ± 0.1

Fat before

5.1 ± 0.5

5.0 ± 0.2

Fat after

5.8 ± 0.6

6.1 ± 0.3

% change

1.0 ± 0.05

1.1 ± 0.06

TS before

16.0 ± 2.2

16.0 ± 2.6

TS after

15.8 ± 1.0

16.2 ± 0.09

% change

0.2 ± 0.01

0.2 ± 0.02