HS

LS

SEM

P-value

Nitrogen balance, g/d

N_intake^a

61.1

59.6

1.19

NS

N_feces

14.3

15.2

0.57

NS

N_urine

21.7

26.8

0.91

0.01

N_milk

14.2

13.2

0.32

NS

N recover

10.9

4.4

1.28

0.01