Skip to main content

Table 3 The average values for individual nitrogen use efficiency, nitrogen loss, 3-day moving average dry matter intake, and other predictors in each diet group1

From: Predicting nitrogen use efficiency, nitrogen loss and dry matter intake of individual dairy cows in late lactation by including mid-infrared spectra of milk samples

Trial

Group

C:R

n

NUE, %

NL, kg

DMI_a, kg

MY, kg

Protein, %

DIM, d

DIP, d

T1

 

56:44

600

26.4

0.51

25.2

32.5

3.4%

253.3

136.1

T2

1

61:39

34

21.0

0.54

24.8

24.1

3.7%

267.2

144.3

2

59:41

34

23.8

0.45

21.7

24.0

3.7%

318.3

172.5

3

56:44

36

26.1

0.45

22.1

27.1

3.6%

310.5

136.3

  1. 1C:R ratio of concentrate to roughage on a dry matter basis, NUE nitrogen use efficiency, NL nitrogen loss, DMI_a 3-d moving average of dry matter intake, MY milk yield, DIM days in milk, DIP days in pregnancy
Back to article page

Journal of Animal Science and Biotechnology

ISSN: 2049-1891