Item

Mean

Standard deviation

Minimum

Maximum

Diet composition, % DM

DM percentage

88.6

0.87

87.5

90.2

Ash

8.1

0.99

6.9

10.7

CP

16.5

2.17

14.5

18.5

NDF

39.8

9.66

22.8

59.0

EE

3.8

1.1

1.9

5.7

Starch

18.4

13.02

1.5

41.6

ME

11

0.69

9

13

Animal

Body weight, kg

44

4.7

32

61

DMI, kg/d

1.734

0.225

1.231

2.287

Milk yield, kg/d

1.86

0.31

0.81

2.61

Energy measurements, kJ/kg BW0.75

Gross energy

1751

226.0

1168

2414

Fecal energy

493

126.6

249

794

Urinary energy

47

15.9

24

158

Methane

86

26.7

13

177

ME intake

1124

153.7

784

1619

Heat production

704

93.5

522

975

Milk energy

392

65.5

167

589

Retained energy

28

57.6

−153

197