Breeds

SEM¹

P-value

Guirras

Manchegas

LW², kg

58.0

60.2

1.16

0.981

DMI³, g/d

883.3

984.8

45.23

0.287

Energy balance, kJ/kg^0.75 BW

GEI⁴

803

854

25.3

0.34

E⁵ feces

226

260

28.8

0.56

E urine

41

29

5.5

0.31

E methane

50

46

3.5

0.66

ME⁶

487

518

13.4

0.260

RE⁷_body

99

124

14.1

0.42

RE_protein

48

70

7.4

0.11

RE_fat

52

54

12.6

0.98

ME gain

132

165

18.8

0.42

ME maintenance

354

353

8.3

0.95

km⁸

0.77

0.70

0.021

0.099