Milk

cow⁻¹∙day⁻¹

Income⁽¹⁾

(US$ cow⁻¹∙day⁻¹

Feeding cost without oils

(% produced milk)

Feeding cost including oils

(% produced milk)

15

4.5

109.83

134.89

20

6

82.37

101.17

25

7.5

65.90

80.94

30

9

54.91

67.45

35

10.5

47.07

57.81