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Mineral requirements of dairy cows


Rehutaulukot etusivu » Feed tables in English » Nutrient requirements » Ruminants » Mineral requirements of dairy cows

The requirements are presented for a cow with a live weight of 550  kg.

 

Milk production

Ca  

P     

Mg (inside)

Mg (grazing) 3)

Na

K

kg

g/day

0

40 1)

21 2)

14

18

12

68

10

48

28

16

21

17

80

20

76

48

23

30

24

95

30

104

67

29

39

31

109

40

132

87

36

47

38

123

50

160

106

43

56

45

138

60

188

126

49

65

52

152

1) For pregnant heifers, add 10 % during gestation months 8 and 9
2) Corresponds to the requirement at the gestation month 9 
3) To prevent grass tetany, additional Mg (20-30 g/day) can be given during the 3-4 first weeks of grazing.

 


News:
Feeding recommendations are now available for suckler cows here!

Presentation of the Finnish Feed Evaluation system at NFSC 2017