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Table 7 Minerals availability vis-à-vis requirement for dairy cow yielding 10 kg milk/day (4% fat)

From: Study on minerals status of dairy cows and their supplementation through area specific mineral mixture in the state of Jharkhand

Attributes

DMI

(kg/d)

Ca

(g)

P

(g)

Mg

(g)

S

(g)

Cu

(mg)

Zn

(mg)

Co

(mg)

Mineral requirement

11.50

48.10

30.80

23

23

115

920

5.75

Mineral availability

 Wheat bran (Triticum aestivum)

2.5

7.0

2.25

2.75

2.0

6.70

25.53

0.45

 Rice straw (Oryza sativa)

4.0

12.8

3.20

4.64

4.4

11.96

107.12

1.44

 Gram flour (Cicer arietinum)

1.0

1.20

3.70

1.50

1.90

7.68

35.60

0.29

 Local grasses

2.0

12.80

7.20

5.60

3.60

21.74

87.01

0.72

 Mustard cake (Brassica campestris)

1.0

6.25

10.0

2.60

9.25

7.56

48.89

0.39

 Gram chunni (Cicer arietinum)

1.0

4.40

2.80

2.40

1.20

7.81

33.48

0.27

 Daily mineral availability from traditional feeding

11.50

44.45

29.15

19.5

22.35

63.45

337.63

3.56

 Degree of deficiency (%)

 

7.58

5.35

3.50

2.60

44.82

63.30

38.08