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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