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Table 8 Mineral requirements for dairy cows

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

Particular Calcium (Ca) Phosphorus (P)
Maintenance (g) 16 11
Milk yield (g/kg) 3.21 1.98
Mg and S : 0.20% of DM intake Copper : 10 ppm Manganese : 40 ppm
Na : 0.18% of DM intake Iron : 50 ppm Cobalt : 0.50 ppm
K : 0.90% of DM intake Zinc : 80 ppm Selenium : 0.30 ppm
Cl : 0.25% of DM intake Iodine : 0.60 ppm Chromium: 0.5 ppm