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Table 5 Mineral analysis of grass and hay premises 2

From: White muscle disease in foals: focus on selenium soil content. A case series

  Grass Hay Reference values
Co (μg/kg DM) 89 88 >100
Na (g/kg DM) 1.6 2.7 3.0–30
Mg (g/kg DM) 2 2.2 3.9–5.0
Se (μg/kg DM) 29 44 100–1000
Fe (mg/kg DM) 117 175 50–100
Ca (g/kg DM) 4.1 3.0 2–7
P (g/kg DM) 3 3.0 2–5
K (g/kg DM) 17 10 > 4.3
Cu (mg/kg DM) 8.5 7.8 7.0–10
Zn (mg/kg DM) 46 39 40–100
Mn (mg/kg DM) 223 348 > 40