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. Author manuscript; available in PMC: 2025 Jun 1.
Published in final edited form as: J Am Vet Med Assoc. 2025 Mar 27;263(Suppl 1):S65–S70. doi: 10.2460/javma.24.12.0801

Table 5—

Nutrient requirements of beef cattle.24,26

Nutrient Gestating beef cow (mg/kg dry matter intake) Stressed calf (weaned) (mg/kg dry matter intake)

Copper 10.00 10.00–15.00
Zinc 30.00
Iron 50.00 100.00–200.00
Manganese 40.00 40.00–70.00
Molybdenum No values published
Selenium 0.10 0.1–0.20
Cobalt 0.15 0.1–0.20